Merge branch 'master' into filerstore-tikv

2024-01-19 02:48:24 +00:00 · 2021-08-30 15:52:54 +08:00 · 2021-08-30 15:52:54 +08:00 · e5f9ff983d
parent c1dc5ab4ac 44d0ac95f6
commit e5f9ff983d
66 changed files with 4925 additions and 3798 deletions
--- a/.github/workflows/binary_test.yml
+++ b/.github/workflows/binary_test.yml
@ -0,0 +1,50 @@
+name: "go: test building cross-platform binary"
+
+on:
+  pull_request:
+  workflow_dispatch: []
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [linux, windows, darwin, freebsd, netbsd, openbsd]
+        goarch: [amd64, arm, arm64, 386]
+        exclude:
+          - goarch: arm
+            goos: darwin
+          - goarch: 386
+            goos: darwin
+          - goarch: arm
+            goos: windows
+          - goarch: arm64
+            goos: windows
+
+    concurrency:
+      group: ${{ github.head_ref }}/binary_test/${{ matrix.goos }}/${{ matrix.goarch }}
+      cancel-in-progress: true
+
+    steps:
+
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
+        with:
+          go-version: ^1.13
+        id: go
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Get dependencies
+        run: |
+          cd weed; go get -v -t -d ./...
+          if [ -f Gopkg.toml ]; then
+              curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
+              dep ensure
+          fi
+
+      - name: Build
+        run: cd weed; GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -v .
--- a/.github/workflows/cleanup.yml
+++ b/.github/workflows/cleanup.yml
@ -1,4 +1,4 @@
-name: Cleanup
+name: "chore: cleanup"

 on:
  push:
--- a/.github/workflows/container_latest.yml
+++ b/.github/workflows/container_latest.yml
@ -1,4 +1,5 @@
-name: Build Latest Containers
+name: "docker: build latest containers"
+
 on:
  push:
    branches:
@ -8,6 +9,7 @@ on:
 jobs:
  build-latest:
    runs-on: [ubuntu-latest]
+
    steps:
      -
        name: Checkout
@ -15,7 +17,7 @@ jobs:
      -
        name: Docker meta
        id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v2
+        uses: docker/metadata-action@v3
        with:
          images: |
            chrislusf/seaweedfs
@ -55,12 +57,13 @@ jobs:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ./docker/Dockerfile
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm, linux/arm64, linux/386
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}

  build-dev:
    runs-on: [ubuntu-latest]
+
    steps:
      -
        name: Checkout
@ -68,7 +71,7 @@ jobs:
      -
        name: Docker meta
        id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v2
+        uses: docker/metadata-action@v3
        with:
          images: |
            chrislusf/seaweedfs
@ -109,6 +112,6 @@ jobs:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ./docker/Dockerfile.go_build
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm, linux/arm64, linux/386
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
--- a/.github/workflows/container_release.yml
+++ b/.github/workflows/container_release.yml
@ -1,4 +1,5 @@
-name: Build Release Containers
+name: "docker: build release containers"
+
 on:
  push:
    tags:
@ -8,6 +9,7 @@ on:
 jobs:
  build-default:
    runs-on: [ubuntu-latest]
+
    steps:
      -
        name: Checkout
@ -15,7 +17,7 @@ jobs:
      -
        name: Docker meta
        id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v2
+        uses: docker/metadata-action@v3
        with:
          images: |
            chrislusf/seaweedfs
@ -58,11 +60,12 @@ jobs:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ./docker/Dockerfile.go_build
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm, linux/arm64, linux/386
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
  build-large:
    runs-on: [ubuntu-latest]
+
    steps:
      -
        name: Checkout
@ -70,7 +73,7 @@ jobs:
      -
        name: Docker meta
        id: docker_meta
-        uses: crazy-max/ghaction-docker-meta@v2
+        uses: docker/metadata-action@v3
        with:
          images: |
            chrislusf/seaweedfs
@ -113,6 +116,6 @@ jobs:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
          file: ./docker/Dockerfile.go_build_large
-          platforms: linux/amd64
+          platforms: linux/amd64, linux/arm, linux/arm64, linux/386
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
--- a/.github/workflows/container_test.yml
+++ b/.github/workflows/container_test.yml
@ -0,0 +1,53 @@
+name: "docker: test building container images"
+
+on:
+  pull_request:
+  workflow_dispatch: []
+
+concurrency:
+  group: ${{ github.head_ref }}/container_test
+  cancel-in-progress: true
+
+jobs:
+  build-test:
+    runs-on: [ubuntu-latest]
+    strategy:
+      matrix:
+        platform: [ linux ]
+        arch: [ amd64, arm, arm64, 386 ]
+
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            chrislusf/seaweedfs
+            ghcr.io/chrislusf/seaweedfs
+          tags: |
+            type=raw,value=latest
+          labels: |
+            org.opencontainers.image.title=seaweedfs
+            org.opencontainers.image.vendor=Chris Lu
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: "--debug"
+      -
+        name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./docker
+          push: false
+          file: ./docker/Dockerfile
+          platforms: ${{ matrix.platform }}/${{ matrix.arch }}
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@ -1,4 +1,4 @@
-name: Go
+name: "go: test building binary"

 on:
  push:
@ -6,6 +6,10 @@ on:
  pull_request:
    branches: [ master ]

+concurrency:
+  group: ${{ github.head_ref }}/go
+  cancel-in-progress: true
+
 jobs:

  build:
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -1,4 +1,4 @@
-name: Build Dev Binaries
+name: "go: build dev binaries"

 on:
  push:
@ -11,17 +11,17 @@ jobs:
    runs-on: ubuntu-latest
    strategy:
      matrix:
-        goos: [linux, windows, darwin, freebsd, netbsd, openbsd ]
+        goos: [linux, windows, darwin, freebsd, netbsd, openbsd]
        goarch: [amd64, arm, arm64, 386]
        exclude:
          - goarch: arm
            goos: darwin
          - goarch: 386
            goos: darwin
-          - goarch: arm64
-            goos: windows
          - goarch: arm
            goos: windows
+          - goarch: arm64
+            goos: windows

    steps:

@ -37,9 +37,8 @@ jobs:
        run: echo BUILD_TIME=$(date -u +%Y%m%d-%H%M) >> ${GITHUB_ENV}

      - name: Go Release Binaries
-        uses: wangyoucao577/go-release-action@v1.17
+        uses: wangyoucao577/go-release-action@v1.20
        with:
-          goversion: 1.17
          github_token: ${{ secrets.GITHUB_TOKEN }}
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
@ -54,9 +53,8 @@ jobs:
          asset_name: "weed-large-disk-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"

      - name: Go Release Binaries
-        uses: wangyoucao577/go-release-action@v1.17
+        uses: wangyoucao577/go-release-action@v1.20
        with:
-          goversion: 1.17
          github_token: ${{ secrets.GITHUB_TOKEN }}
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
--- a/.github/workflows/release_binaries.yml
+++ b/.github/workflows/release_binaries.yml
@ -1,6 +1,6 @@
 # This is a basic workflow to help you get started with Actions

-name: Build Versioned Releases
+name: "go: build versioned binaries"

 on:
  release:
@ -15,22 +15,25 @@ jobs:
    runs-on: ubuntu-latest
    strategy:
      matrix:
-        goos: [linux, windows, darwin, freebsd ]
-        goarch: [amd64, arm]
+        goos: [linux, windows, darwin, freebsd, netbsd, openbsd]
+        goarch: [amd64, arm, arm64, 386]
        exclude:
          - goarch: arm
            goos: darwin
+          - goarch: 386
+            goos: darwin
          - goarch: arm
            goos: windows
+          - goarch: arm64
+            goos: windows

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
      - name: Go Release Binaries
-        uses: wangyoucao577/go-release-action@v1.19
+        uses: wangyoucao577/go-release-action@v1.20
        with:
-          goversion: 1.17
          github_token: ${{ secrets.GITHUB_TOKEN }}
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
@ -43,9 +46,8 @@ jobs:
          binary_name: weed
          asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}"
      - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@v1.19
+        uses: wangyoucao577/go-release-action@v1.20
        with:
-          goversion: 1.17
          github_token: ${{ secrets.GITHUB_TOKEN }}
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@ -8,7 +8,9 @@ RUN \
         elif [ $(uname -m) == "x86_64" ] && [ $(getconf LONG_BIT) == "32" ]; then echo "386"; \
         elif [ $(uname -m) == "aarch64" ]; then echo "arm64"; \
         elif [ $(uname -m) == "armv7l" ]; then echo "arm"; \
-         elif [ $(uname -m) == "armv6l" ]; then echo "arm"; fi;) && \
+         elif [ $(uname -m) == "armv6l" ]; then echo "arm"; \
+         elif [ $(uname -m) == "s390x" ]; then echo "s390x"; \
+         elif [ $(uname -m) == "ppc64le" ]; then echo "ppc64le"; fi;) && \
    echo "Building for $ARCH" 1>&2 && \
    SUPERCRONIC_SHA1SUM=$(echo $ARCH | sed 's/386/e0126b0102b9f388ecd55714358e3ad60d0cebdb/g' | sed 's/amd64/5ddf8ea26b56d4a7ff6faecdd8966610d5cb9d85/g' | sed 's/arm64/e2714c43e7781bf1579c85aa61259245f56dbba1/g' | sed 's/arm/47481c3341bc3a1ae91a728e0cc63c8e6d3791ad/g') && \
    SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.9/supercronic-linux-$ARCH && \
--- a/go.mod
+++ b/go.mod
@ -19,6 +19,7 @@ require (
 	github.com/cespare/xxhash v1.1.0
 	github.com/cespare/xxhash/v2 v2.1.1 // indirect
 	github.com/chrislusf/raft v1.0.7
+	github.com/colinmarc/hdfs/v2 v2.2.0
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.0.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@ -58,9 +59,10 @@ require (
 	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
 	github.com/hashicorp/go-multierror v1.0.0 // indirect
-	github.com/hashicorp/go-uuid v1.0.1 // indirect
+	github.com/hashicorp/go-uuid v1.0.2 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jcmturner/gofork v1.0.0 // indirect
+	github.com/jcmturner/gokrb5/v8 v8.4.1
 	github.com/jinzhu/copier v0.2.8
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.11
@ -118,12 +120,11 @@ require (
 	github.com/tikv/client-go v0.0.0-20210412055529-d811a08025fa
 	github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210824090536-16d902a3c7e5 // indirect
 	github.com/tsuna/gohbase v0.0.0-20201125011725-348991136365
+	github.com/tylertreat/BoomFilters v0.0.0-20210315201527-1a82519a3e43
 	github.com/valyala/bytebufferpool v1.0.0
 	github.com/viant/assertly v0.5.4 // indirect
 	github.com/viant/ptrie v0.3.0
 	github.com/viant/toolbox v0.33.2 // indirect
-	github.com/willf/bitset v1.1.10 // indirect
-	github.com/willf/bloom v2.0.3+incompatible
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.0.2 // indirect
 	github.com/xdg-go/stringprep v1.0.2 // indirect
@ -166,6 +167,14 @@ require (
 	modernc.org/token v1.0.0 // indirect
 )

+require (
+	github.com/d4l3k/messagediff v1.2.1 // indirect
+	github.com/jcmturner/aescts/v2 v2.0.0 // indirect
+	github.com/jcmturner/dnsutils/v2 v2.0.0 // indirect
+	github.com/jcmturner/goidentity/v6 v6.0.1 // indirect
+	github.com/jcmturner/rpc/v2 v2.0.2 // indirect
+)
+
 // replace github.com/seaweedfs/fuse => /Users/chris/go/src/github.com/seaweedfs/fuse
 // replace github.com/chrislusf/raft => /Users/chris/go/src/github.com/chrislusf/raft

--- a/go.sum
+++ b/go.sum
@ -169,6 +169,8 @@ github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGX
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
+github.com/colinmarc/hdfs/v2 v2.2.0 h1:4AaIlTq+/sWmeqYhI0dX8bD4YrMQM990tRjm636FkGM=
+github.com/colinmarc/hdfs/v2 v2.2.0/go.mod h1:Wss6n3mtaZyRwWaqtSH+6ge01qT0rw9dJJmvoUnIQ/E=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.25+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@ -191,6 +193,8 @@ github.com/cznic/parser v0.0.0-20160622100904-31edd927e5b1/go.mod h1:2B43mz36vGZ
 github.com/cznic/sortutil v0.0.0-20181122101858-f5f958428db8/go.mod h1:q2w6Bg5jeox1B+QkJ6Wp/+Vn0G/bo3f1uY7Fn3vivIQ=
 github.com/cznic/strutil v0.0.0-20171016134553-529a34b1c186/go.mod h1:AHHPPPXTw0h6pVabbcbyGRK1DckRn7r/STdZEeIDzZc=
 github.com/cznic/y v0.0.0-20170802143616-045f81c6662a/go.mod h1:1rk5VM7oSnA4vjp+hrLQ3HWHa+Y4yPCa3/CsJrcNnvs=
+github.com/d4l3k/messagediff v1.2.1 h1:ZcAIMYsUg0EAp9X+tt8/enBE/Q8Yd5kzPynLyKptt9U=
+github.com/d4l3k/messagediff v1.2.1/go.mod h1:Oozbb1TVXFac9FtSIxHBMnBCq2qeH/2KkEQxENCrlLo=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@ -363,6 +367,7 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.3 h1:GV+pQPG/EUUbkh47niozDcADz6go/dUwhVzdUQHIVRw=
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/protobuf v0.0.0-20180814211427-aa810b61a9c7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@ -434,6 +439,10 @@ github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
 github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
 github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ=
+github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
+github.com/gorilla/sessions v1.2.0 h1:S7P+1Hm5V/AT9cjEcUD5uDaQSX0OE577aCXgoaKpYbQ=
+github.com/gorilla/sessions v1.2.0/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
@ -466,8 +475,9 @@ github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa
 github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
 github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
-github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1BE=
 github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/go-uuid v1.0.2 h1:cfejS+Tpcp13yd5nYHWDI6qVCny6wyX2Mt5SGur2IGE=
+github.com/hashicorp/go-uuid v1.0.2/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@ -484,10 +494,20 @@ github.com/hypnoglow/gormzap v0.3.0/go.mod h1:5Wom8B7Jl2oK0Im9hs6KQ+Kl92w4Y7gKCr
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
+github.com/jcmturner/aescts/v2 v2.0.0 h1:9YKLH6ey7H4eDBXW8khjYslgyqG2xZikXP0EQFKrle8=
+github.com/jcmturner/aescts/v2 v2.0.0/go.mod h1:AiaICIRyfYg35RUkr8yESTqvSy7csK90qZ5xfvvsoNs=
+github.com/jcmturner/dnsutils/v2 v2.0.0 h1:lltnkeZGL0wILNvrNiVCR6Ro5PGU/SeBvVO/8c/iPbo=
+github.com/jcmturner/dnsutils/v2 v2.0.0/go.mod h1:b0TnjGOvI/n42bZa+hmXL+kFJZsFT7G4t3HTlQ184QM=
 github.com/jcmturner/gofork v0.0.0-20190328161633-dc7c13fece03/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o=
 github.com/jcmturner/gofork v1.0.0 h1:J7uCkflzTEhUZ64xqKnkDxq3kzc96ajM1Gli5ktUem8=
 github.com/jcmturner/gofork v1.0.0/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/jcmturner/goidentity/v6 v6.0.1 h1:VKnZd2oEIMorCTsFBnJWbExfNN7yZr3EhJAxwOkZg6o=
+github.com/jcmturner/goidentity/v6 v6.0.1/go.mod h1:X1YW3bgtvwAXju7V3LCIMpY0Gbxyjn/mY9zx4tFonSg=
+github.com/jcmturner/gokrb5/v8 v8.4.1 h1:IGSJfqBzMS6TA0oJ7DxXdyzPK563QHa8T2IqER2ggyQ=
+github.com/jcmturner/gokrb5/v8 v8.4.1/go.mod h1:T1hnNppQsBtxW0tCHMHTkAt8n/sABdzZgZdoFrZaZNM=
+github.com/jcmturner/rpc/v2 v2.0.2 h1:gMB4IwRXYsWw4Bc6o/az2HJgFUA1ffSh90i26ZJ6Xl0=
+github.com/jcmturner/rpc/v2 v2.0.2/go.mod h1:VUJYCIDm3PVOEHw8sgt091/20OJjskO/YJki3ELg/Hc=
 github.com/jinzhu/copier v0.2.8 h1:N8MbL5niMwE3P4dOwurJixz5rMkKfujmMRFmAanSzWE=
 github.com/jinzhu/copier v0.2.8/go.mod h1:24xnZezI2Yqac9J61UC6/dG/k76ttpq0DdJI3QmUvro=
 github.com/jinzhu/gorm v1.9.12/go.mod h1:vhTjlKSJUTWNtcbQtrMBFCxy7eXTzeCAzfL5fBZT/Qs=
@ -675,6 +695,7 @@ github.com/openzipkin/zipkin-go v0.2.1/go.mod h1:NaW6tEwdmWMaCDZzg8sh+IBNOxHMPnh
 github.com/openzipkin/zipkin-go v0.2.2/go.mod h1:NaW6tEwdmWMaCDZzg8sh+IBNOxHMPnhQw8ySjnjRyN4=
 github.com/pact-foundation/pact-go v1.0.4/go.mod h1:uExwJY4kCzNPcHRj+hCR/HBbOOIwwtUjcrb0b5/5kLM=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
+github.com/pborman/getopt v0.0.0-20180729010549-6fdd0a2c7117/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
 github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pelletier/go-toml v1.3.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo=
@ -906,6 +927,8 @@ github.com/tsuna/gohbase v0.0.0-20201125011725-348991136365 h1:6iRwZdrFUzbcVYZwa
 github.com/tsuna/gohbase v0.0.0-20201125011725-348991136365/go.mod h1:zj0GJHGvyf1ed3Jm/Tb4830c/ZKDq+YoLsCt2rGQuT0=
 github.com/twmb/murmur3 v1.1.3 h1:D83U0XYKcHRYwYIpBKf3Pks91Z0Byda/9SJ8B6EMRcA=
 github.com/twmb/murmur3 v1.1.3/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=
+github.com/tylertreat/BoomFilters v0.0.0-20210315201527-1a82519a3e43 h1:QEePdg0ty2r0t1+qwfZmQ4OOl/MB2UXIeJSpIZv56lg=
+github.com/tylertreat/BoomFilters v0.0.0-20210315201527-1a82519a3e43/go.mod h1:OYRfF6eb5wY9VRFkXJH8FFBi3plw2v+giaIu7P054pM=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go v1.1.5-pre/go.mod h1:FwP/aQVg39TXzItUBMwnWp9T9gPQnXw4Poh4/oBQZ/0=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
@ -1026,6 +1049,7 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
--- a/k8s/helm_charts2/Chart.yaml
+++ b/k8s/helm_charts2/Chart.yaml
@ -1,5 +1,5 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "2.64"
-version: "2.64"
+appVersion: "2.65"
+version: "2.65"
--- a/other/java/client/src/main/java/seaweedfs/client/FilerClient.java
+++ b/other/java/client/src/main/java/seaweedfs/client/FilerClient.java
@ -72,10 +72,6 @@ public class FilerClient extends FilerGrpcClient {
            }
            return entry;
        } else {
-            String fileId = entry.getChunks(0).getFileId();
-            if (fileId != null && fileId.length() != 0) {
-                return entry;
-            }
            FilerProto.Entry.Builder entryBuilder = entry.toBuilder();
            entryBuilder.clearChunks();
            long fileSize = 0;
--- a/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
+++ b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
@ -64,10 +64,11 @@ public class SeaweedRead {
                startOffset += gap;
            }

