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Merge pull request #2858 from kmlebedev/fsck_replicas

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fsck replicas
This commit is contained in:
Chris Lu 2022-04-19 00:17:43 -07:00 committed by GitHub
parent f76c318a1f 7f1383a41e
commit 88a669dd19
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 152 additions and 89 deletions
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241
weed/shell/command_volume_fsck.go
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@ -5,16 +5,6 @@ import (
"context"
"flag"
"fmt"
"io"
"io/ioutil"
"math"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"sync"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb"
@ -25,6 +15,17 @@ import (
"github.com/chrislusf/seaweedfs/weed/storage/needle_map"
"github.com/chrislusf/seaweedfs/weed/storage/types"
"github.com/chrislusf/seaweedfs/weed/util"
"io"
"io/ioutil"
"math"
"net/http"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"sync"
"time"
)
func init() {
@ -65,8 +66,11 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
verbose := fsckCommand.Bool("v", false, "verbose mode")
findMissingChunksInFiler := fsckCommand.Bool("findMissingChunksInFiler", false, "see \"help volume.fsck\"")
findMissingChunksInFilerPath := fsckCommand.String("findMissingChunksInFilerPath", "/", "used together with findMissingChunksInFiler")
findMissingChunksInVolumeId := fsckCommand.Int("findMissingChunksInVolumeId", 0, "used together with findMissingChunksInFiler")
applyPurging := fsckCommand.Bool("reallyDeleteFromVolume", false, "<expert only!> after detection, delete missing data from volumes / delete missing file entries from filer")
purgeAbsent := fsckCommand.Bool("reallyDeleteFilerEntries", false, "<expert only!> delete missing file entries from filer if the corresponding volume is missing for any reason, please ensure all still existing/expected volumes are connected! used together with findMissingChunksInFiler")
tempPath := fsckCommand.String("tempPath", path.Join(os.TempDir()), "path for temporary idx files")
if err = fsckCommand.Parse(args); err != nil {
return nil
}
@ -78,7 +82,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
c.env = commandEnv
// create a temp folder
tempFolder, err := os.MkdirTemp("", "sw_fsck")
tempFolder, err := os.MkdirTemp(*tempPath, "sw_fsck")
if err != nil {
return fmt.Errorf("failed to create temp folder: %v", err)
}
@ -88,14 +92,14 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
defer os.RemoveAll(tempFolder)
// collect all volume id locations
volumeIdToVInfo, err := c.collectVolumeIds(commandEnv, *verbose, writer)
dataNodeVolumeIdToVInfo, err := c.collectVolumeIds(commandEnv, *verbose, writer)
if err != nil {
return fmt.Errorf("failed to collect all volume locations: %v", err)
}
isBucketsPath := false
var fillerBucketsPath string
if *findMissingChunksInFiler && *findMissingChunksInFilerPath != "" {
if *findMissingChunksInFiler && *findMissingChunksInFilerPath != "/" {
fillerBucketsPath, err = readFilerBucketsPath(commandEnv)
if err != nil {
return fmt.Errorf("read filer buckets path: %v", err)
@ -108,34 +112,43 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
return fmt.Errorf("read filer buckets path: %v", err)
}
collectMtime := time.Now().Unix()
// collect each volume file ids
for volumeId, vinfo := range volumeIdToVInfo {
if isBucketsPath && !strings.HasPrefix(*findMissingChunksInFilerPath, fillerBucketsPath+"/"+vinfo.collection) {
delete(volumeIdToVInfo, volumeId)
continue
}
err = c.collectOneVolumeFileIds(tempFolder, volumeId, vinfo, *verbose, writer)
if err != nil {
return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, err)
for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
for volumeId, vinfo := range volumeIdToVInfo {
if *findMissingChunksInVolumeId > 0 && uint32(*findMissingChunksInVolumeId) != volumeId {
delete(volumeIdToVInfo, volumeId)
continue
}
if isBucketsPath && !strings.HasPrefix(*findMissingChunksInFilerPath, fillerBucketsPath+"/"+vinfo.collection) {
delete(volumeIdToVInfo, volumeId)
continue
}
err = c.collectOneVolumeFileIds(tempFolder, dataNodeId, volumeId, vinfo, *verbose, writer)
if err != nil {
return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, err)
}
}
}
if *findMissingChunksInFiler {
// collect all filer file ids and paths
if err = c.collectFilerFileIdAndPaths(volumeIdToVInfo, tempFolder, writer, *findMissingChunksInFilerPath, *verbose, *purgeAbsent); err != nil {
