diff --git a/weed/shell/command_fs_verify.go b/weed/shell/command_fs_verify.go
new file mode 100644
index 000000000..11cc64d78
--- /dev/null
+++ b/weed/shell/command_fs_verify.go
@@ -0,0 +1,177 @@
+package shell
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
+	"github.com/seaweedfs/seaweedfs/weed/operation"
+	"github.com/seaweedfs/seaweedfs/weed/pb"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
+	"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
+	"github.com/seaweedfs/seaweedfs/weed/storage"
+	"github.com/seaweedfs/seaweedfs/weed/util"
+	"io"
+	"math"
+	"strings"
+	"time"
+)
+
+func init() {
+	Commands = append(Commands, &commandFsVerify{})
+}
+
+type commandFsVerify struct {
+	env                *CommandEnv
+	volumeIds          map[uint32][]pb.ServerAddress
+	verbose            *bool
+	modifyTimeAgoAtSec int64
+	writer             io.Writer
+}
+
+func (c *commandFsVerify) Name() string {
+	return "fs.verify"
+}
+
+func (c *commandFsVerify) Help() string {
+	return `recursively verify all files under a directory
+
+	fs.verify [-v] [-modifyTimeAgo 1h] /buckets/dir
+
+`
+}
+
+func (c *commandFsVerify) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
+	c.env = commandEnv
+	c.writer = writer
+
+	fsVerifyCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	c.verbose = fsVerifyCommand.Bool("v", false, "print out each processed files")
+	modifyTimeAgo := fsVerifyCommand.Duration("modifyTimeAgo", 0, "only include files after this modify time to verify")
+
+	if err = fsVerifyCommand.Parse(args); err != nil {
+		return err
+	}
+
+	path, parseErr := commandEnv.parseUrl(findInputDirectory(fsVerifyCommand.Args()))
+	if parseErr != nil {
+		return parseErr
+	}
+
+	c.modifyTimeAgoAtSec = int64(modifyTimeAgo.Seconds())
+
+	if err := c.collectVolumeIds(); err != nil {
+		return parseErr
+	}
+
+	fCount, eConut, terr := c.verifyTraverseBfs(path)
+
+	if terr == nil {
+		fmt.Fprintf(writer, "verified %d files, error %d files \n", fCount, eConut)
+	}
+
+	return terr
+
+}
+
+func (c *commandFsVerify) collectVolumeIds() error {
+	c.volumeIds = make(map[uint32][]pb.ServerAddress)
+	topologyInfo, _, err := collectTopologyInfo(c.env, 0)
+	if err != nil {
+		return err
+	}
+	eachDataNode(topologyInfo, func(dc string, rack RackId, nodeInfo *master_pb.DataNodeInfo) {
+		for _, diskInfo := range nodeInfo.DiskInfos {
+			for _, vi := range diskInfo.VolumeInfos {
+				c.volumeIds[vi.Id] = append(c.volumeIds[vi.Id], pb.NewServerAddressFromDataNode(nodeInfo))
+			}
+		}
+	})
+	return nil
+}
+
+func (c *commandFsVerify) verifyEntry(fileId *filer_pb.FileId, volumeServer *pb.ServerAddress) error {
+	err := operation.WithVolumeServerClient(false, *volumeServer, c.env.option.GrpcDialOption,
+		func(client volume_server_pb.VolumeServerClient) error {
+			_, err := client.VolumeNeedleStatus(context.Background(),
+				&volume_server_pb.VolumeNeedleStatusRequest{
+					VolumeId: fileId.VolumeId,
+					NeedleId: fileId.FileKey})
+			return err
+		},
+	)
+	if err != nil && !strings.Contains(err.Error(), storage.ErrorDeleted.Error()) {
+		return err
+	}
+	if *c.verbose {
+		fmt.Fprintf(c.writer, ".")
+	}
+	return nil
+}
+
+type ItemEntry struct {
+	chunks []*filer_pb.FileChunk
+	path   util.FullPath
+}
+
+func (c *commandFsVerify) verifyTraverseBfs(path string) (fileCount int64, errCount int64, err error) {
+	timeNowAtSec := time.Now().Unix()
+	return fileCount, errCount, doTraverseBfsAndSaving(c.env, nil, path, false,
+		func(entry *filer_pb.FullEntry, outputChan chan interface{}) (err error) {
+			if c.modifyTimeAgoAtSec > 0 {
+				if entry.Entry.Attributes != nil && c.modifyTimeAgoAtSec < timeNowAtSec-entry.Entry.Attributes.Mtime {
+					return nil
+				}
+			}
+			dataChunks, manifestChunks, resolveErr := filer.ResolveChunkManifest(filer.LookupFn(c.env), entry.Entry.GetChunks(), 0, math.MaxInt64)
+			if resolveErr != nil {
+				return fmt.Errorf("failed to ResolveChunkManifest: %+v", resolveErr)
+			}
+			dataChunks = append(dataChunks, manifestChunks...)
+			if len(dataChunks) > 0 {
+				outputChan <- &ItemEntry{
+					chunks: dataChunks,
+					path:   util.NewFullPath(entry.Dir, entry.Entry.Name),
+				}
+			}
+			return nil
+		},
+		func(outputChan chan interface{}) {
+			for itemEntry := range outputChan {
+				i := itemEntry.(*ItemEntry)
+				fileMsg := fmt.Sprintf("file:%s needle status ", i.path)
+				if *c.verbose {
+					fmt.Fprintf(c.writer, fileMsg)
+					fileMsg = ""
+				}
+				for _, chunk := range i.chunks {
+					if volumeIds, ok := c.volumeIds[chunk.Fid.VolumeId]; ok {
+						for _, volumeServer := range volumeIds {
+							if err = c.verifyEntry(chunk.Fid, &volumeServer); err != nil {
+								fmt.Fprintf(c.writer, "%sfailed verify %d:%d: %+v\n",
+									fileMsg, chunk.Fid.VolumeId, chunk.Fid.FileKey, err)
+								break
+							}
+						}
+					} else {
+						err = fmt.Errorf("volumeId %d not found", chunk.Fid.VolumeId)
+						fmt.Fprintf(c.writer, "%sfailed verify chunk %d:%d: %+v\n",
+							fileMsg, chunk.Fid.VolumeId, chunk.Fid.FileKey, err)
+						break
+					}
+				}
+
+				if err != nil {
+					errCount++
+					continue
+				}
+
+				if *c.verbose {
+					fmt.Fprintf(c.writer, " verifed\n")
+				}
+				fileCount++
+			}
+		})
+
+}