-            FilerProto.Locations locations = knownLocations.get(parseVolumeId(chunkView.fileId));
+            String volumeId = parseVolumeId(chunkView.fileId);
+            FilerProto.Locations locations = knownLocations.get(volumeId);
            if (locations == null || locations.getLocationsCount() == 0) {
                LOG.error("failed to locate {}", chunkView.fileId);
-                // log here!
+                volumeIdCache.clearLocations(volumeId);
                return 0;
            }

--- a/other/java/client/src/main/java/seaweedfs/client/VolumeIdCache.java
+++ b/other/java/client/src/main/java/seaweedfs/client/VolumeIdCache.java
@ -26,6 +26,13 @@ public class VolumeIdCache {
        return this.cache.getIfPresent(volumeId);
    }

+    public void clearLocations(String volumeId) {
+        if (this.cache == null) {
+            return;
+        }
+        this.cache.invalidate(volumeId);
+    }
+
    public void setLocations(String volumeId, FilerProto.Locations locations) {
        if (this.cache == null) {
            return;
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@ -305,6 +305,7 @@ message GetFilerConfigurationResponse {
    string metrics_address = 9;
    int32 metrics_interval_sec = 10;
    string version = 11;
+    string cluster_id = 12;
 }

 message SubscribeMetadataRequest {
@ -336,6 +337,7 @@ message KeepConnectedResponse {
 message LocateBrokerRequest {
    string resource = 1;
 }
+
 message LocateBrokerResponse {
    bool found = 1;
    // if found, send the exact address
@ -386,49 +388,6 @@ message FilerConf {
 /////////////////////////
 // Remote Storage related
 /////////////////////////
-message RemoteConf {
-    string type = 1;
-    string name = 2;
-    string s3_access_key = 4;
-    string s3_secret_key = 5;
-    string s3_region = 6;
-    string s3_endpoint = 7;
-    string s3_storage_class = 8;
-    bool s3_force_path_style = 9;
-
-    string gcs_google_application_credentials = 10;
-
-    string azure_account_name = 15;
-    string azure_account_key = 16;
-
-    string backblaze_key_id = 20;
-    string backblaze_application_key = 21;
-    string backblaze_endpoint = 22;
-
-    string aliyun_access_key = 25;
-    string aliyun_secret_key = 26;
-    string aliyun_endpoint = 27;
-    string aliyun_region = 28;
-
-    string tencent_secret_id = 30;
-    string tencent_secret_key = 31;
-    string tencent_endpoint = 32;
-
-    string baidu_access_key = 35;
-    string baidu_secret_key = 36;
-    string baidu_endpoint = 37;
-    string baidu_region = 38;
-
-}
-
-message RemoteStorageMapping {
-    map<string,RemoteStorageLocation> mappings = 1;
-}
-message RemoteStorageLocation {
-    string name = 1;
-    string bucket = 2;
-    string path = 3;
-}
 message DownloadToLocalRequest {
    string directory = 1;
    string name = 2;
--- a/other/metrics/grafana_seaweedfs.json
+++ b/other/metrics/grafana_seaweedfs.json
--- a/weed/command/filer_remote_sync.go
+++ b/weed/command/filer_remote_sync.go
@ -7,6 +7,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/replication/source"
 	"github.com/chrislusf/seaweedfs/weed/security"
@ -72,13 +73,6 @@ func runFilerRemoteSynchronize(cmd *Command, args []string) bool {
 	dir := *remoteSyncOptions.dir
 	filerAddress := *remoteSyncOptions.filerAddress

-	// read filer remote storage mount mappings
-	_, _, remoteStorageMountLocation, storageConf, detectErr := filer.DetectMountInfo(grpcDialOption, filerAddress, dir)
-	if detectErr != nil {
-		fmt.Printf("read mount info: %v", detectErr)
-		return false
-	}
-
 	filerSource := &source.FilerSource{}
 	filerSource.DoInitialize(
 		filerAddress,
@ -89,7 +83,7 @@ func runFilerRemoteSynchronize(cmd *Command, args []string) bool {

 	fmt.Printf("synchronize %s to remote storage...\n", dir)
 	util.RetryForever("filer.remote.sync "+dir, func() error {
-		return followUpdatesAndUploadToRemote(&remoteSyncOptions, filerSource, dir, storageConf, remoteStorageMountLocation)
+		return followUpdatesAndUploadToRemote(&remoteSyncOptions, filerSource, dir)
 	}, func(err error) bool {
 		if err != nil {
 			glog.Errorf("synchronize %s: %v", dir, err)
@ -100,7 +94,13 @@ func runFilerRemoteSynchronize(cmd *Command, args []string) bool {
 	return true
 }

-func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *source.FilerSource, mountedDir string, remoteStorage *filer_pb.RemoteConf, remoteStorageMountLocation *filer_pb.RemoteStorageLocation) error {
+func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *source.FilerSource, mountedDir string) error {
+
+	// read filer remote storage mount mappings
+	_, _, remoteStorageMountLocation, remoteStorage, detectErr := filer.DetectMountInfo(option.grpcDialOption, *option.filerAddress, mountedDir)
+	if detectErr != nil {
+		return fmt.Errorf("read mount info: %v", detectErr)
+	}

 	dirHash := util.HashStringToLong(mountedDir)

@ -115,11 +115,15 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour
 		}

 		lastOffsetTsNs, err := getOffset(option.grpcDialOption, *option.filerAddress, RemoteSyncKeyPrefix, int32(dirHash))
-		if err == nil && mountedDirEntry.Attributes.Crtime < lastOffsetTsNs/1000000 {
-			lastOffsetTs = time.Unix(0, lastOffsetTsNs)
-			glog.V(0).Infof("resume from %v", lastOffsetTs)
+		if mountedDirEntry != nil {
+			if err == nil && mountedDirEntry.Attributes.Crtime < lastOffsetTsNs/1000000 {
+				lastOffsetTs = time.Unix(0, lastOffsetTsNs)
+				glog.V(0).Infof("resume from %v", lastOffsetTs)
+			} else {
+				lastOffsetTs = time.Unix(mountedDirEntry.Attributes.Crtime, 0)
+			}
 		} else {
-			lastOffsetTs = time.Unix(mountedDirEntry.Attributes.Crtime, 0)
+			lastOffsetTs = time.Now()
 		}
 	} else {
 		lastOffsetTs = time.Now().Add(-*option.timeAgo)
@ -160,6 +164,10 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour
 		if message.OldEntry != nil && message.NewEntry == nil {
 			glog.V(2).Infof("delete: %+v", resp)
 			dest := toRemoteStorageLocation(util.FullPath(mountedDir), util.NewFullPath(resp.Directory, message.OldEntry.Name), remoteStorageMountLocation)
+			if message.OldEntry.IsDirectory {
+				glog.V(0).Infof("rmdir  %s", remote_storage.FormatLocation(dest))
+				return client.RemoveDirectory(dest)
+			}
 			glog.V(0).Infof("delete %s", remote_storage.FormatLocation(dest))
 			return client.DeleteFile(dest)
 		}
@ -206,10 +214,10 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour
 		"filer.remote.sync", mountedDir, lastOffsetTs.UnixNano(), 0, processEventFnWithOffset, false)
 }

-func toRemoteStorageLocation(mountDir, sourcePath util.FullPath, remoteMountLocation *filer_pb.RemoteStorageLocation) *filer_pb.RemoteStorageLocation {
+func toRemoteStorageLocation(mountDir, sourcePath util.FullPath, remoteMountLocation *remote_pb.RemoteStorageLocation) *remote_pb.RemoteStorageLocation {
 	source := string(sourcePath[len(mountDir):])
 	dest := util.FullPath(remoteMountLocation.Path).Child(source)
-	return &filer_pb.RemoteStorageLocation{
+	return &remote_pb.RemoteStorageLocation{
 		Name:   remoteMountLocation.Name,
 		Bucket: remoteMountLocation.Bucket,
 		Path:   string(dest),
--- a/weed/command/imports.go
+++ b/weed/command/imports.go
@ -5,6 +5,7 @@ import (

 	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/azure"
 	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/gcs"
+	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/hdfs"
 	_ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3"

 	_ "github.com/chrislusf/seaweedfs/weed/replication/sink/azuresink"
--- a/weed/filer/filer_remote_storage.go
+++ b/weed/filer/filer_remote_storage.go
@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/proto"
@ -21,13 +22,13 @@ const REMOTE_STORAGE_MOUNT_FILE = "mount.mapping"

 type FilerRemoteStorage struct {
 	rules             ptrie.Trie
-	storageNameToConf map[string]*filer_pb.RemoteConf
+	storageNameToConf map[string]*remote_pb.RemoteConf
 }

 func NewFilerRemoteStorage() (rs *FilerRemoteStorage) {
 	rs = &FilerRemoteStorage{
 		rules:             ptrie.New(),
-		storageNameToConf: make(map[string]*filer_pb.RemoteConf),
+		storageNameToConf: make(map[string]*remote_pb.RemoteConf),
 	}
 	return rs
 }
@ -56,7 +57,7 @@ func (rs *FilerRemoteStorage) LoadRemoteStorageConfigurationsAndMapping(filer *F
 		if !strings.HasSuffix(entry.Name(), REMOTE_STORAGE_CONF_SUFFIX) {
 			return nil
 		}
-		conf := &filer_pb.RemoteConf{}
+		conf := &remote_pb.RemoteConf{}
 		if err := proto.Unmarshal(entry.Content, conf); err != nil {
 			return fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, entry.Name(), err)
 		}
@ -66,7 +67,7 @@ func (rs *FilerRemoteStorage) LoadRemoteStorageConfigurationsAndMapping(filer *F
 }

 func (rs *FilerRemoteStorage) loadRemoteStorageMountMapping(data []byte) (err error) {
-	mappings := &filer_pb.RemoteStorageMapping{}
+	mappings := &remote_pb.RemoteStorageMapping{}
 	if err := proto.Unmarshal(data, mappings); err != nil {
 		return fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, REMOTE_STORAGE_MOUNT_FILE, err)
 	}
@ -76,23 +77,23 @@ func (rs *FilerRemoteStorage) loadRemoteStorageMountMapping(data []byte) (err er
 	return nil
 }

-func (rs *FilerRemoteStorage) mapDirectoryToRemoteStorage(dir util.FullPath, loc *filer_pb.RemoteStorageLocation) {
+func (rs *FilerRemoteStorage) mapDirectoryToRemoteStorage(dir util.FullPath, loc *remote_pb.RemoteStorageLocation) {
 	rs.rules.Put([]byte(dir+"/"), loc)
 }

-func (rs *FilerRemoteStorage) FindMountDirectory(p util.FullPath) (mountDir util.FullPath, remoteLocation *filer_pb.RemoteStorageLocation) {
+func (rs *FilerRemoteStorage) FindMountDirectory(p util.FullPath) (mountDir util.FullPath, remoteLocation *remote_pb.RemoteStorageLocation) {
 	rs.rules.MatchPrefix([]byte(p), func(key []byte, value interface{}) bool {
 		mountDir = util.FullPath(string(key[:len(key)-1]))
-		remoteLocation = value.(*filer_pb.RemoteStorageLocation)
+		remoteLocation = value.(*remote_pb.RemoteStorageLocation)
 		return true
 	})
 	return
 }

-func (rs *FilerRemoteStorage) FindRemoteStorageClient(p util.FullPath) (client remote_storage.RemoteStorageClient, remoteConf *filer_pb.RemoteConf, found bool) {
-	var storageLocation *filer_pb.RemoteStorageLocation
+func (rs *FilerRemoteStorage) FindRemoteStorageClient(p util.FullPath) (client remote_storage.RemoteStorageClient, remoteConf *remote_pb.RemoteConf, found bool) {
+	var storageLocation *remote_pb.RemoteStorageLocation
 	rs.rules.MatchPrefix([]byte(p), func(key []byte, value interface{}) bool {
-		storageLocation = value.(*filer_pb.RemoteStorageLocation)
+		storageLocation = value.(*remote_pb.RemoteStorageLocation)
 		return true
 	})

@ -104,7 +105,7 @@ func (rs *FilerRemoteStorage) FindRemoteStorageClient(p util.FullPath) (client r
 	return rs.GetRemoteStorageClient(storageLocation.Name)
 }

-func (rs *FilerRemoteStorage) GetRemoteStorageClient(storageName string) (client remote_storage.RemoteStorageClient, remoteConf *filer_pb.RemoteConf, found bool) {
+func (rs *FilerRemoteStorage) GetRemoteStorageClient(storageName string) (client remote_storage.RemoteStorageClient, remoteConf *remote_pb.RemoteConf, found bool) {
 	remoteConf, found = rs.storageNameToConf[storageName]
 	if !found {
 		return
@ -118,9 +119,9 @@ func (rs *FilerRemoteStorage) GetRemoteStorageClient(storageName string) (client
 	return
 }

-func UnmarshalRemoteStorageMappings(oldContent []byte) (mappings *filer_pb.RemoteStorageMapping, err error) {
-	mappings = &filer_pb.RemoteStorageMapping{
-		Mappings: make(map[string]*filer_pb.RemoteStorageLocation),
+func UnmarshalRemoteStorageMappings(oldContent []byte) (mappings *remote_pb.RemoteStorageMapping, err error) {
+	mappings = &remote_pb.RemoteStorageMapping{
+		Mappings: make(map[string]*remote_pb.RemoteStorageLocation),
 	}
 	if len(oldContent) > 0 {
 		if err = proto.Unmarshal(oldContent, mappings); err != nil {
@ -130,7 +131,7 @@ func UnmarshalRemoteStorageMappings(oldContent []byte) (mappings *filer_pb.Remot
 	return
 }

-func AddRemoteStorageMapping(oldContent []byte, dir string, storageLocation *filer_pb.RemoteStorageLocation) (newContent []byte, err error) {
+func AddRemoteStorageMapping(oldContent []byte, dir string, storageLocation *remote_pb.RemoteStorageLocation) (newContent []byte, err error) {
 	mappings, unmarshalErr := UnmarshalRemoteStorageMappings(oldContent)
 	if unmarshalErr != nil {
 		// skip
@ -162,7 +163,7 @@ func RemoveRemoteStorageMapping(oldContent []byte, dir string) (newContent []byt
 	return
 }

-func ReadMountMappings(grpcDialOption grpc.DialOption, filerAddress string) (mappings *filer_pb.RemoteStorageMapping, readErr error) {
+func ReadMountMappings(grpcDialOption grpc.DialOption, filerAddress string) (mappings *remote_pb.RemoteStorageMapping, readErr error) {
 	var oldContent []byte
 	if readErr = pb.WithFilerClient(filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 		oldContent, readErr = ReadInsideFiler(client, DirectoryEtcRemote, REMOTE_STORAGE_MOUNT_FILE)
@ -179,7 +180,7 @@ func ReadMountMappings(grpcDialOption grpc.DialOption, filerAddress string) (map
 	return
 }

-func ReadRemoteStorageConf(grpcDialOption grpc.DialOption, filerAddress string, storageName string) (conf *filer_pb.RemoteConf, readErr error) {
+func ReadRemoteStorageConf(grpcDialOption grpc.DialOption, filerAddress string, storageName string) (conf *remote_pb.RemoteConf, readErr error) {
 	var oldContent []byte
 	if readErr = pb.WithFilerClient(filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 		oldContent, readErr = ReadInsideFiler(client, DirectoryEtcRemote, storageName+REMOTE_STORAGE_CONF_SUFFIX)
@ -189,7 +190,7 @@ func ReadRemoteStorageConf(grpcDialOption grpc.DialOption, filerAddress string,
 	}

 	// unmarshal storage configuration
-	conf = &filer_pb.RemoteConf{}
+	conf = &remote_pb.RemoteConf{}
 	if unMarshalErr := proto.Unmarshal(oldContent, conf); unMarshalErr != nil {
 		readErr = fmt.Errorf("unmarshal %s/%s: %v", DirectoryEtcRemote, storageName+REMOTE_STORAGE_CONF_SUFFIX, unMarshalErr)
 		return
@ -198,7 +199,7 @@ func ReadRemoteStorageConf(grpcDialOption grpc.DialOption, filerAddress string,
 	return
 }