if err = c.collectFilerFileIdAndPaths(dataNodeVolumeIdToVInfo, tempFolder, writer, *findMissingChunksInFilerPath, *verbose, *purgeAbsent, collectMtime); err != nil {
return fmt.Errorf("collectFilerFileIdAndPaths: %v", err)
}
// for each volume, check filer file ids
if err = c.findFilerChunksMissingInVolumeServers(volumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
return fmt.Errorf("findFilerChunksMissingInVolumeServers: %v", err)
for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
// for each volume, check filer file ids
if err = c.findFilerChunksMissingInVolumeServers(volumeIdToVInfo, tempFolder, dataNodeId, writer, *verbose, *applyPurging); err != nil {
return fmt.Errorf("findFilerChunksMissingInVolumeServers: %v", err)
}
}
} else {
// collect all filer file ids
if err = c.collectFilerFileIds(volumeIdToVInfo, tempFolder, writer, *verbose); err != nil {
if err = c.collectFilerFileIds(dataNodeVolumeIdToVInfo, tempFolder, writer, *verbose); err != nil {
return fmt.Errorf("failed to collect file ids from filer: %v", err)
}
// volume file ids subtract filer file ids
if err = c.findExtraChunksInVolumeServers(volumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
if err = c.findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
return fmt.Errorf("findExtraChunksInVolumeServers: %v", err)
}
}
@ -143,19 +156,24 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
return nil
}
func (c *commandVolumeFsck) collectFilerFileIdAndPaths(volumeIdToServer map[uint32]VInfo, tempFolder string, writer io.Writer, filerPath string, verbose bool, purgeAbsent bool) error {
func (c *commandVolumeFsck) collectFilerFileIdAndPaths(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, filerPath string, verbose bool, purgeAbsent bool, collectMtime int64) error {
if verbose {
fmt.Fprintf(writer, "checking each file from filer ...\n")
}
files := make(map[uint32]*os.File)
for vid := range volumeIdToServer {
dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("failed to create file %s: %v", getFilerFileIdFile(tempFolder, vid), openErr)
for _, volumeIdToServer := range dataNodeVolumeIdToVInfo {
for vid := range volumeIdToServer {
if _, ok := files[vid]; ok {
continue
}
dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("failed to create file %s: %v", getFilerFileIdFile(tempFolder, vid), openErr)
}
files[vid] = dst
}
files[vid] = dst
}
defer func() {
for _, f := range files {
@ -179,6 +197,9 @@ func (c *commandVolumeFsck) collectFilerFileIdAndPaths(volumeIdToServer map[uint
}
dataChunks = append(dataChunks, manifestChunks...)
for _, chunk := range dataChunks {
if chunk.Mtime > collectMtime {
continue
}
outputChan <- &Item{
vid: chunk.Fid.VolumeId,
fileKey: chunk.Fid.FileKey,
@ -210,10 +231,10 @@ func (c *commandVolumeFsck) collectFilerFileIdAndPaths(volumeIdToServer map[uint
}
func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, dataNodeId string, writer io.Writer, verbose bool, applyPurging bool) error {
for volumeId, vinfo := range volumeIdToVInfo {
checkErr := c.oneVolumeFileIdsCheckOneVolume(tempFolder, volumeId, writer, verbose, applyPurging)
checkErr := c.oneVolumeFileIdsCheckOneVolume(tempFolder, dataNodeId, volumeId, writer, verbose, applyPurging)
if checkErr != nil {
return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
}
@ -221,55 +242,93 @@ func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInf
return nil
}
func (c *commandVolumeFsck) findExtraChunksInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
var totalInUseCount, totalOrphanChunkCount, totalOrphanDataSize uint64
for volumeId, vinfo := range volumeIdToVInfo {
inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(tempFolder, volumeId, writer, verbose)
if checkErr != nil {
return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
}
totalInUseCount += inUseCount
totalOrphanChunkCount += uint64(len(orphanFileIds))
totalOrphanDataSize += orphanDataSize
if verbose {
for _, fid := range orphanFileIds {
fmt.Fprintf(writer, "%s\n", fid)
volumeIdOrphanFileIds := make(map[uint32]map[string]bool)
isSeveralReplicas := make(map[uint32]bool)
isEcVolumeReplicas := make(map[uint32]bool)
isReadOnlyReplicas := make(map[uint32]bool)
serverReplicas := make(map[uint32][]pb.ServerAddress)
for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
for volumeId, vinfo := range volumeIdToVInfo {
inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(tempFolder, dataNodeId, volumeId, writer, verbose)
if checkErr != nil {