-func DetectMountInfo(grpcDialOption grpc.DialOption, filerAddress string, dir string) (*filer_pb.RemoteStorageMapping, string, *filer_pb.RemoteStorageLocation, *filer_pb.RemoteConf, error) {
+func DetectMountInfo(grpcDialOption grpc.DialOption, filerAddress string, dir string) (*remote_pb.RemoteStorageMapping, string, *remote_pb.RemoteStorageLocation, *remote_pb.RemoteConf, error) {

 	mappings, listErr := ReadMountMappings(grpcDialOption, filerAddress)
 	if listErr != nil {
@ -209,7 +210,7 @@ func DetectMountInfo(grpcDialOption grpc.DialOption, filerAddress string, dir st
 	}

 	var localMountedDir string
-	var remoteStorageMountedLocation *filer_pb.RemoteStorageLocation
+	var remoteStorageMountedLocation *remote_pb.RemoteStorageLocation
 	for k, loc := range mappings.Mappings {
 		if strings.HasPrefix(dir, k) {
 			localMountedDir, remoteStorageMountedLocation = k, loc
--- a/weed/filer/filer_remote_storage_test.go
+++ b/weed/filer/filer_remote_storage_test.go
@ -1,20 +1,20 @@
 package filer

 import (
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/stretchr/testify/assert"
 	"testing"
 )

 func TestFilerRemoteStorage_FindRemoteStorageClient(t *testing.T) {
-	conf := &filer_pb.RemoteConf{
+	conf := &remote_pb.RemoteConf{
 		Name: "s7",
 		Type: "s3",
 	}
 	rs := NewFilerRemoteStorage()
 	rs.storageNameToConf[conf.Name] = conf

-	rs.mapDirectoryToRemoteStorage("/a/b/c", &filer_pb.RemoteStorageLocation{
+	rs.mapDirectoryToRemoteStorage("/a/b/c", &remote_pb.RemoteStorageLocation{
 		Name:   "s7",
 		Bucket: "some",
 		Path:   "/dir",
--- a/weed/filer/read_remote.go
+++ b/weed/filer/read_remote.go
@ -2,8 +2,8 @@ package filer

 import (
 	"context"
-	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -11,21 +11,8 @@ func (entry *Entry) IsInRemoteOnly() bool {
 	return len(entry.Chunks) == 0 && entry.Remote != nil && entry.Remote.RemoteSize > 0
 }

-func (f *Filer) ReadRemote(entry *Entry, offset int64, size int64) (data []byte, err error) {
-	client, _, found := f.RemoteStorage.GetRemoteStorageClient(entry.Remote.StorageName)
-	if !found {
-		return nil, fmt.Errorf("remote storage %v not found", entry.Remote.StorageName)
-	}
-
-	mountDir, remoteLoation := f.RemoteStorage.FindMountDirectory(entry.FullPath)
-
-	sourceLoc := MapFullPathToRemoteStorageLocation(mountDir, remoteLoation, entry.FullPath)
-
-	return client.ReadFile(sourceLoc, offset, size)
-}
-
-func MapFullPathToRemoteStorageLocation(localMountedDir util.FullPath, remoteMountedLocation *filer_pb.RemoteStorageLocation, fp util.FullPath) *filer_pb.RemoteStorageLocation {
-	remoteLocation := &filer_pb.RemoteStorageLocation{
+func MapFullPathToRemoteStorageLocation(localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, fp util.FullPath) *remote_pb.RemoteStorageLocation {
+	remoteLocation := &remote_pb.RemoteStorageLocation{
 		Name:   remoteMountedLocation.Name,
 		Bucket: remoteMountedLocation.Bucket,
 		Path:   remoteMountedLocation.Path,
@ -34,11 +21,11 @@ func MapFullPathToRemoteStorageLocation(localMountedDir util.FullPath, remoteMou
 	return remoteLocation
 }

-func MapRemoteStorageLocationPathToFullPath(localMountedDir util.FullPath, remoteMountedLocation *filer_pb.RemoteStorageLocation, remoteLocationPath string)(fp util.FullPath)  {
+func MapRemoteStorageLocationPathToFullPath(localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, remoteLocationPath string)(fp util.FullPath)  {
 	return localMountedDir.Child(remoteLocationPath[len(remoteMountedLocation.Path):])
 }

-func DownloadToLocal(filerClient filer_pb.FilerClient, remoteConf *filer_pb.RemoteConf, remoteLocation *filer_pb.RemoteStorageLocation, parent util.FullPath, entry *filer_pb.Entry) error {
+func DownloadToLocal(filerClient filer_pb.FilerClient, remoteConf *remote_pb.RemoteConf, remoteLocation *remote_pb.RemoteStorageLocation, parent util.FullPath, entry *filer_pb.Entry) error {
 	return filerClient.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 		_, err := client.DownloadToLocal(context.Background(), &filer_pb.DownloadToLocalRequest{
 			Directory: string(parent),
--- a/weed/filer/stream.go
+++ b/weed/filer/stream.go
@ -7,6 +7,7 @@ import (
 	"math"
 	"sort"
 	"strings"
+	"sync"
 	"time"

 	"github.com/chrislusf/seaweedfs/weed/glog"
@ -131,8 +132,8 @@ type ChunkStreamReader struct {
 	logicOffset        int64
 	buffer             []byte
 	bufferOffset       int64
-	bufferPos          int
-	nextChunkViewIndex int
+	bufferLock         sync.Mutex
+	chunk              string
 	lookupFileId       wdclient.LookupFileIdFunctionType
 }

@ -175,27 +176,29 @@ func NewChunkStreamReader(filerClient filer_pb.FilerClient, chunks []*filer_pb.F
 }

 func (c *ChunkStreamReader) ReadAt(p []byte, off int64) (n int, err error) {
+	c.bufferLock.Lock()
+	defer c.bufferLock.Unlock()
 	if err = c.prepareBufferFor(off); err != nil {
 		return
 	}
 	c.logicOffset = off
-	return c.Read(p)
+	return c.doRead(p)
 }

 func (c *ChunkStreamReader) Read(p []byte) (n int, err error) {
+	c.bufferLock.Lock()
+	defer c.bufferLock.Unlock()
+	return c.doRead(p)
+}
+
+func (c *ChunkStreamReader) doRead(p []byte) (n int, err error) {
+	// fmt.Printf("do read [%d,%d) at %s[%d,%d)\n", c.logicOffset, c.logicOffset+int64(len(p)), c.chunk, c.bufferOffset, c.bufferOffset+int64(len(c.buffer)))
 	for n < len(p) {
-		if c.isBufferEmpty() {
-			if c.nextChunkViewIndex >= len(c.chunkViews) {
-				return n, io.EOF
-			}
-			chunkView := c.chunkViews[c.nextChunkViewIndex]
-			if err = c.fetchChunkToBuffer(chunkView); err != nil {
-				return
-			}
-			c.nextChunkViewIndex++
+		// println("read", c.logicOffset)
+		if err = c.prepareBufferFor(c.logicOffset); err != nil {
+			return
 		}
-		t := copy(p[n:], c.buffer[c.bufferPos:])
-		c.bufferPos += t
+		t := copy(p[n:], c.buffer[c.logicOffset-c.bufferOffset:])
 		n += t
 		c.logicOffset += int64(t)
 	}
@ -203,10 +206,12 @@ func (c *ChunkStreamReader) Read(p []byte) (n int, err error) {
 }

 func (c *ChunkStreamReader) isBufferEmpty() bool {
-	return len(c.buffer) <= c.bufferPos
+	return len(c.buffer) <= int(c.logicOffset - c.bufferOffset)
 }

 func (c *ChunkStreamReader) Seek(offset int64, whence int) (int64, error) {
+	c.bufferLock.Lock()
+	defer c.bufferLock.Unlock()

 	var err error
 	switch whence {
@ -226,48 +231,59 @@ func (c *ChunkStreamReader) Seek(offset int64, whence int) (int64, error) {

 }

+func insideChunk(offset int64, chunk *ChunkView) bool {
+	return chunk.LogicOffset <= offset && offset < chunk.LogicOffset+int64(chunk.Size)
+}
+
 func (c *ChunkStreamReader) prepareBufferFor(offset int64) (err error) {
 	// stay in the same chunk
-	if !c.isBufferEmpty() {
-		if c.bufferOffset <= offset && offset < c.bufferOffset+int64(len(c.buffer)) {
-			c.bufferPos = int(offset - c.bufferOffset)
-			return nil
-		}
+	if c.bufferOffset <= offset && offset < c.bufferOffset+int64(len(c.buffer)) {
+		return nil
 	}

+	// fmt.Printf("fetch for offset %d\n", offset)
+
 	// need to seek to a different chunk
 	currentChunkIndex := sort.Search(len(c.chunkViews), func(i int) bool {
 		return offset < c.chunkViews[i].LogicOffset
 	})
 	if currentChunkIndex == len(c.chunkViews) {
 		// not found
-		if c.chunkViews[0].LogicOffset <= offset {
+		if insideChunk(offset, c.chunkViews[0]) {
+			// fmt.Printf("select0 chunk %d %s\n", currentChunkIndex, c.chunkViews[currentChunkIndex].FileId)
 			currentChunkIndex = 0
-		} else if c.chunkViews[len(c.chunkViews)-1].LogicOffset <= offset {
-			currentChunkIndex = len(c.chunkViews) -1
+		} else if insideChunk(offset, c.chunkViews[len(c.chunkViews)-1]) {
+			currentChunkIndex = len(c.chunkViews) - 1
+			// fmt.Printf("select last chunk %d %s\n", currentChunkIndex, c.chunkViews[currentChunkIndex].FileId)
 		} else {
 			return io.EOF
 		}
 	} else if currentChunkIndex > 0 {
-		if c.chunkViews[currentChunkIndex-1].LogicOffset <= offset {
+		if insideChunk(offset, c.chunkViews[currentChunkIndex]) {
+			// good hit
+		} else if insideChunk(offset, c.chunkViews[currentChunkIndex-1]){
 			currentChunkIndex -= 1
+			// fmt.Printf("select -1 chunk %d %s\n", currentChunkIndex, c.chunkViews[currentChunkIndex].FileId)
 		} else {
+			// glog.Fatalf("unexpected1 offset %d", offset)
 			return fmt.Errorf("unexpected1 offset %d", offset)
 		}
 	} else {
+		// glog.Fatalf("unexpected2 offset %d", offset)
 		return fmt.Errorf("unexpected2 offset %d", offset)
 	}

 	// positioning within the new chunk
 	chunk := c.chunkViews[currentChunkIndex]
-	if chunk.LogicOffset <= offset && offset < chunk.LogicOffset+int64(chunk.Size) {
+	if insideChunk(offset, chunk) {
 		if c.isBufferEmpty() || c.bufferOffset != chunk.LogicOffset {
 			if err = c.fetchChunkToBuffer(chunk); err != nil {
 				return
 			}
-			c.nextChunkViewIndex = currentChunkIndex + 1
 		}
-		c.bufferPos = int(offset - c.bufferOffset)
+	} else {
+		// glog.Fatalf("unexpected3 offset %d in %s [%d,%d)", offset, chunk.FileId, chunk.LogicOffset, chunk.LogicOffset+int64(chunk.Size))
+		return fmt.Errorf("unexpected3 offset %d in %s [%d,%d)", offset, chunk.FileId, chunk.LogicOffset, chunk.LogicOffset+int64(chunk.Size))
 	}
 	return
 }
@ -298,10 +314,10 @@ func (c *ChunkStreamReader) fetchChunkToBuffer(chunkView *ChunkView) error {
 		return err
 	}
 	c.buffer = buffer.Bytes()
-	c.bufferPos = 0
 	c.bufferOffset = chunkView.LogicOffset
+	c.chunk = chunkView.FileId

-	// glog.V(0).Infof("read %s [%d,%d)", chunkView.FileId, chunkView.LogicOffset, chunkView.LogicOffset+int64(chunkView.Size))
+	// glog.V(0).Infof("fetched %s [%d,%d)", chunkView.FileId, chunkView.LogicOffset, chunkView.LogicOffset+int64(chunkView.Size))

 	return nil
 }
--- a/weed/filesys/meta_cache/meta_cache_subscribe.go
+++ b/weed/filesys/meta_cache/meta_cache_subscribe.go
@ -39,11 +39,9 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 		err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry)
 		if err == nil {
 			if message.OldEntry != nil && message.NewEntry != nil {
-				if message.OldEntry.Name == message.NewEntry.Name {
-					// no need to invalidate
-				} else {
-					oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
-					mc.invalidateFunc(oldKey)
+				oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
+				mc.invalidateFunc(oldKey)
+				if message.OldEntry.Name != message.NewEntry.Name {
 					newKey := util.NewFullPath(dir, message.NewEntry.Name)
 					mc.invalidateFunc(newKey)
 				}
--- a/weed/pb/Makefile
+++ b/weed/pb/Makefile
@ -6,6 +6,7 @@ gen:
 	protoc master.proto --go_out=plugins=grpc:./master_pb --go_opt=paths=source_relative
 	protoc volume_server.proto --go_out=plugins=grpc:./volume_server_pb --go_opt=paths=source_relative
 	protoc filer.proto --go_out=plugins=grpc:./filer_pb --go_opt=paths=source_relative
+	protoc remote.proto --go_out=plugins=grpc:./remote_pb --go_opt=paths=source_relative
 	protoc iam.proto --go_out=plugins=grpc:./iam_pb --go_opt=paths=source_relative
 	protoc messaging.proto --go_out=plugins=grpc:./messaging_pb --go_opt=paths=source_relative
 	# protoc filer.proto --java_out=../../other/java/client/src/main/java
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@ -305,6 +305,7 @@ message GetFilerConfigurationResponse {
    string metrics_address = 9;
    int32 metrics_interval_sec = 10;
    string version = 11;
+    string cluster_id = 12;
 }

 message SubscribeMetadataRequest {
@ -336,6 +337,7 @@ message KeepConnectedResponse {
 message LocateBrokerRequest {
    string resource = 1;
 }
+
 message LocateBrokerResponse {
    bool found = 1;
    // if found, send the exact address
@ -386,49 +388,6 @@ message FilerConf {
 /////////////////////////
 // Remote Storage related
 /////////////////////////
-message RemoteConf {
-    string type = 1;
-    string name = 2;
-    string s3_access_key = 4;
-    string s3_secret_key = 5;
-    string s3_region = 6;
-    string s3_endpoint = 7;
-    string s3_storage_class = 8;
-    bool s3_force_path_style = 9;
-
-    string gcs_google_application_credentials = 10;
-
-    string azure_account_name = 15;
-    string azure_account_key = 16;
-
-    string backblaze_key_id = 20;
-    string backblaze_application_key = 21;
-    string backblaze_endpoint = 22;
-
-    string aliyun_access_key = 25;
-    string aliyun_secret_key = 26;
-    string aliyun_endpoint = 27;
-    string aliyun_region = 28;
-
-    string tencent_secret_id = 30;
-    string tencent_secret_key = 31;
-    string tencent_endpoint = 32;
-
-    string baidu_access_key = 35;
-    string baidu_secret_key = 36;
-    string baidu_endpoint = 37;
-    string baidu_region = 38;
-
-}
-
-message RemoteStorageMapping {
-    map<string,RemoteStorageLocation> mappings = 1;
-}
-message RemoteStorageLocation {
-    string name = 1;
-    string bucket = 2;
-    string path = 3;
-}
 message DownloadToLocalRequest {
    string directory = 1;
    string name = 2;
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
--- a/weed/pb/filer_pb/filer_pb_helper.go
+++ b/weed/pb/filer_pb/filer_pb_helper.go
@ -151,7 +151,3 @@ func (fp *FilerConf_PathConf) Key() interface{} {
 	key, _ := proto.Marshal(fp)
 	return string(key)
 }
-func (fp *RemoteStorageLocation) Key() interface{} {
-	key, _ := proto.Marshal(fp)
-	return string(key)
-}
--- a/weed/pb/remote.proto
+++ b/weed/pb/remote.proto
@ -0,0 +1,64 @@
+syntax = "proto3";
+
+package remote_pb;
+
+option go_package = "github.com/chrislusf/seaweedfs/weed/pb/remote_pb";
+option java_package = "seaweedfs.client";
+option java_outer_classname = "FilerProto";
+
+/////////////////////////
+// Remote Storage related
+/////////////////////////
+message RemoteConf {
+  string type = 1;
+  string name = 2;
+  string s3_access_key = 4;
+  string s3_secret_key = 5;
+  string s3_region = 6;
+  string s3_endpoint = 7;
+  string s3_storage_class = 8;
+  bool s3_force_path_style = 9;
+
+  string gcs_google_application_credentials = 10;
+
+  string azure_account_name = 15;
+  string azure_account_key = 16;
+
+  string backblaze_key_id = 20;
+  string backblaze_application_key = 21;
+  string backblaze_endpoint = 22;
+
+  string aliyun_access_key = 25;
+  string aliyun_secret_key = 26;
+  string aliyun_endpoint = 27;
+  string aliyun_region = 28;
+
+  string tencent_secret_id = 30;
+  string tencent_secret_key = 31;
+  string tencent_endpoint = 32;
+
+  string baidu_access_key = 35;
+  string baidu_secret_key = 36;
+  string baidu_endpoint = 37;
+  string baidu_region = 38;
+
+  string wasabi_access_key = 40;
+  string wasabi_secret_key = 41;
+  string wasabi_endpoint = 42;
+  string wasabi_region = 43;
+
+  repeated string hdfs_namenodes = 50;
+  string hdfs_username = 51;
+  string hdfs_service_principal_name = 52;
+  string hdfs_data_transfer_protection = 53;
+
+}
+
+message RemoteStorageMapping {
+  map<string,RemoteStorageLocation> mappings = 1;
+}
+message RemoteStorageLocation {
+  string name = 1;
+  string bucket = 2;
+  string path = 3;
+}
--- a/weed/pb/remote_pb/remote.pb.go
+++ b/weed/pb/remote_pb/remote.pb.go
@ -0,0 +1,653 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.12.3
+// source: remote.proto
+
+package remote_pb
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+/////////////////////////
+// Remote Storage related
+/////////////////////////
+type RemoteConf struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Type                            string   `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
+	Name                            string   `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	S3AccessKey                     string   `protobuf:"bytes,4,opt,name=s3_access_key,json=s3AccessKey,proto3" json:"s3_access_key,omitempty"`
+	S3SecretKey                     string   `protobuf:"bytes,5,opt,name=s3_secret_key,json=s3SecretKey,proto3" json:"s3_secret_key,omitempty"`
+	S3Region                        string   `protobuf:"bytes,6,opt,name=s3_region,json=s3Region,proto3" json:"s3_region,omitempty"`
+	S3Endpoint                      string   `protobuf:"bytes,7,opt,name=s3_endpoint,json=s3Endpoint,proto3" json:"s3_endpoint,omitempty"`
+	S3StorageClass                  string   `protobuf:"bytes,8,opt,name=s3_storage_class,json=s3StorageClass,proto3" json:"s3_storage_class,omitempty"`
+	S3ForcePathStyle                bool     `protobuf:"varint,9,opt,name=s3_force_path_style,json=s3ForcePathStyle,proto3" json:"s3_force_path_style,omitempty"`
+	GcsGoogleApplicationCredentials string   `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"`
+	AzureAccountName                string   `protobuf:"bytes,15,opt,name=azure_account_name,json=azureAccountName,proto3" json:"azure_account_name,omitempty"`
+	AzureAccountKey                 string   `protobuf:"bytes,16,opt,name=azure_account_key,json=azureAccountKey,proto3" json:"azure_account_key,omitempty"`
+	BackblazeKeyId                  string   `protobuf:"bytes,20,opt,name=backblaze_key_id,json=backblazeKeyId,proto3" json:"backblaze_key_id,omitempty"`
+	BackblazeApplicationKey         string   `protobuf:"bytes,21,opt,name=backblaze_application_key,json=backblazeApplicationKey,proto3" json:"backblaze_application_key,omitempty"`
+	BackblazeEndpoint               string   `protobuf:"bytes,22,opt,name=backblaze_endpoint,json=backblazeEndpoint,proto3" json:"backblaze_endpoint,omitempty"`
+	AliyunAccessKey                 string   `protobuf:"bytes,25,opt,name=aliyun_access_key,json=aliyunAccessKey,proto3" json:"aliyun_access_key,omitempty"`
+	AliyunSecretKey                 string   `protobuf:"bytes,26,opt,name=aliyun_secret_key,json=aliyunSecretKey,proto3" json:"aliyun_secret_key,omitempty"`
+	AliyunEndpoint                  string   `protobuf:"bytes,27,opt,name=aliyun_endpoint,json=aliyunEndpoint,proto3" json:"aliyun_endpoint,omitempty"`
+	AliyunRegion                    string   `protobuf:"bytes,28,opt,name=aliyun_region,json=aliyunRegion,proto3" json:"aliyun_region,omitempty"`
+	TencentSecretId                 string   `protobuf:"bytes,30,opt,name=tencent_secret_id,json=tencentSecretId,proto3" json:"tencent_secret_id,omitempty"`
+	TencentSecretKey                string   `protobuf:"bytes,31,opt,name=tencent_secret_key,json=tencentSecretKey,proto3" json:"tencent_secret_key,omitempty"`
+	TencentEndpoint                 string   `protobuf:"bytes,32,opt,name=tencent_endpoint,json=tencentEndpoint,proto3" json:"tencent_endpoint,omitempty"`
+	BaiduAccessKey                  string   `protobuf:"bytes,35,opt,name=baidu_access_key,json=baiduAccessKey,proto3" json:"baidu_access_key,omitempty"`
+	BaiduSecretKey                  string   `protobuf:"bytes,36,opt,name=baidu_secret_key,json=baiduSecretKey,proto3" json:"baidu_secret_key,omitempty"`
+	BaiduEndpoint                   string   `protobuf:"bytes,37,opt,name=baidu_endpoint,json=baiduEndpoint,proto3" json:"baidu_endpoint,omitempty"`
+	BaiduRegion                     string   `protobuf:"bytes,38,opt,name=baidu_region,json=baiduRegion,proto3" json:"baidu_region,omitempty"`
+	WasabiAccessKey                 string   `protobuf:"bytes,40,opt,name=wasabi_access_key,json=wasabiAccessKey,proto3" json:"wasabi_access_key,omitempty"`
+	WasabiSecretKey                 string   `protobuf:"bytes,41,opt,name=wasabi_secret_key,json=wasabiSecretKey,proto3" json:"wasabi_secret_key,omitempty"`
+	WasabiEndpoint                  string   `protobuf:"bytes,42,opt,name=wasabi_endpoint,json=wasabiEndpoint,proto3" json:"wasabi_endpoint,omitempty"`
+	WasabiRegion                    string   `protobuf:"bytes,43,opt,name=wasabi_region,json=wasabiRegion,proto3" json:"wasabi_region,omitempty"`
+	HdfsNamenodes                   []string `protobuf:"bytes,50,rep,name=hdfs_namenodes,json=hdfsNamenodes,proto3" json:"hdfs_namenodes,omitempty"`
+	HdfsUsername                    string   `protobuf:"bytes,51,opt,name=hdfs_username,json=hdfsUsername,proto3" json:"hdfs_username,omitempty"`
+	HdfsServicePrincipalName        string   `protobuf:"bytes,52,opt,name=hdfs_service_principal_name,json=hdfsServicePrincipalName,proto3" json:"hdfs_service_principal_name,omitempty"`
+	HdfsDataTransferProtection      string   `protobuf:"bytes,53,opt,name=hdfs_data_transfer_protection,json=hdfsDataTransferProtection,proto3" json:"hdfs_data_transfer_protection,omitempty"`
+}
+
+func (x *RemoteConf) Reset() {
+	*x = RemoteConf{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_remote_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteConf) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteConf) ProtoMessage() {}
+
+func (x *RemoteConf) ProtoReflect() protoreflect.Message {
+	mi := &file_remote_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteConf.ProtoReflect.Descriptor instead.
+func (*RemoteConf) Descriptor() ([]byte, []int) {
+	return file_remote_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RemoteConf) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3AccessKey() string {
+	if x != nil {
+		return x.S3AccessKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3SecretKey() string {
+	if x != nil {
+		return x.S3SecretKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3Region() string {
+	if x != nil {
+		return x.S3Region
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3Endpoint() string {
+	if x != nil {
+		return x.S3Endpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3StorageClass() string {
+	if x != nil {
+		return x.S3StorageClass
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetS3ForcePathStyle() bool {
+	if x != nil {
+		return x.S3ForcePathStyle
+	}
+	return false
+}
+
+func (x *RemoteConf) GetGcsGoogleApplicationCredentials() string {
+	if x != nil {
+		return x.GcsGoogleApplicationCredentials
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAzureAccountName() string {
+	if x != nil {
+		return x.AzureAccountName
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAzureAccountKey() string {
+	if x != nil {
+		return x.AzureAccountKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBackblazeKeyId() string {
+	if x != nil {
+		return x.BackblazeKeyId
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBackblazeApplicationKey() string {
+	if x != nil {
+		return x.BackblazeApplicationKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBackblazeEndpoint() string {
+	if x != nil {
+		return x.BackblazeEndpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAliyunAccessKey() string {
+	if x != nil {
+		return x.AliyunAccessKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAliyunSecretKey() string {
+	if x != nil {
+		return x.AliyunSecretKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAliyunEndpoint() string {
+	if x != nil {
+		return x.AliyunEndpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetAliyunRegion() string {
+	if x != nil {
+		return x.AliyunRegion
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetTencentSecretId() string {
+	if x != nil {
+		return x.TencentSecretId
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetTencentSecretKey() string {
+	if x != nil {
+		return x.TencentSecretKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetTencentEndpoint() string {
+	if x != nil {
+		return x.TencentEndpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBaiduAccessKey() string {
+	if x != nil {
+		return x.BaiduAccessKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBaiduSecretKey() string {
+	if x != nil {
+		return x.BaiduSecretKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBaiduEndpoint() string {
+	if x != nil {
+		return x.BaiduEndpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetBaiduRegion() string {
+	if x != nil {
+		return x.BaiduRegion
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetWasabiAccessKey() string {
+	if x != nil {
+		return x.WasabiAccessKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetWasabiSecretKey() string {
+	if x != nil {
+		return x.WasabiSecretKey
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetWasabiEndpoint() string {
+	if x != nil {
+		return x.WasabiEndpoint
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetWasabiRegion() string {
+	if x != nil {
+		return x.WasabiRegion
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetHdfsNamenodes() []string {
+	if x != nil {
+		return x.HdfsNamenodes
+	}
+	return nil
+}
+
+func (x *RemoteConf) GetHdfsUsername() string {
+	if x != nil {
+		return x.HdfsUsername
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetHdfsServicePrincipalName() string {
+	if x != nil {
+		return x.HdfsServicePrincipalName
+	}
+	return ""
+}
+
+func (x *RemoteConf) GetHdfsDataTransferProtection() string {
+	if x != nil {
+		return x.HdfsDataTransferProtection
+	}
+	return ""
+}
+
+type RemoteStorageMapping struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Mappings map[string]*RemoteStorageLocation `protobuf:"bytes,1,rep,name=mappings,proto3" json:"mappings,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (x *RemoteStorageMapping) Reset() {
+	*x = RemoteStorageMapping{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_remote_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteStorageMapping) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteStorageMapping) ProtoMessage() {}
+
+func (x *RemoteStorageMapping) ProtoReflect() protoreflect.Message {
+	mi := &file_remote_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteStorageMapping.ProtoReflect.Descriptor instead.
+func (*RemoteStorageMapping) Descriptor() ([]byte, []int) {
+	return file_remote_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *RemoteStorageMapping) GetMappings() map[string]*RemoteStorageLocation {
+	if x != nil {
+		return x.Mappings
+	}
+	return nil
+}
+
+type RemoteStorageLocation struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name   string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Bucket string `protobuf:"bytes,2,opt,name=bucket,proto3" json:"bucket,omitempty"`
+	Path   string `protobuf:"bytes,3,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *RemoteStorageLocation) Reset() {
+	*x = RemoteStorageLocation{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_remote_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteStorageLocation) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteStorageLocation) ProtoMessage() {}
+
+func (x *RemoteStorageLocation) ProtoReflect() protoreflect.Message {
+	mi := &file_remote_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteStorageLocation.ProtoReflect.Descriptor instead.
+func (*RemoteStorageLocation) Descriptor() ([]byte, []int) {
+	return file_remote_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *RemoteStorageLocation) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *RemoteStorageLocation) GetBucket() string {
+	if x != nil {
+		return x.Bucket
+	}
+	return ""
+}
+
+func (x *RemoteStorageLocation) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+var File_remote_proto protoreflect.FileDescriptor
+
+var file_remote_proto_rawDesc = []byte{
+	0x0a, 0x0c, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09,
+	0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x22, 0x8c, 0x0b, 0x0a, 0x0a, 0x52, 0x65,
+	0x6d, 0x6f, 0x74, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x12, 0x0a, 0x04,
+	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65,
+	0x12, 0x22, 0x0a, 0x0d, 0x73, 0x33, 0x5f, 0x61, 0x63, 0x63, 0x65, 0x73, 0x73, 0x5f, 0x6b, 0x65,
+	0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x73, 0x33, 0x41, 0x63, 0x63, 0x65, 0x73,
+	0x73, 0x4b, 0x65, 0x79, 0x12, 0x22, 0x0a, 0x0d, 0x73, 0x33, 0x5f, 0x73, 0x65, 0x63, 0x72, 0x65,
+	0x74, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x73, 0x33, 0x53,
+	0x65, 0x63, 0x72, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x12, 0x1b, 0x0a, 0x09, 0x73, 0x33, 0x5f, 0x72,
+	0x65, 0x67, 0x69, 0x6f, 0x6e, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x73, 0x33, 0x52,
+	0x65, 0x67, 0x69, 0x6f, 0x6e, 0x12, 0x1f, 0x0a, 0x0b, 0x73, 0x33, 0x5f, 0x65, 0x6e, 0x64, 0x70,
+	0x6f, 0x69, 0x6e, 0x74, 0x18, 0x07, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x73, 0x33, 0x45, 0x6e,
+	0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x28, 0x0a, 0x10, 0x73, 0x33, 0x5f, 0x73, 0x74, 0x6f,
+	0x72, 0x61, 0x67, 0x65, 0x5f, 0x63, 0x6c, 0x61, 0x73, 0x73, 0x18, 0x08, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x0e, 0x73, 0x33, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x43, 0x6c, 0x61, 0x73, 0x73,
+	0x12, 0x2d, 0x0a, 0x13, 0x73, 0x33, 0x5f, 0x66, 0x6f, 0x72, 0x63, 0x65, 0x5f, 0x70, 0x61, 0x74,
+	0x68, 0x5f, 0x73, 0x74, 0x79, 0x6c, 0x65, 0x18, 0x09, 0x20, 0x01, 0x28, 0x08, 0x52, 0x10, 0x73,
+	0x33, 0x46, 0x6f, 0x72, 0x63, 0x65, 0x50, 0x61, 0x74, 0x68, 0x53, 0x74, 0x79, 0x6c, 0x65, 0x12,
+	0x4b, 0x0a, 0x22, 0x67, 0x63, 0x73, 0x5f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x5f, 0x61, 0x70,
+	0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x63, 0x72, 0x65, 0x64, 0x65, 0x6e,
+	0x74, 0x69, 0x61, 0x6c, 0x73, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x09, 0x52, 0x1f, 0x67, 0x63, 0x73,
+	0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x41, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f,
+	0x6e, 0x43, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x73, 0x12, 0x2c, 0x0a, 0x12,
+	0x61, 0x7a, 0x75, 0x72, 0x65, 0x5f, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x5f, 0x6e, 0x61,
+	0x6d, 0x65, 0x18, 0x0f, 0x20, 0x01, 0x28, 0x09, 0x52, 0x10, 0x61, 0x7a, 0x75, 0x72, 0x65, 0x41,
+	0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x2a, 0x0a, 0x11, 0x61, 0x7a,
+	0x75, 0x72, 0x65, 0x5f, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x5f, 0x6b, 0x65, 0x79, 0x18,
+	0x10, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x61, 0x7a, 0x75, 0x72, 0x65, 0x41, 0x63, 0x63, 0x6f,
+	0x75, 0x6e, 0x74, 0x4b, 0x65, 0x79, 0x12, 0x28, 0x0a, 0x10, 0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c,
+	0x61, 0x7a, 0x65, 0x5f, 0x6b, 0x65, 0x79, 0x5f, 0x69, 0x64, 0x18, 0x14, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x0e, 0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c, 0x61, 0x7a, 0x65, 0x4b, 0x65, 0x79, 0x49, 0x64,
+	0x12, 0x3a, 0x0a, 0x19, 0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c, 0x61, 0x7a, 0x65, 0x5f, 0x61, 0x70,
+	0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x15, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x17, 0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c, 0x61, 0x7a, 0x65, 0x41, 0x70,
+	0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4b, 0x65, 0x79, 0x12, 0x2d, 0x0a, 0x12,
+	0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c, 0x61, 0x7a, 0x65, 0x5f, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69,
+	0x6e, 0x74, 0x18, 0x16, 0x20, 0x01, 0x28, 0x09, 0x52, 0x11, 0x62, 0x61, 0x63, 0x6b, 0x62, 0x6c,
+	0x61, 0x7a, 0x65, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x2a, 0x0a, 0x11, 0x61,
+	0x6c, 0x69, 0x79, 0x75, 0x6e, 0x5f, 0x61, 0x63, 0x63, 0x65, 0x73, 0x73, 0x5f, 0x6b, 0x65, 0x79,
+	0x18, 0x19, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x61, 0x6c, 0x69, 0x79, 0x75, 0x6e, 0x41, 0x63,
+	0x63, 0x65, 0x73, 0x73, 0x4b, 0x65, 0x79, 0x12, 0x2a, 0x0a, 0x11, 0x61, 0x6c, 0x69, 0x79, 0x75,
+	0x6e, 0x5f, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x1a, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x0f, 0x61, 0x6c, 0x69, 0x79, 0x75, 0x6e, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74,
+	0x4b, 0x65, 0x79, 0x12, 0x27, 0x0a, 0x0f, 0x61, 0x6c, 0x69, 0x79, 0x75, 0x6e, 0x5f, 0x65, 0x6e,
+	0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18, 0x1b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0e, 0x61, 0x6c,
+	0x69, 0x79, 0x75, 0x6e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x23, 0x0a, 0x0d,
+	0x61, 0x6c, 0x69, 0x79, 0x75, 0x6e, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x18, 0x1c, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x0c, 0x61, 0x6c, 0x69, 0x79, 0x75, 0x6e, 0x52, 0x65, 0x67, 0x69, 0x6f,
+	0x6e, 0x12, 0x2a, 0x0a, 0x11, 0x74, 0x65, 0x6e, 0x63, 0x65, 0x6e, 0x74, 0x5f, 0x73, 0x65, 0x63,
+	0x72, 0x65, 0x74, 0x5f, 0x69, 0x64, 0x18, 0x1e, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x74, 0x65,
+	0x6e, 0x63, 0x65, 0x6e, 0x74, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x49, 0x64, 0x12, 0x2c, 0x0a,
+	0x12, 0x74, 0x65, 0x6e, 0x63, 0x65, 0x6e, 0x74, 0x5f, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0x5f,
+	0x6b, 0x65, 0x79, 0x18, 0x1f, 0x20, 0x01, 0x28, 0x09, 0x52, 0x10, 0x74, 0x65, 0x6e, 0x63, 0x65,
+	0x6e, 0x74, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x12, 0x29, 0x0a, 0x10, 0x74,
+	0x65, 0x6e, 0x63, 0x65, 0x6e, 0x74, 0x5f, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18,
+	0x20, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x74, 0x65, 0x6e, 0x63, 0x65, 0x6e, 0x74, 0x45, 0x6e,
+	0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x28, 0x0a, 0x10, 0x62, 0x61, 0x69, 0x64, 0x75, 0x5f,
+	0x61, 0x63, 0x63, 0x65, 0x73, 0x73, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x23, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x0e, 0x62, 0x61, 0x69, 0x64, 0x75, 0x41, 0x63, 0x63, 0x65, 0x73, 0x73, 0x4b, 0x65, 0x79,
+	0x12, 0x28, 0x0a, 0x10, 0x62, 0x61, 0x69, 0x64, 0x75, 0x5f, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74,
+	0x5f, 0x6b, 0x65, 0x79, 0x18, 0x24, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0e, 0x62, 0x61, 0x69, 0x64,
+	0x75, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x12, 0x25, 0x0a, 0x0e, 0x62, 0x61,
+	0x69, 0x64, 0x75, 0x5f, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18, 0x25, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x0d, 0x62, 0x61, 0x69, 0x64, 0x75, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e,
+	0x74, 0x12, 0x21, 0x0a, 0x0c, 0x62, 0x61, 0x69, 0x64, 0x75, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f,
+	0x6e, 0x18, 0x26, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x62, 0x61, 0x69, 0x64, 0x75, 0x52, 0x65,
+	0x67, 0x69, 0x6f, 0x6e, 0x12, 0x2a, 0x0a, 0x11, 0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x5f, 0x61,
+	0x63, 0x63, 0x65, 0x73, 0x73, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x28, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x0f, 0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x41, 0x63, 0x63, 0x65, 0x73, 0x73, 0x4b, 0x65, 0x79,
+	0x12, 0x2a, 0x0a, 0x11, 0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x5f, 0x73, 0x65, 0x63, 0x72, 0x65,
+	0x74, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x29, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x77, 0x61, 0x73,
+	0x61, 0x62, 0x69, 0x53, 0x65, 0x63, 0x72, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x12, 0x27, 0x0a, 0x0f,
+	0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x5f, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x18,
+	0x2a, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0e, 0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x45, 0x6e, 0x64,
+	0x70, 0x6f, 0x69, 0x6e, 0x74, 0x12, 0x23, 0x0a, 0x0d, 0x77, 0x61, 0x73, 0x61, 0x62, 0x69, 0x5f,
+	0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x18, 0x2b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x77, 0x61,
+	0x73, 0x61, 0x62, 0x69, 0x52, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x12, 0x25, 0x0a, 0x0e, 0x68, 0x64,
+	0x66, 0x73, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x6e, 0x6f, 0x64, 0x65, 0x73, 0x18, 0x32, 0x20, 0x03,
+	0x28, 0x09, 0x52, 0x0d, 0x68, 0x64, 0x66, 0x73, 0x4e, 0x61, 0x6d, 0x65, 0x6e, 0x6f, 0x64, 0x65,
+	0x73, 0x12, 0x23, 0x0a, 0x0d, 0x68, 0x64, 0x66, 0x73, 0x5f, 0x75, 0x73, 0x65, 0x72, 0x6e, 0x61,
+	0x6d, 0x65, 0x18, 0x33, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x68, 0x64, 0x66, 0x73, 0x55, 0x73,
+	0x65, 0x72, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x3d, 0x0a, 0x1b, 0x68, 0x64, 0x66, 0x73, 0x5f, 0x73,
+	0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x5f, 0x70, 0x72, 0x69, 0x6e, 0x63, 0x69, 0x70, 0x61, 0x6c,
+	0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x34, 0x20, 0x01, 0x28, 0x09, 0x52, 0x18, 0x68, 0x64, 0x66,
+	0x73, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x50, 0x72, 0x69, 0x6e, 0x63, 0x69, 0x70, 0x61,
+	0x6c, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x41, 0x0a, 0x1d, 0x68, 0x64, 0x66, 0x73, 0x5f, 0x64, 0x61,
+	0x74, 0x61, 0x5f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x5f, 0x70, 0x72, 0x6f, 0x74,
+	0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x35, 0x20, 0x01, 0x28, 0x09, 0x52, 0x1a, 0x68, 0x64,
+	0x66, 0x73, 0x44, 0x61, 0x74, 0x61, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x50, 0x72,
+	0x6f, 0x74, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x22, 0xc0, 0x01, 0x0a, 0x14, 0x52, 0x65, 0x6d,
+	0x6f, 0x74, 0x65, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x4d, 0x61, 0x70, 0x70, 0x69, 0x6e,
+	0x67, 0x12, 0x49, 0x0a, 0x08, 0x6d, 0x61, 0x70, 0x70, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x01, 0x20,
+	0x03, 0x28, 0x0b, 0x32, 0x2d, 0x2e, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x2e,
+	0x52, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x4d, 0x61, 0x70,
+	0x70, 0x69, 0x6e, 0x67, 0x2e, 0x4d, 0x61, 0x70, 0x70, 0x69, 0x6e, 0x67, 0x73, 0x45, 0x6e, 0x74,
+	0x72, 0x79, 0x52, 0x08, 0x6d, 0x61, 0x70, 0x70, 0x69, 0x6e, 0x67, 0x73, 0x1a, 0x5d, 0x0a, 0x0d,
+	0x4d, 0x61, 0x70, 0x70, 0x69, 0x6e, 0x67, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a,
+	0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12,
+	0x36, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20,
+	0x2e, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x2e, 0x52, 0x65, 0x6d, 0x6f, 0x74,
+	0x65, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x4c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x57, 0x0a, 0x15, 0x52,
+	0x65, 0x6d, 0x6f, 0x74, 0x65, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x4c, 0x6f, 0x63, 0x61,
+	0x74, 0x69, 0x6f, 0x6e, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x62, 0x75, 0x63, 0x6b,
+	0x65, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x62, 0x75, 0x63, 0x6b, 0x65, 0x74,
+	0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
+	0x70, 0x61, 0x74, 0x68, 0x42, 0x50, 0x0a, 0x10, 0x73, 0x65, 0x61, 0x77, 0x65, 0x65, 0x64, 0x66,
+	0x73, 0x2e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x42, 0x0a, 0x46, 0x69, 0x6c, 0x65, 0x72, 0x50,
+	0x72, 0x6f, 0x74, 0x6f, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
+	0x2f, 0x63, 0x68, 0x72, 0x69, 0x73, 0x6c, 0x75, 0x73, 0x66, 0x2f, 0x73, 0x65, 0x61, 0x77, 0x65,
+	0x65, 0x64, 0x66, 0x73, 0x2f, 0x77, 0x65, 0x65, 0x64, 0x2f, 0x70, 0x62, 0x2f, 0x72, 0x65, 0x6d,
+	0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_remote_proto_rawDescOnce sync.Once
+	file_remote_proto_rawDescData = file_remote_proto_rawDesc
+)
+
+func file_remote_proto_rawDescGZIP() []byte {
+	file_remote_proto_rawDescOnce.Do(func() {
+		file_remote_proto_rawDescData = protoimpl.X.CompressGZIP(file_remote_proto_rawDescData)
+	})
+	return file_remote_proto_rawDescData
+}
+
+var file_remote_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_remote_proto_goTypes = []interface{}{
+	(*RemoteConf)(nil),            // 0: remote_pb.RemoteConf
+	(*RemoteStorageMapping)(nil),  // 1: remote_pb.RemoteStorageMapping
+	(*RemoteStorageLocation)(nil), // 2: remote_pb.RemoteStorageLocation
+	nil,                           // 3: remote_pb.RemoteStorageMapping.MappingsEntry
+}
+var file_remote_proto_depIdxs = []int32{
+	3, // 0: remote_pb.RemoteStorageMapping.mappings:type_name -> remote_pb.RemoteStorageMapping.MappingsEntry
+	2, // 1: remote_pb.RemoteStorageMapping.MappingsEntry.value:type_name -> remote_pb.RemoteStorageLocation
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_remote_proto_init() }
+func file_remote_proto_init() {
+	if File_remote_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_remote_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteConf); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_remote_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteStorageMapping); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_remote_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteStorageLocation); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_remote_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_remote_proto_goTypes,
+		DependencyIndexes: file_remote_proto_depIdxs,
+		MessageInfos:      file_remote_proto_msgTypes,
+	}.Build()
+	File_remote_proto = out.File
+	file_remote_proto_rawDesc = nil
+	file_remote_proto_goTypes = nil
+	file_remote_proto_depIdxs = nil
+}
--- a/weed/pb/remote_pb/remote_pb_helper.go
+++ b/weed/pb/remote_pb/remote_pb_helper.go
@ -0,0 +1,8 @@
+package remote_pb
+
+import "github.com/golang/protobuf/proto"
+
+func (fp *RemoteStorageLocation) Key() interface{} {
+	key, _ := proto.Marshal(fp)
+	return string(key)
+}
--- a/weed/pb/volume_server.proto
+++ b/weed/pb/volume_server.proto
@ -3,6 +3,8 @@ syntax = "proto3";
 package volume_server_pb;
 option go_package = "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb";