return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
}
isSeveralReplicas[volumeId] = false
if _, found := volumeIdOrphanFileIds[volumeId]; !found {
volumeIdOrphanFileIds[volumeId] = make(map[string]bool)
} else {
isSeveralReplicas[volumeId] = true
}
for _, fid := range orphanFileIds {
if isSeveralReplicas[volumeId] {
if _, found := volumeIdOrphanFileIds[volumeId][fid]; !found {
continue
}
}
volumeIdOrphanFileIds[volumeId][fid] = isSeveralReplicas[volumeId]
}
totalInUseCount += inUseCount
totalOrphanChunkCount += uint64(len(orphanFileIds))
totalOrphanDataSize += orphanDataSize
if verbose {
for _, fid := range orphanFileIds {
fmt.Fprintf(writer, "%s\n", fid)
}
}
isEcVolumeReplicas[volumeId] = vinfo.isEcVolume
if isReadOnly, found := isReadOnlyReplicas[volumeId]; !(found && isReadOnly) {
isReadOnlyReplicas[volumeId] = vinfo.isReadOnly
}
serverReplicas[volumeId] = append(serverReplicas[volumeId], vinfo.server)
}
if applyPurging && len(orphanFileIds) > 0 {
for volumeId, orphanReplicaFileIds := range volumeIdOrphanFileIds {
if !(applyPurging && len(orphanReplicaFileIds) > 0) {
continue
}
orphanFileIds := []string{}
for fid, foundInAllReplicas := range orphanReplicaFileIds {
if !isSeveralReplicas[volumeId] || (isSeveralReplicas[volumeId] && foundInAllReplicas) {
orphanFileIds = append(orphanFileIds, fid)
}
}
if !(len(orphanFileIds) > 0) {
continue
}
if verbose {
fmt.Fprintf(writer, "purging process for volume %d", volumeId)
}
if vinfo.isEcVolume {
if isEcVolumeReplicas[volumeId] {
fmt.Fprintf(writer, "skip purging for Erasure Coded volume %d.\n", volumeId)
continue
}
for _, server := range serverReplicas[volumeId] {
needleVID := needle.VolumeId(volumeId)
needleVID := needle.VolumeId(volumeId)
if isReadOnlyReplicas[volumeId] {
err := markVolumeWritable(c.env.option.GrpcDialOption, needleVID, server, true)
if err != nil {
return fmt.Errorf("mark volume %d read/write: %v", volumeId, err)
}
if vinfo.isReadOnly {
err := markVolumeWritable(c.env.option.GrpcDialOption, needleVID, vinfo.server, true)
if err != nil {
return fmt.Errorf("mark volume %d read/write: %v", volumeId, err)
fmt.Fprintf(writer, "temporarily marked %d on server %v writable for forced purge\n", volumeId, server)
defer markVolumeWritable(c.env.option.GrpcDialOption, needleVID, server, false)
fmt.Fprintf(writer, "marked %d on server %v writable for forced purge\n", volumeId, server)
}
if verbose {
fmt.Fprintf(writer, "purging files from volume %d\n", volumeId)
}
fmt.Fprintf(writer, "temporarily marked %d on server %v writable for forced purge\n", volumeId, vinfo.server)
defer markVolumeWritable(c.env.option.GrpcDialOption, needleVID, vinfo.server, false)
}
fmt.Fprintf(writer, "marked %d on server %v writable for forced purge\n", volumeId, vinfo.server)
if verbose {
fmt.Fprintf(writer, "purging files from volume %d\n", volumeId)
}
if err := c.purgeFileIdsForOneVolume(volumeId, orphanFileIds, writer); err != nil {
return fmt.Errorf("purging volume %d: %v", volumeId, err)
if err := c.purgeFileIdsForOneVolume(volumeId, orphanFileIds, writer); err != nil {
return fmt.Errorf("purging volume %d: %v", volumeId, err)
}
}
}
}
@ -290,7 +349,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(volumeIdToVInfo map[u
return nil
}
func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId uint32, vinfo VInfo, verbose bool, writer io.Writer) error {
func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, dataNodeId string, volumeId uint32, vinfo VInfo, verbose bool, writer io.Writer) error {
if verbose {
fmt.Fprintf(writer, "collecting volume %d file ids from %s ...\n", volumeId, vinfo.server)
@ -316,7 +375,7 @@ func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId
return fmt.Errorf("failed to start copying volume %d%s: %v", volumeId, ext, err)
}
err = writeToFile(copyFileClient, getVolumeFileIdFile(tempFolder, volumeId))
err = writeToFile(copyFileClient, getVolumeFileIdFile(tempFolder, dataNodeId, volumeId))
if err != nil {
return fmt.Errorf("failed to copy %d%s from %s: %v", volumeId, ext, vinfo.server, err)
}
@ -327,19 +386,21 @@ func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId
}
func (c *commandVolumeFsck) collectFilerFileIds(volumeIdToServer map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool) error {
func (c *commandVolumeFsck) collectFilerFileIds(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool) error {
if verbose {
fmt.Fprintf(writer, "collecting file ids from filer ...\n")
}
files := make(map[uint32]*os.File)