+import "remote.proto";
+
 //////////////////////////////////////////////////

 service VolumeServer {
@ -473,14 +475,8 @@ message FetchAndWriteNeedleRequest {
    int64 offset = 4;
    int64 size = 5;
    // remote conf
-    string remote_type = 6;
-    string remote_name = 7;
-    string s3_access_key = 8;
-    string s3_secret_key = 9;
-    string s3_region = 10;
-    string s3_endpoint = 11;
-    string remote_bucket = 12;
-    string remote_path = 13;
+    remote_pb.RemoteConf remote_conf = 15;
+    remote_pb.RemoteStorageLocation remote_location = 16;
 }
 message FetchAndWriteNeedleResponse {
 }
--- a/weed/pb/volume_server_pb/volume_server.pb.go
+++ b/weed/pb/volume_server_pb/volume_server.pb.go
--- a/weed/remote_storage/azure/azure_storage_client.go
+++ b/weed/remote_storage/azure/azure_storage_client.go
@ -6,6 +6,7 @@ import (
 	"github.com/Azure/azure-storage-blob-go/azblob"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
@ -21,7 +22,11 @@ func init() {

 type azureRemoteStorageMaker struct{}

-func (s azureRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s azureRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s azureRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {

 	client := &azureRemoteStorageClient{
 		conf: conf,
@ -52,13 +57,13 @@ func (s azureRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage
 }

 type azureRemoteStorageClient struct {
-	conf       *filer_pb.RemoteConf
+	conf       *remote_pb.RemoteConf
 	serviceURL azblob.ServiceURL
 }

 var _ = remote_storage.RemoteStorageClient(&azureRemoteStorageClient{})

-func (az *azureRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
+func (az *azureRemoteStorageClient) Traverse(loc *remote_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {

 	pathKey := loc.Path[1:]
 	containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
@ -96,7 +101,7 @@ func (az *azureRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation

 	return
 }
-func (az *azureRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
+func (az *azureRemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {

 	key := loc.Path[1:]
 	containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
@ -119,11 +124,15 @@ func (az *azureRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation
 	return
 }

-func (az *azureRemoteStorageClient) WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
+func (az *azureRemoteStorageClient) WriteDirectory(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
 	return nil
 }

-func (az *azureRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
+func (az *azureRemoteStorageClient) RemoveDirectory(loc *remote_pb.RemoteStorageLocation) (err error) {
+	return nil
+}
+
+func (az *azureRemoteStorageClient) WriteFile(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {

 	key := loc.Path[1:]
 	containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
@ -155,7 +164,7 @@ func (az *azureRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocatio

 }

-func (az *azureRemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
+func (az *azureRemoteStorageClient) readFileRemoteEntry(loc *remote_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
 	key := loc.Path[1:]
 	containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
 	blobURL := containerURL.NewBlockBlobURL(key)
@ -183,7 +192,7 @@ func toMetadata(attributes map[string][]byte) map[string]string {
 	return metadata
 }

-func (az *azureRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
+func (az *azureRemoteStorageClient) UpdateFileMetadata(loc *remote_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
 	if reflect.DeepEqual(oldEntry.Extended, newEntry.Extended) {
 		return nil
 	}
@ -196,7 +205,7 @@ func (az *azureRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStora

 	return
 }
-func (az *azureRemoteStorageClient) DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error) {
+func (az *azureRemoteStorageClient) DeleteFile(loc *remote_pb.RemoteStorageLocation) (err error) {
 	key := loc.Path[1:]
 	containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
 	if _, err = containerURL.NewBlobURL(key).Delete(context.Background(),
--- a/weed/remote_storage/gcs/gcs_storage_client.go
+++ b/weed/remote_storage/gcs/gcs_storage_client.go
@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"google.golang.org/api/iterator"
@ -21,7 +22,11 @@ func init() {

 type gcsRemoteStorageMaker struct{}

-func (s gcsRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s gcsRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s gcsRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &gcsRemoteStorageClient{
 		conf: conf,
 	}
@ -48,13 +53,13 @@ func (s gcsRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.R
 }

 type gcsRemoteStorageClient struct {
-	conf *filer_pb.RemoteConf
+	conf *remote_pb.RemoteConf
 	client        *storage.Client
 }

 var _ = remote_storage.RemoteStorageClient(&gcsRemoteStorageClient{})

-func (gcs *gcsRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
+func (gcs *gcsRemoteStorageClient) Traverse(loc *remote_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {

 	pathKey := loc.Path[1:]

@ -86,7 +91,7 @@ func (gcs *gcsRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation,
 	}
 	return
 }
-func (gcs *gcsRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
+func (gcs *gcsRemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {

 	key := loc.Path[1:]
 	rangeReader, readErr := gcs.client.Bucket(loc.Bucket).Object(key).NewRangeReader(context.Background(), offset, size)
@ -102,11 +107,15 @@ func (gcs *gcsRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation,
 	return
 }

-func (gcs *gcsRemoteStorageClient) WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
+func (gcs *gcsRemoteStorageClient) WriteDirectory(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
 	return nil
 }

-func (gcs *gcsRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
+func (gcs *gcsRemoteStorageClient) RemoveDirectory(loc *remote_pb.RemoteStorageLocation) (err error) {
+	return nil
+}
+
+func (gcs *gcsRemoteStorageClient) WriteFile(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {

 	key := loc.Path[1:]

@ -125,7 +134,7 @@ func (gcs *gcsRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation

 }

-func (gcs *gcsRemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
+func (gcs *gcsRemoteStorageClient) readFileRemoteEntry(loc *remote_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
 	key := loc.Path[1:]
 	attr, err := gcs.client.Bucket(loc.Bucket).Object(key).Attrs(context.Background())

@ -150,7 +159,7 @@ func toMetadata(attributes map[string][]byte) map[string]string {
 	return metadata
 }

-func (gcs *gcsRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
+func (gcs *gcsRemoteStorageClient) UpdateFileMetadata(loc *remote_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
 	if reflect.DeepEqual(oldEntry.Extended, newEntry.Extended) {
 		return nil
 	}
@ -168,7 +177,7 @@ func (gcs *gcsRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorag

 	return
 }
-func (gcs *gcsRemoteStorageClient) DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error) {
+func (gcs *gcsRemoteStorageClient) DeleteFile(loc *remote_pb.RemoteStorageLocation) (err error) {
 	key := loc.Path[1:]
 	if err = gcs.client.Bucket(loc.Bucket).Object(key).Delete(context.Background()); err != nil {
 		return fmt.Errorf("gcs delete %s%s: %v", loc.Bucket, key, err)
--- a/weed/remote_storage/hdfs/hdfs_kerberos.go
+++ b/weed/remote_storage/hdfs/hdfs_kerberos.go
@ -0,0 +1,55 @@
+package hdfs
+
+import (
+	"fmt"
+	"os"
+	"os/user"
+	"strings"
+
+	krb "github.com/jcmturner/gokrb5/v8/client"
+	"github.com/jcmturner/gokrb5/v8/config"
+	"github.com/jcmturner/gokrb5/v8/credentials"
+)
+
+// copy-paste from https://github.com/colinmarc/hdfs/blob/master/cmd/hdfs/kerberos.go
+func getKerberosClient() (*krb.Client, error) {
+	configPath := os.Getenv("KRB5_CONFIG")
+	if configPath == "" {
+		configPath = "/etc/krb5.conf"
+	}
+
+	cfg, err := config.Load(configPath)
+	if err != nil {
+		return nil, err
+	}
+
+	// Determine the ccache location from the environment, falling back to the
+	// default location.
+	ccachePath := os.Getenv("KRB5CCNAME")
+	if strings.Contains(ccachePath, ":") {
+		if strings.HasPrefix(ccachePath, "FILE:") {
+			ccachePath = strings.SplitN(ccachePath, ":", 2)[1]
+		} else {
+			return nil, fmt.Errorf("unusable ccache: %s", ccachePath)
+		}
+	} else if ccachePath == "" {
+		u, err := user.Current()
+		if err != nil {
+			return nil, err
+		}
+
+		ccachePath = fmt.Sprintf("/tmp/krb5cc_%s", u.Uid)
+	}
+
+	ccache, err := credentials.LoadCCache(ccachePath)
+	if err != nil {
+		return nil, err
+	}
+
+	client, err := krb.NewFromCCache(ccache, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	return client, nil
+}
--- a/weed/remote_storage/hdfs/hdfs_storage_client.go
+++ b/weed/remote_storage/hdfs/hdfs_storage_client.go
@ -0,0 +1,178 @@
+package hdfs
+
+import (
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
+	"github.com/chrislusf/seaweedfs/weed/remote_storage"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/colinmarc/hdfs/v2"
+	"io"
+	"os"
+	"path"
+)
+
+func init() {
+	remote_storage.RemoteStorageClientMakers["hdfs"] = new(hdfsRemoteStorageMaker)
+}
+
+type hdfsRemoteStorageMaker struct{}
+
+func (s hdfsRemoteStorageMaker) HasBucket() bool {
+	return false
+}
+
+func (s hdfsRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+	client := &hdfsRemoteStorageClient{
+		conf: conf,
+	}
+
+	options := hdfs.ClientOptions{
+		Addresses:           conf.HdfsNamenodes,
+		UseDatanodeHostname: false,
+	}
+
+	if conf.HdfsServicePrincipalName != "" {
+		var err error
+		options.KerberosClient, err = getKerberosClient()
+		if err != nil {
+			return nil, fmt.Errorf("get kerberos authentication: %s", err)
+		}
+		options.KerberosServicePrincipleName = conf.HdfsServicePrincipalName
+
+		if conf.HdfsDataTransferProtection != "" {
+			options.DataTransferProtection = conf.HdfsDataTransferProtection
+		}
+	} else {
+		options.User = conf.HdfsUsername
+	}
+
+	c, err := hdfs.NewClient(options)
+	if err != nil {
+		return nil, err
+	}
+
+	client.client = c
+	return client, nil
+}
+
+type hdfsRemoteStorageClient struct {
+	conf   *remote_pb.RemoteConf
+	client *hdfs.Client
+}
+
+var _ = remote_storage.RemoteStorageClient(&hdfsRemoteStorageClient{})
+
+func (c *hdfsRemoteStorageClient) Traverse(loc *remote_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
+
+	return remote_storage.TraverseBfs(func(parentDir util.FullPath, visitFn remote_storage.VisitFunc) error {
+		children, err := c.client.ReadDir(string(parentDir))
+		if err != nil {
+			return err
+		}
+		for _, child := range children {
+			if err := visitFn(string(parentDir), child.Name(), child.IsDir(), &filer_pb.RemoteEntry{
+				StorageName:       c.conf.Name,
+				LastLocalSyncTsNs: 0,
+				RemoteETag:        "",
+				RemoteMtime:       child.ModTime().Unix(),
+				RemoteSize:        child.Size(),
+			}); err != nil {
+				return nil
+			}
+		}
+		return nil
+	}, util.FullPath(loc.Path), visitFn)
+
+}
+func (c *hdfsRemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
+
+	f, err := c.client.Open(loc.Path)
+	if err != nil {
+		return
+	}
+	defer f.Close()
+	data = make([]byte, size)
+	_, err = f.ReadAt(data, offset)
+
+	return
+
+}
+
+func (c *hdfsRemoteStorageClient) WriteDirectory(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
+	return c.client.MkdirAll(loc.Path, os.FileMode(entry.Attributes.FileMode))
+}
+
+func (c *hdfsRemoteStorageClient) RemoveDirectory(loc *remote_pb.RemoteStorageLocation) (err error) {
+	return c.client.RemoveAll(loc.Path)
+}
+
+func (c *hdfsRemoteStorageClient) WriteFile(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
+
+	dirname := path.Dir(loc.Path)
+
+	// ensure parent directory
+	if err = c.client.MkdirAll(dirname, 0755); err != nil {
+		return
+	}
+
+	// remove existing file
+	info, err := c.client.Stat(loc.Path)
+	if err == nil {
+		err = c.client.Remove(loc.Path)
+		if err != nil {
+			return
+		}
+	}
+
+	// create new file
+	out, err := c.client.Create(loc.Path)
+	if err != nil {
+		return
+	}
+
+	cleanup := func() {
+		if removeErr := c.client.Remove(loc.Path); removeErr != nil {
+			glog.Errorf("clean up %s%s: %v", loc.Name, loc.Path, removeErr)
+		}
+	}
+
+	if _, err = io.Copy(out, reader); err != nil {
+		cleanup()
+		return
+	}
+
+	if err = out.Close(); err != nil {
+		cleanup()
+		return
+	}
+
+	info, err = c.client.Stat(loc.Path)
+	if err != nil {
+		return
+	}
+
+	return &filer_pb.RemoteEntry{
+		RemoteMtime: info.ModTime().Unix(),
+		RemoteSize:  info.Size(),
+		RemoteETag:  "",
+		StorageName: c.conf.Name,
+	}, nil
+
+}
+
+func (c *hdfsRemoteStorageClient) UpdateFileMetadata(loc *remote_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) error {
+	if oldEntry.Attributes.FileMode != newEntry.Attributes.FileMode {
+		if err := c.client.Chmod(loc.Path, os.FileMode(newEntry.Attributes.FileMode)); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+func (c *hdfsRemoteStorageClient) DeleteFile(loc *remote_pb.RemoteStorageLocation) (err error) {
+	if err = c.client.Remove(loc.Path); err != nil {
+		return fmt.Errorf("hdfs delete %s: %v", loc.Path, err)
+	}
+	return
+}
--- a/weed/remote_storage/remote_storage.go
+++ b/weed/remote_storage/remote_storage.go
@ -3,13 +3,25 @@ package remote_storage
 import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"io"
 	"strings"
 	"sync"
 )

-func ParseLocation(remote string) (loc *filer_pb.RemoteStorageLocation) {
-	loc = &filer_pb.RemoteStorageLocation{}
+func ParseLocationName(remote string) (locationName string) {
+	if strings.HasSuffix(string(remote), "/") {
+		remote = remote[:len(remote)-1]
+	}
+	parts := strings.SplitN(string(remote), "/", 2)
+	if len(parts) >= 1 {
+		return parts[0]
+	}
+	return
+}
+
+func parseBucketLocation(remote string) (loc *remote_pb.RemoteStorageLocation) {
+	loc = &remote_pb.RemoteStorageLocation{}
 	if strings.HasSuffix(string(remote), "/") {
 		remote = remote[:len(remote)-1]
 	}
@ -27,23 +39,41 @@ func ParseLocation(remote string) (loc *filer_pb.RemoteStorageLocation) {
 	return
 }

-func FormatLocation(loc *filer_pb.RemoteStorageLocation) string {
+func parseNoBucketLocation(remote string) (loc *remote_pb.RemoteStorageLocation) {
+	loc = &remote_pb.RemoteStorageLocation{}
+	if strings.HasSuffix(string(remote), "/") {
+		remote = remote[:len(remote)-1]
+	}
+	parts := strings.SplitN(string(remote), "/", 2)
+	if len(parts) >= 1 {
+		loc.Name = parts[0]
+	}
+	loc.Path = string(remote[len(loc.Name):])
+	if loc.Path == "" {
+		loc.Path = "/"
+	}
+	return
+}
+
+func FormatLocation(loc *remote_pb.RemoteStorageLocation) string {
 	return fmt.Sprintf("%s/%s%s", loc.Name, loc.Bucket, loc.Path)
 }

 type VisitFunc func(dir string, name string, isDirectory bool, remoteEntry *filer_pb.RemoteEntry) error

 type RemoteStorageClient interface {
-	Traverse(loc *filer_pb.RemoteStorageLocation, visitFn VisitFunc) error
-	ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error)
-	WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error)
-	WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error)
-	UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error)
-	DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error)
+	Traverse(loc *remote_pb.RemoteStorageLocation, visitFn VisitFunc) error
+	ReadFile(loc *remote_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error)
+	WriteDirectory(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error)
+	RemoveDirectory(loc *remote_pb.RemoteStorageLocation) (err error)
+	WriteFile(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error)
+	UpdateFileMetadata(loc *remote_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error)
+	DeleteFile(loc *remote_pb.RemoteStorageLocation) (err error)
 }

 type RemoteStorageClientMaker interface {
-	Make(remoteConf *filer_pb.RemoteConf) (RemoteStorageClient, error)
+	Make(remoteConf *remote_pb.RemoteConf) (RemoteStorageClient, error)
+	HasBucket() bool
 }

 var (
@ -52,7 +82,19 @@ var (
 	remoteStorageClientsLock  sync.Mutex
 )

-func makeRemoteStorageClient(remoteConf *filer_pb.RemoteConf) (RemoteStorageClient, error) {
+func ParseRemoteLocation(remoteConfType string, remote string) (remoteStorageLocation *remote_pb.RemoteStorageLocation, err error) {
+	maker, found := RemoteStorageClientMakers[remoteConfType]
+	if !found {
+		return nil, fmt.Errorf("remote storage type %s not found", remoteConfType)
+	}
+
+	if !maker.HasBucket() {
+		return parseNoBucketLocation(remote), nil
+	}
+	return parseBucketLocation(remote), nil
+}
+
+func makeRemoteStorageClient(remoteConf *remote_pb.RemoteConf) (RemoteStorageClient, error) {
 	maker, found := RemoteStorageClientMakers[remoteConf.Type]
 	if !found {
 		return nil, fmt.Errorf("remote storage type %s not found", remoteConf.Type)
@ -60,7 +102,7 @@ func makeRemoteStorageClient(remoteConf *filer_pb.RemoteConf) (RemoteStorageClie
 	return maker.Make(remoteConf)
 }

-func GetRemoteStorage(remoteConf *filer_pb.RemoteConf) (RemoteStorageClient, error) {
+func GetRemoteStorage(remoteConf *remote_pb.RemoteConf) (RemoteStorageClient, error) {
 	remoteStorageClientsLock.Lock()
 	defer remoteStorageClientsLock.Unlock()

--- a/weed/remote_storage/s3/aliyun.go
+++ b/weed/remote_storage/s3/aliyun.go
@ -6,7 +6,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"os"
@ -18,7 +18,11 @@ func init() {

 type AliyunRemoteStorageMaker struct{}

-func (s AliyunRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s AliyunRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s AliyunRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &s3RemoteStorageClient{
 		conf: conf,
 	}
@ -29,6 +33,7 @@ func (s AliyunRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storag
 		Endpoint:         aws.String(conf.AliyunEndpoint),
 		Region:           aws.String(conf.AliyunRegion),
 		S3ForcePathStyle: aws.Bool(false),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if accessKey != "" && secretKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(accessKey, secretKey, "")
@ -38,6 +43,7 @@ func (s AliyunRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storag
 	if err != nil {
 		return nil, fmt.Errorf("create aliyun session: %v", err)
 	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
 	client.conn = s3.New(sess)
 	return client, nil
 }
--- a/weed/remote_storage/s3/backblaze.go
+++ b/weed/remote_storage/s3/backblaze.go
@ -6,7 +6,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 )

@ -16,7 +16,11 @@ func init() {

 type BackBlazeRemoteStorageMaker struct{}

-func (s BackBlazeRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s BackBlazeRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s BackBlazeRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &s3RemoteStorageClient{
 		conf: conf,
 	}
@ -24,6 +28,7 @@ func (s BackBlazeRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_sto
 		Endpoint:         aws.String(conf.BackblazeEndpoint),
 		Region:           aws.String("us-west-002"),
 		S3ForcePathStyle: aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if conf.BackblazeKeyId != "" && conf.BackblazeApplicationKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(conf.BackblazeKeyId, conf.BackblazeApplicationKey, "")
@ -33,6 +38,7 @@ func (s BackBlazeRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_sto
 	if err != nil {
 		return nil, fmt.Errorf("create backblaze session: %v", err)
 	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
 	client.conn = s3.New(sess)
 	return client, nil
 }
--- a/weed/remote_storage/s3/baidu.go
+++ b/weed/remote_storage/s3/baidu.go
@ -6,7 +6,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"os"
@ -18,7 +18,11 @@ func init() {

 type BaiduRemoteStorageMaker struct{}

-func (s BaiduRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s BaiduRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s BaiduRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &s3RemoteStorageClient{
 		conf: conf,
 	}
@ -29,6 +33,7 @@ func (s BaiduRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage
 		Endpoint:         aws.String(conf.BaiduEndpoint),
 		Region:           aws.String(conf.BaiduRegion),
 		S3ForcePathStyle: aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if accessKey != "" && secretKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(accessKey, secretKey, "")
@ -38,6 +43,7 @@ func (s BaiduRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage
 	if err != nil {
 		return nil, fmt.Errorf("create baidu session: %v", err)
 	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
 	client.conn = s3.New(sess)
 	return client, nil
 }
--- a/weed/remote_storage/s3/s3_storage_client.go
+++ b/weed/remote_storage/s3/s3_storage_client.go
@ -10,6 +10,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/s3/s3manager"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
@ -22,14 +23,19 @@ func init() {

 type s3RemoteStorageMaker struct{}

-func (s s3RemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s s3RemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s s3RemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &s3RemoteStorageClient{
 		conf: conf,
 	}
 	config := &aws.Config{
-		Region:           aws.String(conf.S3Region),
-		Endpoint:         aws.String(conf.S3Endpoint),
-		S3ForcePathStyle: aws.Bool(conf.S3ForcePathStyle),
+		Region:                        aws.String(conf.S3Region),
+		Endpoint:                      aws.String(conf.S3Endpoint),
+		S3ForcePathStyle:              aws.Bool(conf.S3ForcePathStyle),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if conf.S3AccessKey != "" && conf.S3SecretKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(conf.S3AccessKey, conf.S3SecretKey, "")
@ -39,18 +45,19 @@ func (s s3RemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.Re
 	if err != nil {
 		return nil, fmt.Errorf("create aws session: %v", err)
 	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
 	client.conn = s3.New(sess)
 	return client, nil
 }

 type s3RemoteStorageClient struct {
-	conf *filer_pb.RemoteConf
+	conf *remote_pb.RemoteConf
 	conn s3iface.S3API
 }

 var _ = remote_storage.RemoteStorageClient(&s3RemoteStorageClient{})

-func (s *s3RemoteStorageClient) Traverse(remote *filer_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
+func (s *s3RemoteStorageClient) Traverse(remote *remote_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {

 	pathKey := remote.Path[1:]

@ -92,7 +99,7 @@ func (s *s3RemoteStorageClient) Traverse(remote *filer_pb.RemoteStorageLocation,
 	}
 	return
 }
-func (s *s3RemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
+func (s *s3RemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
 	downloader := s3manager.NewDownloaderWithClient(s.conn, func(u *s3manager.Downloader) {
 		u.PartSize = int64(4 * 1024 * 1024)
 		u.Concurrency = 1
@ -113,11 +120,15 @@ func (s *s3RemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, of
 	return writerAt.Bytes(), nil
 }

-func (s *s3RemoteStorageClient) WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
+func (s *s3RemoteStorageClient) WriteDirectory(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
 	return nil
 }

-func (s *s3RemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
+func (s *s3RemoteStorageClient) RemoveDirectory(loc *remote_pb.RemoteStorageLocation) (err error) {
+	return nil
+}
+
+func (s *s3RemoteStorageClient) WriteFile(loc *remote_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {

 	fileSize := int64(filer.FileSize(entry))

@ -129,7 +140,7 @@ func (s *s3RemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, e
 	// Create an uploader with the session and custom options
 	uploader := s3manager.NewUploaderWithClient(s.conn, func(u *s3manager.Uploader) {
 		u.PartSize = partSize
-		u.Concurrency = 5
+		u.Concurrency = 1
 	})

 	// process tagging
@ -152,7 +163,7 @@ func (s *s3RemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, e

 	//in case it fails to upload
 	if err != nil {
-		return nil, fmt.Errorf("upload to s3 %s/%s%s: %v", loc.Name, loc.Bucket, loc.Path, err)
+		return nil, fmt.Errorf("upload to %s/%s%s: %v", loc.Name, loc.Bucket, loc.Path, err)
 	}

 	// read back the remote entry
@ -171,7 +182,7 @@ func toTagging(attributes map[string][]byte) *s3.Tagging {
 	return tagging
 }

-func (s *s3RemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
+func (s *s3RemoteStorageClient) readFileRemoteEntry(loc *remote_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
 	resp, err := s.conn.HeadObject(&s3.HeadObjectInput{
 		Bucket: aws.String(loc.Bucket),
 		Key:    aws.String(loc.Path[1:]),
@ -189,7 +200,7 @@ func (s *s3RemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageL

 }

-func (s *s3RemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
+func (s *s3RemoteStorageClient) UpdateFileMetadata(loc *remote_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
 	if reflect.DeepEqual(oldEntry.Extended, newEntry.Extended) {
 		return nil
 	}
@ -208,7 +219,7 @@ func (s *s3RemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLo
 	}
 	return
 }
-func (s *s3RemoteStorageClient) DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error) {
+func (s *s3RemoteStorageClient) DeleteFile(loc *remote_pb.RemoteStorageLocation) (err error) {
 	_, err = s.conn.DeleteObject(&s3.DeleteObjectInput{
 		Bucket: aws.String(loc.Bucket),
 		Key:    aws.String(loc.Path[1:]),
--- a/weed/remote_storage/s3/tencent.go
+++ b/weed/remote_storage/s3/tencent.go
@ -6,7 +6,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"os"
@ -18,7 +18,11 @@ func init() {

 type TencentRemoteStorageMaker struct{}

-func (s TencentRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+func (s TencentRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s TencentRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
 	client := &s3RemoteStorageClient{
 		conf: conf,
 	}
@ -27,7 +31,9 @@ func (s TencentRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_stora

 	config := &aws.Config{
 		Endpoint:         aws.String(conf.TencentEndpoint),
+		Region:           aws.String("us-west-2"),
 		S3ForcePathStyle: aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if accessKey != "" && secretKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(accessKey, secretKey, "")
@ -37,6 +43,7 @@ func (s TencentRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_stora
 	if err != nil {
 		return nil, fmt.Errorf("create tencent session: %v", err)
 	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
 	client.conn = s3.New(sess)
 	return client, nil
 }
--- a/weed/remote_storage/s3/wasabi.go
+++ b/weed/remote_storage/s3/wasabi.go
@ -0,0 +1,61 @@
+package s3
+
+import (
+	"fmt"
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/s3"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
+	"github.com/chrislusf/seaweedfs/weed/remote_storage"
+	"github.com/chrislusf/seaweedfs/weed/util"
+)
+
+func init() {
+	remote_storage.RemoteStorageClientMakers["wasabi"] = new(WasabiRemoteStorageMaker)
+}
+
+type WasabiRemoteStorageMaker struct{}
+
+func (s WasabiRemoteStorageMaker) HasBucket() bool {
+	return true
+}
+
+func (s WasabiRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
+	client := &s3RemoteStorageClient{
+		conf: conf,
+	}
+	accessKey := util.Nvl(conf.WasabiAccessKey)
+	secretKey := util.Nvl(conf.WasabiSecretKey)
+
+	config := &aws.Config{
+		Endpoint:                      aws.String(conf.WasabiEndpoint),
+		Region:                        aws.String(conf.WasabiRegion),
+		S3ForcePathStyle:              aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
+	}
+	if accessKey != "" && secretKey != "" {
+		config.Credentials = credentials.NewStaticCredentials(accessKey, secretKey, "")
+	}
+
+	sess, err := session.NewSession(config)
+	if err != nil {
+		return nil, fmt.Errorf("create wasabi session: %v", err)
+	}
+	sess.Handlers.Build.PushFront(skipSha256PayloadSigning)
+	client.conn = s3.New(sess)
+	return client, nil
+}
+
+var skipSha256PayloadSigning = func(r *request.Request) {
+	// see https://github.com/ceph/ceph/pull/15965/files
+	if r.ClientInfo.ServiceID != "S3" {
+		return
+	}
+	if r.Operation.Name == "PutObject" || r.Operation.Name == "UploadPart" {
+		if len(r.HTTPRequest.Header.Get("X-Amz-Content-Sha256")) == 0 {
+			r.HTTPRequest.Header.Set("X-Amz-Content-Sha256", "UNSIGNED-PAYLOAD")
+		}
+	}
+}
--- a/weed/remote_storage/traverse_bfs.go
+++ b/weed/remote_storage/traverse_bfs.go
@ -0,0 +1,62 @@
+package remote_storage
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"sync"
+	"time"
+)
+
+type ListDirectoryFunc func(parentDir util.FullPath, visitFn VisitFunc) error
+
+func TraverseBfs(listDirFn ListDirectoryFunc, parentPath util.FullPath, visitFn VisitFunc) (err error) {
+	K := 5
+
+	var dirQueueWg sync.WaitGroup
+	dirQueue := util.NewQueue()
+	dirQueueWg.Add(1)
+	dirQueue.Enqueue(parentPath)
+	var isTerminating bool
+
+	for i := 0; i < K; i++ {
+		go func() {
+			for {
+				if isTerminating {
+					break
+				}
+				t := dirQueue.Dequeue()
+				if t == nil {
+					time.Sleep(329 * time.Millisecond)
+					continue
+				}
+				dir := t.(util.FullPath)
+				processErr := processOneDirectory(listDirFn, dir, visitFn, dirQueue, &dirQueueWg)
+				if processErr != nil {
+					err = processErr
+				}
+				dirQueueWg.Done()
+			}
+		}()
+	}
+
+	dirQueueWg.Wait()
+	isTerminating = true
+	return
+
+}
+
+func processOneDirectory(listDirFn ListDirectoryFunc, parentPath util.FullPath, visitFn VisitFunc, dirQueue *util.Queue, dirQueueWg *sync.WaitGroup) (error) {
+
+	return listDirFn(parentPath, func(dir string, name string, isDirectory bool, remoteEntry *filer_pb.RemoteEntry) error {
+		if err := visitFn(dir, name, isDirectory, remoteEntry); err != nil {
+			return err
+		}
+		if !isDirectory {
+			return nil
+		}
+		dirQueueWg.Add(1)
+		dirQueue.Enqueue(parentPath.Child(name))
+		return nil
+	})
+
+}
--- a/weed/replication/sink/s3sink/s3_sink.go
+++ b/weed/replication/sink/s3sink/s3_sink.go
@ -77,6 +77,7 @@ func (s3sink *S3Sink) initialize(awsAccessKeyId, awsSecretAccessKey, region, buc
 		Region:           aws.String(s3sink.region),
 		Endpoint:         aws.String(s3sink.endpoint),
 		S3ForcePathStyle: aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if awsAccessKeyId != "" && awsSecretAccessKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(awsAccessKeyId, awsSecretAccessKey, "")
--- a/weed/replication/sub/notification_aws_sqs.go
+++ b/weed/replication/sub/notification_aws_sqs.go
@ -42,6 +42,7 @@ func (k *AwsSqsInput) initialize(awsAccessKeyId, awsSecretAccessKey, region, que