for vid := range volumeIdToServer {
dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("failed to create file %s: %v", getFilerFileIdFile(tempFolder, vid), openErr)
for _, volumeIdToServer := range dataNodeVolumeIdToVInfo {
for vid := range volumeIdToServer {
dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if openErr != nil {
return fmt.Errorf("failed to create file %s: %v", getFilerFileIdFile(tempFolder, vid), openErr)
}
files[vid] = dst
}
files[vid] = dst
}
defer func() {
for _, f := range files {
@ -377,16 +438,16 @@ func (c *commandVolumeFsck) collectFilerFileIds(volumeIdToServer map[uint32]VInf
})
}
func (c *commandVolumeFsck) oneVolumeFileIdsCheckOneVolume(tempFolder string, volumeId uint32, writer io.Writer, verbose bool, applyPurging bool) (err error) {
func (c *commandVolumeFsck) oneVolumeFileIdsCheckOneVolume(tempFolder string, dataNodeId string, volumeId uint32, writer io.Writer, verbose bool, applyPurging bool) (err error) {
if verbose {
fmt.Fprintf(writer, "find missing file chunks in volume %d ...\n", volumeId)
fmt.Fprintf(writer, "find missing file chunks in dataNodeId %s volume %d ...\n", dataNodeId, volumeId)
}
db := needle_map.NewMemDb()
defer db.Close()
if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, volumeId)); err != nil {
if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, dataNodeId, volumeId)); err != nil {
return
}
@ -473,12 +534,12 @@ func (c *commandVolumeFsck) httpDelete(path util.FullPath, verbose bool) {
}
}
func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder string, volumeId uint32, writer io.Writer, verbose bool) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder string, dataNodeId string, volumeId uint32, writer io.Writer, verbose bool) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
db := needle_map.NewMemDb()
defer db.Close()
if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, volumeId)); err != nil {
if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, dataNodeId, volumeId)); err != nil {
return
}
@ -509,8 +570,8 @@ func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder stri
if orphanFileCount > 0 {
pct := float64(orphanFileCount*100) / (float64(orphanFileCount + inUseCount))
fmt.Fprintf(writer, "volume:%d\tentries:%d\torphan:%d\t%.2f%%\t%dB\n",
volumeId, orphanFileCount+inUseCount, orphanFileCount, pct, orphanDataSize)
fmt.Fprintf(writer, "dataNode:%s\tvolume:%d\tentries:%d\torphan:%d\t%.2f%%\t%dB\n",
dataNodeId, volumeId, orphanFileCount+inUseCount, orphanFileCount, pct, orphanDataSize)
}
return
@ -524,13 +585,13 @@ type VInfo struct {
isReadOnly bool
}
func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose bool, writer io.Writer) (volumeIdToServer map[uint32]VInfo, err error) {
func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose bool, writer io.Writer) (volumeIdToServer map[string]map[uint32]VInfo, err error) {
if verbose {
fmt.Fprintf(writer, "collecting volume id and locations from master ...\n")
}
volumeIdToServer = make(map[uint32]VInfo)
volumeIdToServer = make(map[string]map[uint32]VInfo)
// collect topology information
topologyInfo, _, err := collectTopologyInfo(commandEnv, 0)
if err != nil {
@ -539,8 +600,10 @@ func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose boo
eachDataNode(topologyInfo, func(dc string, rack RackId, t *master_pb.DataNodeInfo) {
for _, diskInfo := range t.DiskInfos {
dataNodeId := t.GetId()
volumeIdToServer[dataNodeId] = make(map[uint32]VInfo)
for _, vi := range diskInfo.VolumeInfos {
volumeIdToServer[vi.Id] = VInfo{
volumeIdToServer[dataNodeId][vi.Id] = VInfo{
server: pb.NewServerAddressFromDataNode(t),
collection: vi.Collection,
isEcVolume: false,
@ -548,7 +611,7 @@ func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose boo
}
}
for _, ecShardInfo := range diskInfo.EcShardInfos {
volumeIdToServer[ecShardInfo.Id] = VInfo{
volumeIdToServer[dataNodeId][ecShardInfo.Id] = VInfo{
server: pb.NewServerAddressFromDataNode(t),
collection: ecShardInfo.Collection,
isEcVolume: true,
@ -600,8 +663,8 @@ func (c *commandVolumeFsck) purgeFileIdsForOneVolume(volumeId uint32, fileIds []
return
}
func getVolumeFileIdFile(tempFolder string, vid uint32) string {
return filepath.Join(tempFolder, fmt.Sprintf("%d.idx", vid))
func getVolumeFileIdFile(tempFolder string, dataNodeid string, vid uint32) string {
return filepath.Join(tempFolder, fmt.Sprintf("%s_%d.idx", dataNodeid, vid))
}
func getFilerFileIdFile(tempFolder string, vid uint32) string {