 	config := &aws.Config{
 		Region: aws.String(region),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if awsAccessKeyId != "" && awsSecretAccessKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(awsAccessKeyId, awsSecretAccessKey, "")
--- a/weed/server/filer_grpc_server.go
+++ b/weed/server/filer_grpc_server.go
@ -384,6 +384,8 @@ func (fs *FilerServer) Statistics(ctx context.Context, req *filer_pb.StatisticsR

 func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.GetFilerConfigurationRequest) (resp *filer_pb.GetFilerConfigurationResponse, err error) {

+	clusterId, _ := fs.filer.Store.KvGet(context.Background(), []byte("clusterId"))
+
 	t := &filer_pb.GetFilerConfigurationResponse{
 		Masters:            fs.option.Masters,
 		Collection:         fs.option.Collection,
@ -395,6 +397,7 @@ func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.
 		MetricsAddress:     fs.metricsAddress,
 		MetricsIntervalSec: int32(fs.metricsIntervalSec),
 		Version:            util.Version(),
+		ClusterId:          string(clusterId),
 	}

 	glog.V(4).Infof("GetFilerConfiguration: %v", t)
--- a/weed/server/filer_grpc_server_remote.go
+++ b/weed/server/filer_grpc_server_remote.go
@ -6,11 +6,13 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/operation"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/proto"
 	"strings"
+	"sync"
 	"time"
 )

@ -27,7 +29,7 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 	}

 	// find mapping
-	var remoteStorageMountedLocation *filer_pb.RemoteStorageLocation
+	var remoteStorageMountedLocation *remote_pb.RemoteStorageLocation
 	var localMountedDir string
 	for k, loc := range mappings.Mappings {
 		if strings.HasPrefix(req.Directory, k) {
@ -43,7 +45,7 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 	if err != nil {
 		return nil, err
 	}
-	storageConf := &filer_pb.RemoteConf{}
+	storageConf := &remote_pb.RemoteConf{}
 	if unMarshalErr := proto.Unmarshal(storageConfEntry.Content, storageConf); unMarshalErr != nil {
 		return nil, fmt.Errorf("unmarshal remote storage conf %s/%s: %v", filer.DirectoryEtcRemote, remoteStorageMountedLocation.Name+filer.REMOTE_STORAGE_CONF_SUFFIX, unMarshalErr)
 	}
@ -79,12 +81,15 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo

 	var chunks []*filer_pb.FileChunk
 	var fetchAndWriteErr error
+	var wg sync.WaitGroup

 	limitedConcurrentExecutor := util.NewLimitedConcurrentExecutor(8)
 	for offset := int64(0); offset < entry.Remote.RemoteSize; offset += chunkSize {
 		localOffset := offset

+		wg.Add(1)
 		limitedConcurrentExecutor.Execute(func() {
+			defer wg.Done()
 			size := chunkSize
 			if localOffset+chunkSize > entry.Remote.RemoteSize {
 				size = entry.Remote.RemoteSize - localOffset
@ -114,14 +119,12 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 					Cookie:       uint32(fileId.Cookie),
 					Offset:       localOffset,
 					Size:         size,
-					RemoteType:   storageConf.Type,
-					RemoteName:   storageConf.Name,
-					S3AccessKey:  storageConf.S3AccessKey,
-					S3SecretKey:  storageConf.S3SecretKey,
-					S3Region:     storageConf.S3Region,
-					S3Endpoint:   storageConf.S3Endpoint,
-					RemoteBucket: remoteStorageMountedLocation.Bucket,
-					RemotePath:   string(dest),
+					RemoteConf: storageConf,
+					RemoteLocation: &remote_pb.RemoteStorageLocation{
+						Name:   remoteStorageMountedLocation.Name,
+						Bucket: remoteStorageMountedLocation.Bucket,
+						Path:   string(dest),
+					},
 				})
 				if fetchAndWriteErr != nil {
 					return fmt.Errorf("volume server %s fetchAndWrite %s: %v", assignResult.Url, dest, fetchAndWriteErr)
@ -129,7 +132,7 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 				return nil
 			})

-			if err != nil {
+			if err != nil && fetchAndWriteErr == nil {
 				fetchAndWriteErr = err
 				return
 			}
@ -148,6 +151,7 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 		})
 	}

+	wg.Wait()
 	if fetchAndWriteErr != nil {
 		return nil, fetchAndWriteErr
 	}
--- a/weed/server/volume_grpc_erasure_coding.go
+++ b/weed/server/volume_grpc_erasure_coding.go
@ -3,6 +3,7 @@ package weed_server
 import (
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 	"io"
 	"io/ioutil"
 	"math"
@ -12,7 +13,6 @@ import (

 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/operation"
-	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage"
 	"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
@ -60,7 +60,7 @@ func (vs *VolumeServer) VolumeEcShardsGenerate(ctx context.Context, req *volume_
 	}

 	// write .vif files
-	if err := pb.SaveVolumeInfo(baseFileName+".vif", &volume_server_pb.VolumeInfo{Version: uint32(v.Version())}); err != nil {
+	if err := volume_info.SaveVolumeInfo(baseFileName+".vif", &volume_server_pb.VolumeInfo{Version: uint32(v.Version())}); err != nil {
 		return nil, fmt.Errorf("WriteEcFiles %s: %v", baseFileName, err)
 	}

--- a/weed/server/volume_grpc_remote.go
+++ b/weed/server/volume_grpc_remote.go
@ -3,7 +3,6 @@ package weed_server
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
@ -17,25 +16,15 @@ func (vs *VolumeServer) FetchAndWriteNeedle(ctx context.Context, req *volume_ser
 		return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
 	}

-	remoteConf := &filer_pb.RemoteConf{
-		Type:        req.RemoteType,
-		Name:        req.RemoteName,
-		S3AccessKey: req.S3AccessKey,
-		S3SecretKey: req.S3SecretKey,
-		S3Region:    req.S3Region,
-		S3Endpoint:  req.S3Endpoint,
-	}
+	remoteConf := req.RemoteConf

 	client, getClientErr := remote_storage.GetRemoteStorage(remoteConf)
 	if getClientErr != nil {
 		return nil, fmt.Errorf("get remote client: %v", getClientErr)
 	}

-	remoteStorageLocation := &filer_pb.RemoteStorageLocation{
-		Name:   req.RemoteName,
-		Bucket: req.RemoteBucket,
-		Path:   req.RemotePath,
-	}
+	remoteStorageLocation := req.RemoteLocation
+
 	data, ReadRemoteErr := client.ReadFile(remoteStorageLocation, req.Offset, req.Size)
 	if ReadRemoteErr != nil {
 		return nil, fmt.Errorf("read from remote %+v: %v", remoteStorageLocation, ReadRemoteErr)
--- a/weed/shell/command_remote_cache.go
+++ b/weed/shell/command_remote_cache.go
@ -5,8 +5,10 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
+	"sync"
 )

 func init() {
@ -49,6 +51,7 @@ func (c *commandRemoteCache) Do(args []string, commandEnv *CommandEnv, writer io
 	remoteMountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)

 	dir := remoteMountCommand.String("dir", "", "a directory in filer")
+	concurrency := remoteMountCommand.Int("concurrent", 32, "concurrent file downloading")
 	fileFiler := newFileFilter(remoteMountCommand)

 	if err = remoteMountCommand.Parse(args); err != nil {
@ -62,7 +65,7 @@ func (c *commandRemoteCache) Do(args []string, commandEnv *CommandEnv, writer io
 	}

 	// pull content from remote
-	if err = c.cacheContentData(commandEnv, writer, util.FullPath(localMountedDir), remoteStorageMountedLocation, util.FullPath(*dir), fileFiler, remoteStorageConf); err != nil {
+	if err = c.cacheContentData(commandEnv, writer, util.FullPath(localMountedDir), remoteStorageMountedLocation, util.FullPath(*dir), fileFiler, remoteStorageConf, *concurrency); err != nil {
 		return fmt.Errorf("cache content data: %v", err)
 	}

@ -110,15 +113,19 @@ func mayHaveCachedToLocal(entry *filer_pb.Entry) bool {
 	if entry.RemoteEntry == nil {
 		return false // should not uncache an entry that is not in remote
 	}
-	if entry.RemoteEntry.LastLocalSyncTsNs > 0 && len(entry.Chunks) > 0 {
+	if entry.RemoteEntry.LastLocalSyncTsNs > 0 {
 		return true
 	}
 	return false
 }

-func (c *commandRemoteCache) cacheContentData(commandEnv *CommandEnv, writer io.Writer, localMountedDir util.FullPath, remoteMountedLocation *filer_pb.RemoteStorageLocation, dirToCache util.FullPath, fileFilter *FileFilter, remoteConf *filer_pb.RemoteConf) error {
+func (c *commandRemoteCache) cacheContentData(commandEnv *CommandEnv, writer io.Writer, localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, dirToCache util.FullPath, fileFilter *FileFilter, remoteConf *remote_pb.RemoteConf, concurrency int) error {

-	return recursivelyTraverseDirectory(commandEnv, dirToCache, func(dir util.FullPath, entry *filer_pb.Entry) bool {
+	var wg sync.WaitGroup
+	limitedConcurrentExecutor := util.NewLimitedConcurrentExecutor(concurrency)
+	var executionErr error
+
+	traverseErr := recursivelyTraverseDirectory(commandEnv, dirToCache, func(dir util.FullPath, entry *filer_pb.Entry) bool {
 		if !shouldCacheToLocal(entry) {
 			return true // true means recursive traversal should continue
 		}
@ -127,15 +134,32 @@ func (c *commandRemoteCache) cacheContentData(commandEnv *CommandEnv, writer io.
 			return true
 		}

-		println(dir, entry.Name)
+		wg.Add(1)
+		limitedConcurrentExecutor.Execute(func() {
+			defer wg.Done()
+			fmt.Fprintf(writer, "Cache %+v ...\n", dir.Child(entry.Name))

-		remoteLocation := filer.MapFullPathToRemoteStorageLocation(localMountedDir, remoteMountedLocation, dir.Child(entry.Name))
+			remoteLocation := filer.MapFullPathToRemoteStorageLocation(localMountedDir, remoteMountedLocation, dir.Child(entry.Name))

-		if err := filer.DownloadToLocal(commandEnv, remoteConf, remoteLocation, dir, entry); err != nil {
-			fmt.Fprintf(writer, "DownloadToLocal %+v: %v\n", remoteLocation, err)
-			return false
-		}
+			if err := filer.DownloadToLocal(commandEnv, remoteConf, remoteLocation, dir, entry); err != nil {
+				fmt.Fprintf(writer, "DownloadToLocal %+v: %v\n", remoteLocation, err)
+				if executionErr == nil {
+					executionErr = fmt.Errorf("DownloadToLocal %+v: %v\n", remoteLocation, err)
+				}
+				return
+			}
+			fmt.Fprintf(writer, "Cache %+v Done\n", dir.Child(entry.Name))
+		})

 		return true
 	})
+	wg.Wait()
+
+	if traverseErr != nil {
+		return traverseErr
+	}
+	if executionErr != nil {
+		return executionErr
+	}
+	return nil
 }
--- a/weed/shell/command_remote_configure.go
+++ b/weed/shell/command_remote_configure.go
@ -6,6 +6,7 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/jsonpb"
 	"github.com/golang/protobuf/proto"
@ -35,6 +36,9 @@ func (c *commandRemoteConfigure) Help() string {
 	remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
 	remote.configure -name=cloud2 -type=gcs -gcs.appCredentialsFile=~/service-account-file.json
 	remote.configure -name=cloud3 -type=azure -azure.account_name=xxx -azure.account_key=yyy
+	remote.configure -name=cloud4 -type=aliyun -aliyun.access_key=xxx -aliyun.secret_key=yyy -aliyun.endpoint=oss-cn-shenzhen.aliyuncs.com -aliyun.region=cn-sehnzhen
+	remote.configure -name=cloud5 -type=tencent -tencent.secret_id=xxx -tencent.secret_key=yyy -tencent.endpoint=cos.ap-guangzhou.myqcloud.com
+	remote.configure -name=cloud6 -type=wasabi -wasabi.access_key=xxx -wasabi.secret_key=yyy -wasabi.endpoint=s3.us-west-1.wasabisys.com -wasabi.region=us-west-1

 	# delete one configuration
 	remote.configure -delete -name=cloud1
@ -48,13 +52,13 @@ var (

 func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {

-	conf := &filer_pb.RemoteConf{}
+	conf := &remote_pb.RemoteConf{}

 	remoteConfigureCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
 	isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name")

 	remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage")
-	remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs|azure|b2|aliyun|tencent] storage type")
+	remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs|azure|b2|aliyun|tencent|baidu|wasabi|hdfs] storage type")

 	remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key")
 	remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key")
@ -86,10 +90,32 @@ func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, write
 	remoteConfigureCommand.StringVar(&conf.BaiduEndpoint, "baidu.endpoint", "", "Baidu endpoint")
 	remoteConfigureCommand.StringVar(&conf.BaiduRegion, "baidu.region", "", "Baidu region")

+	remoteConfigureCommand.StringVar(&conf.WasabiAccessKey, "wasabi.access_key", "", "Wasabi access key")
+	remoteConfigureCommand.StringVar(&conf.WasabiSecretKey, "wasabi.secret_key", "", "Wasabi secret key")
+	remoteConfigureCommand.StringVar(&conf.WasabiEndpoint, "wasabi.endpoint", "", "Wasabi endpoint, see https://wasabi.com/wp-content/themes/wasabi/docs/API_Guide/index.html#t=topics%2Fapidiff-intro.htm")
+	remoteConfigureCommand.StringVar(&conf.WasabiRegion, "wasabi.region", "", "Wasabi region")
+
+	var namenodes arrayFlags
+	remoteConfigureCommand.Var(&namenodes, "hdfs.namenodes", "hdfs name node and port, example: namenode1:8020,namenode2:8020")
+	remoteConfigureCommand.StringVar(&conf.HdfsUsername, "hdfs.username", "", "hdfs user name")
+	remoteConfigureCommand.StringVar(&conf.HdfsServicePrincipalName, "hdfs.servicePrincipalName", "", `Kerberos service principal name for the namenode
+
+Example: hdfs/namenode.hadoop.docker
+Namenode running as service 'hdfs' with FQDN 'namenode.hadoop.docker'.
+`)
+	remoteConfigureCommand.StringVar(&conf.HdfsDataTransferProtection, "hdfs.dataTransferProtection", "", "[authentication|integrity|privacy] Kerberos data transfer protection")
+
+
 	if err = remoteConfigureCommand.Parse(args); err != nil {
 		return nil
 	}

+	if conf.Type != "s3" {
+		// clear out the default values
+		conf.S3Region = ""
+		conf.S3ForcePathStyle = false
+	}
+
 	if conf.Name == "" {
 		return c.listExistingRemoteStorages(commandEnv, writer)
 	}
@ -116,7 +142,7 @@ func (c *commandRemoteConfigure) listExistingRemoteStorages(commandEnv *CommandE
 		if !strings.HasSuffix(entry.Name, filer.REMOTE_STORAGE_CONF_SUFFIX) {
 			return nil
 		}
-		conf := &filer_pb.RemoteConf{}
+		conf := &remote_pb.RemoteConf{}

 		if err := proto.Unmarshal(entry.Content, conf); err != nil {
 			return fmt.Errorf("unmarshal %s/%s: %v", filer.DirectoryEtcRemote, entry.Name, err)
@ -162,7 +188,7 @@ func (c *commandRemoteConfigure) deleteRemoteStorage(commandEnv *CommandEnv, wri

 }

-func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, writer io.Writer, conf *filer_pb.RemoteConf) error {
+func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, writer io.Writer, conf *remote_pb.RemoteConf) error {

 	data, err := proto.Marshal(conf)
 	if err != nil {
@ -178,3 +204,14 @@ func (c *commandRemoteConfigure) saveRemoteStorage(commandEnv *CommandEnv, write
 	return nil

 }
+
+type arrayFlags []string
+
+func (i *arrayFlags) String() string {
+	return "my string representation"
+}
+
+func (i *arrayFlags) Set(value string) error {
+	*i = append(*i, value)
+	return nil
+}
--- a/weed/shell/command_remote_meta_sync.go
+++ b/weed/shell/command_remote_meta_sync.go
@ -6,6 +6,7 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
@ -54,7 +55,7 @@ func (c *commandRemoteMetaSync) Do(args []string, commandEnv *CommandEnv, writer
 	}

 	mappings, localMountedDir, remoteStorageMountedLocation, remoteStorageConf, detectErr := detectMountInfo(commandEnv, writer, *dir)
-	if detectErr != nil{
+	if detectErr != nil {
 		jsonPrintln(writer, mappings)
 		return detectErr
 	}
@ -67,7 +68,7 @@ func (c *commandRemoteMetaSync) Do(args []string, commandEnv *CommandEnv, writer
 	return nil
 }

-func detectMountInfo(commandEnv *CommandEnv, writer io.Writer, dir string) (*filer_pb.RemoteStorageMapping, string, *filer_pb.RemoteStorageLocation, *filer_pb.RemoteConf, error) {
+func detectMountInfo(commandEnv *CommandEnv, writer io.Writer, dir string) (*remote_pb.RemoteStorageMapping, string, *remote_pb.RemoteStorageLocation, *remote_pb.RemoteConf, error) {
 	return filer.DetectMountInfo(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress, dir)
 }

@ -105,8 +106,8 @@ func detectMountInfo(commandEnv *CommandEnv, writer io.Writer, dir string) (*fil
  If entry.RemoteEntry.RemoteTag != remoteEntry.RemoteTag {
    the remote version is updated, need to pull meta
  }
- */
-func pullMetadata(commandEnv *CommandEnv, writer io.Writer, localMountedDir util.FullPath, remoteMountedLocation *filer_pb.RemoteStorageLocation, dirToCache util.FullPath, remoteConf *filer_pb.RemoteConf) error {
+*/
+func pullMetadata(commandEnv *CommandEnv, writer io.Writer, localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, dirToCache util.FullPath, remoteConf *remote_pb.RemoteConf) error {

 	// visit remote storage
 	remoteStorage, err := remote_storage.GetRemoteStorage(remoteConf)
@ -157,7 +158,7 @@ func pullMetadata(commandEnv *CommandEnv, writer io.Writer, localMountedDir util
 					fmt.Fprintln(writer, " (skip)")
 					return nil
 				}
-				if existingEntry.RemoteEntry.RemoteETag != remoteEntry.RemoteETag {
+				if existingEntry.RemoteEntry.RemoteETag != remoteEntry.RemoteETag || existingEntry.RemoteEntry.RemoteMtime < remoteEntry.RemoteMtime {
 					// the remote version is updated, need to pull meta
 					fmt.Fprintln(writer, " (update)")
 					return doSaveRemoteEntry(client, string(localDir), existingEntry, remoteEntry)
--- a/weed/shell/command_remote_mount.go
+++ b/weed/shell/command_remote_mount.go
@ -6,11 +6,13 @@ import (
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/jsonpb"
 	"github.com/golang/protobuf/proto"
 	"io"
+	"strings"
 )

 func init() {
@ -58,15 +60,17 @@ func (c *commandRemoteMount) Do(args []string, commandEnv *CommandEnv, writer io
 		return err
 	}

-	remoteStorageLocation := remote_storage.ParseLocation(*remote)
-
 	// find configuration for remote storage
-	// remotePath is /<bucket>/path/to/dir
-	remoteConf, err := c.findRemoteStorageConfiguration(commandEnv, writer, remoteStorageLocation)
+	remoteConf, err := filer.ReadRemoteStorageConf(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress, remote_storage.ParseLocationName(*remote))
 	if err != nil {
 		return fmt.Errorf("find configuration for %s: %v", *remote, err)
 	}

+	remoteStorageLocation, err := remote_storage.ParseRemoteLocation(remoteConf.Type, *remote)
+	if err != nil {
+		return err
+	}
+
 	// sync metadata from remote
 	if err = c.syncMetadata(commandEnv, writer, *dir, *nonEmpty, remoteConf, remoteStorageLocation); err != nil {
 		return fmt.Errorf("pull metadata: %v", err)
@ -80,7 +84,7 @@ func (c *commandRemoteMount) Do(args []string, commandEnv *CommandEnv, writer io
 	return nil
 }

-func listExistingRemoteStorageMounts(commandEnv *CommandEnv, writer io.Writer) (mappings *filer_pb.RemoteStorageMapping, err error) {
+func listExistingRemoteStorageMounts(commandEnv *CommandEnv, writer io.Writer) (mappings *remote_pb.RemoteStorageMapping, err error) {

 	// read current mapping
 	mappings, err = filer.ReadMountMappings(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress)
@ -108,13 +112,13 @@ func jsonPrintln(writer io.Writer, message proto.Message) error {
 	return err
 }

-func (c *commandRemoteMount) findRemoteStorageConfiguration(commandEnv *CommandEnv, writer io.Writer, remote *filer_pb.RemoteStorageLocation) (conf *filer_pb.RemoteConf, err error) {
+func (c *commandRemoteMount) findRemoteStorageConfiguration(commandEnv *CommandEnv, writer io.Writer, remote *remote_pb.RemoteStorageLocation) (conf *remote_pb.RemoteConf, err error) {

 	return filer.ReadRemoteStorageConf(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress, remote.Name)

 }

-func (c *commandRemoteMount) syncMetadata(commandEnv *CommandEnv, writer io.Writer, dir string, nonEmpty bool, remoteConf *filer_pb.RemoteConf, remote *filer_pb.RemoteStorageLocation) error {
+func (c *commandRemoteMount) syncMetadata(commandEnv *CommandEnv, writer io.Writer, dir string, nonEmpty bool, remoteConf *remote_pb.RemoteConf, remote *remote_pb.RemoteStorageLocation) error {

 	// find existing directory, and ensure the directory is empty
 	err := commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
@ -124,7 +128,9 @@ func (c *commandRemoteMount) syncMetadata(commandEnv *CommandEnv, writer io.Writ
 			Name:      name,
 		})
 		if lookupErr != nil {
-			return fmt.Errorf("lookup %s: %v", dir, lookupErr)
+			if !strings.Contains(lookupErr.Error(), filer_pb.ErrNotFound.Error()) {
+				return fmt.Errorf("lookup %s: %v", dir, lookupErr)
+			}
 		}

 		mountToDirIsEmpty := true
@ -157,7 +163,7 @@ func (c *commandRemoteMount) syncMetadata(commandEnv *CommandEnv, writer io.Writ
 	return nil
 }

-func (c *commandRemoteMount) saveMountMapping(commandEnv *CommandEnv, writer io.Writer, dir string, remoteStorageLocation *filer_pb.RemoteStorageLocation) (err error) {
+func (c *commandRemoteMount) saveMountMapping(commandEnv *CommandEnv, writer io.Writer, dir string, remoteStorageLocation *remote_pb.RemoteStorageLocation) (err error) {

 	// read current mapping
 	var oldContent, newContent []byte
--- a/weed/shell/command_remote_uncache.go
+++ b/weed/shell/command_remote_uncache.go
@ -83,6 +83,7 @@ func (c *commandRemoteUncache) Do(args []string, commandEnv *CommandEnv, writer
 func (c *commandRemoteUncache) uncacheContentData(commandEnv *CommandEnv, writer io.Writer, dirToCache util.FullPath, fileFilter *FileFilter) error {

 	return recursivelyTraverseDirectory(commandEnv, dirToCache, func(dir util.FullPath, entry *filer_pb.Entry) bool {
+
 		if !mayHaveCachedToLocal(entry) {
 			return true // true means recursive traversal should continue
 		}
@ -98,7 +99,7 @@ func (c *commandRemoteUncache) uncacheContentData(commandEnv *CommandEnv, writer
 		entry.RemoteEntry.LastLocalSyncTsNs = 0
 		entry.Chunks = nil

-		println(dir, entry.Name)
+		fmt.Fprintf(writer, "Uncache %+v ... ", dir.Child(entry.Name))

 		err := commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 			_, updateErr := client.UpdateEntry(context.Background(), &filer_pb.UpdateEntryRequest{
@ -111,6 +112,7 @@ func (c *commandRemoteUncache) uncacheContentData(commandEnv *CommandEnv, writer
 			fmt.Fprintf(writer, "uncache %+v: %v\n", dir.Child(entry.Name), err)
 			return false
 		}
+		fmt.Fprintf(writer, "Done\n")

 		return true
 	})
--- a/weed/shell/command_remote_unmount.go
+++ b/weed/shell/command_remote_unmount.go
@ -30,7 +30,9 @@ func (c *commandRemoteUnmount) Help() string {
 	remote.mount -dir=/xxx -remote=s3_1/bucket

 	# unmount the mounted directory and remove its cache
-	remote.unmount -dir=/xxx
+	# Make sure you have stopped "weed filer.remote.sync" first!
+	# Otherwise, the deletion will also be propagated to the remote storage!!!
+	remote.unmount -dir=/xxx -iHaveStoppedRemoteSync

 `
 }
@ -40,6 +42,7 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
 	remoteMountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)

 	dir := remoteMountCommand.String("dir", "", "a directory in filer")
+	hasStoppedRemoteSync := remoteMountCommand.Bool("iHaveStoppedRemoteSync", false, "confirm to stop weed filer.remote.sync first")

 	if err = remoteMountCommand.Parse(args); err != nil {
 		return nil
@ -58,6 +61,9 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
 		return fmt.Errorf("directory %s is not mounted", *dir)
 	}

+	if !*hasStoppedRemoteSync {
+		return fmt.Errorf("make sure \"weed filer.remote.sync\" is stopped to avoid data loss")
+	}
 	// purge mounted data
 	if err = c.purgeMountedData(commandEnv, *dir); err != nil {
 		return fmt.Errorf("purge mounted data: %v", err)
@ -71,12 +77,6 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
 	return nil
 }

-func (c *commandRemoteUnmount) findRemoteStorageConfiguration(commandEnv *CommandEnv, writer io.Writer, remote *filer_pb.RemoteStorageLocation) (conf *filer_pb.RemoteConf, err error) {
-
-	return filer.ReadRemoteStorageConf(commandEnv.option.GrpcDialOption, commandEnv.option.FilerAddress, remote.Name)
-
-}
-
 func (c *commandRemoteUnmount) purgeMountedData(commandEnv *CommandEnv, dir string) error {

 	// find existing directory, and ensure the directory is empty
--- a/weed/shell/command_volume_fix_replication.go
+++ b/weed/shell/command_volume_fix_replication.go
@ -29,7 +29,7 @@ func (c *commandVolumeFixReplication) Name() string {
 }

 func (c *commandVolumeFixReplication) Help() string {
-	return `add replicas to volumes that are missing replicas
+	return `add or remove replicas to volumes that are missing replicas or over-replicated

 	This command finds all over-replicated volumes. If found, it will purge the oldest copies and stop.

--- a/weed/shell/shell_liner.go
+++ b/weed/shell/shell_liner.go
@ -1,7 +1,9 @@
 package shell

 import (
+	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/util/grace"
 	"io"
 	"os"
@ -45,6 +47,24 @@ func RunShell(options ShellOptions) {
 	go commandEnv.MasterClient.KeepConnectedToMaster()
 	commandEnv.MasterClient.WaitUntilConnected()

+	if commandEnv.option.FilerAddress != "" {
+		commandEnv.WithFilerClient(func(filerClient filer_pb.SeaweedFilerClient) error {
+			resp, err := filerClient.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
+			if err != nil {
+				return err
+			}
+			if resp.ClusterId != "" {
+				fmt.Printf(`
+---
+Free Monitoring Data URL:
+https://cloud.seaweedfs.com/ui/%s
+---
+`, resp.ClusterId)
+			}
+			return nil
+		})
+	}
+
 	for {
 		cmd, err := line.Prompt("> ")
 		if err != nil {
--- a/weed/storage/backend/s3_backend/s3_sessions.go
+++ b/weed/storage/backend/s3_backend/s3_sessions.go
@ -37,6 +37,7 @@ func createSession(awsAccessKeyId, awsSecretAccessKey, region, endpoint string)
 		Region:           aws.String(region),
 		Endpoint:         aws.String(endpoint),
 		S3ForcePathStyle: aws.Bool(true),
+		S3DisableContentMD5Validation: aws.Bool(true),
 	}
 	if awsAccessKeyId != "" && awsSecretAccessKey != "" {
 		config.Credentials = credentials.NewStaticCredentials(awsAccessKeyId, awsSecretAccessKey, "")
--- a/weed/storage/erasure_coding/ec_volume.go
+++ b/weed/storage/erasure_coding/ec_volume.go
@ -3,13 +3,13 @@ package erasure_coding
 import (
 	"errors"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 	"math"
 	"os"
 	"sort"
 	"sync"
 	"time"

-	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage/idx"
@ -63,10 +63,10 @@ func NewEcVolume(diskType types.DiskType, dir string, dirIdx string, collection

 	// read volume info
 	ev.Version = needle.Version3
-	if volumeInfo, _, found, _ := pb.MaybeLoadVolumeInfo(dataBaseFileName + ".vif"); found {
+	if volumeInfo, _, found, _ := volume_info.MaybeLoadVolumeInfo(dataBaseFileName + ".vif"); found {
 		ev.Version = needle.Version(volumeInfo.Version)
 	} else {
-		pb.SaveVolumeInfo(dataBaseFileName+".vif", &volume_server_pb.VolumeInfo{Version: uint32(ev.Version)})
+		volume_info.SaveVolumeInfo(dataBaseFileName+".vif", &volume_server_pb.VolumeInfo{Version: uint32(ev.Version)})
 	}

 	ev.ShardLocations = make(map[ShardId][]string)
--- a/weed/storage/needle_map_metric.go
+++ b/weed/storage/needle_map_metric.go
@ -7,7 +7,7 @@ import (

 	"github.com/chrislusf/seaweedfs/weed/storage/idx"
 	. "github.com/chrislusf/seaweedfs/weed/storage/types"
-	"github.com/willf/bloom"
+	"github.com/tylertreat/BoomFilters"
 )

 type mapMetric struct {
@ -93,10 +93,10 @@ func (mm *mapMetric) MaybeSetMaxFileKey(key NeedleId) {

 func newNeedleMapMetricFromIndexFile(r *os.File) (mm *mapMetric, err error) {
 	mm = &mapMetric{}
-	var bf *bloom.BloomFilter
+	var bf *boom.StableBloomFilter
 	buf := make([]byte, NeedleIdSize)
 	err = reverseWalkIndexFile(r, func(entryCount int64) {
-		bf = bloom.NewWithEstimates(uint(entryCount), 0.001)
+		bf = boom.NewDefaultStableBloomFilter(uint(entryCount), 0.001)
 	}, func(key NeedleId, offset Offset, size Size) error {

 		mm.MaybeSetMaxFileKey(key)
--- a/weed/storage/store.go
+++ b/weed/storage/store.go
@ -2,6 +2,7 @@ package storage

 import (
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"path/filepath"
 	"strings"
@ -10,7 +11,6 @@ import (
 	"google.golang.org/grpc"

 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
@ -474,12 +474,12 @@ func (s *Store) ConfigureVolume(i needle.VolumeId, replication string) error {
 		// load, modify, save
 		baseFileName := strings.TrimSuffix(fileInfo.Name(), filepath.Ext(fileInfo.Name()))
 		vifFile := filepath.Join(location.Directory, baseFileName+".vif")
-		volumeInfo, _, _, err := pb.MaybeLoadVolumeInfo(vifFile)
+		volumeInfo, _, _, err := volume_info.MaybeLoadVolumeInfo(vifFile)
 		if err != nil {
 			return fmt.Errorf("volume %d fail to load vif", i)
 		}
 		volumeInfo.Replication = replication
-		err = pb.SaveVolumeInfo(vifFile, volumeInfo)
+		err = volume_info.SaveVolumeInfo(vifFile, volumeInfo)
 		if err != nil {
 			return fmt.Errorf("volume %d fail to save vif", i)
 		}
--- a/weed/storage/volume_info/volume_info.go
+++ b/weed/storage/volume_info/volume_info.go
@ -1,4 +1,4 @@
-package pb
+package volume_info

 import (
 	"bytes"
--- a/weed/storage/volume_tier.go
+++ b/weed/storage/volume_tier.go
@ -2,11 +2,11 @@ package storage

 import (
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage/backend"
 	_ "github.com/chrislusf/seaweedfs/weed/storage/backend/s3_backend"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	volume_info "github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 )

 func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo {
@ -16,7 +16,7 @@ func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo {
 func (v *Volume) maybeLoadVolumeInfo() (found bool) {

 	var err error
-	v.volumeInfo, v.hasRemoteFile, found, err = pb.MaybeLoadVolumeInfo(v.FileName(".vif"))
+	v.volumeInfo, v.hasRemoteFile, found, err = volume_info.MaybeLoadVolumeInfo(v.FileName(".vif"))

 	if v.volumeInfo.Version == 0 {
 		v.volumeInfo.Version = uint32(needle.CurrentVersion)
@ -56,6 +56,6 @@ func (v *Volume) SaveVolumeInfo() error {

 	tierFileName := v.FileName(".vif")

-	return pb.SaveVolumeInfo(tierFileName, v.volumeInfo)
+	return volume_info.SaveVolumeInfo(tierFileName, v.volumeInfo)

 }
--- a/weed/util/constants.go
+++ b/weed/util/constants.go
@ -5,7 +5,7 @@ import (
 )

 var (
-	VERSION = fmt.Sprintf("%s %.02f", sizeLimit, 2.64)
+	VERSION = fmt.Sprintf("%s %.02f", sizeLimit, 2.65)
 	COMMIT  = ""
 )