mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
fsck replicas
This commit is contained in:
Konstantin Lebedev
parent
67d870dfc2
commit
1d9e30d8c0
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@ -11,6 +11,7 @@ import (
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"net/http"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strings"
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"sync"
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@ -65,8 +66,11 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
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verbose := fsckCommand.Bool("v", false, "verbose mode")
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findMissingChunksInFiler := fsckCommand.Bool("findMissingChunksInFiler", false, "see \"help volume.fsck\"")
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findMissingChunksInFilerPath := fsckCommand.String("findMissingChunksInFilerPath", "/", "used together with findMissingChunksInFiler")
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findMissingChunksInVolumeId := fsckCommand.Int("findMissingChunksInVolumeId", 0, "used together with findMissingChunksInFiler")
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applyPurging := fsckCommand.Bool("reallyDeleteFromVolume", false, "<expert only!> after detection, delete missing data from volumes / delete missing file entries from filer")
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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")
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tempPath := fsckCommand.String("tempPath", path.Join(os.TempDir()), "path for temporary idx files")
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if err = fsckCommand.Parse(args); err != nil {
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return nil
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}
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@ -78,7 +82,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
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c.env = commandEnv
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// create a temp folder
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tempFolder, err := os.MkdirTemp("", "sw_fsck")
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tempFolder, err := os.MkdirTemp(*tempPath, "sw_fsck")
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if err != nil {
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return fmt.Errorf("failed to create temp folder: %v", err)
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}
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@ -88,14 +92,14 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
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defer os.RemoveAll(tempFolder)
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// collect all volume id locations
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volumeIdToVInfo, err := c.collectVolumeIds(commandEnv, *verbose, writer)
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dataNodeVolumeIdToVInfo, err := c.collectVolumeIds(commandEnv, *verbose, writer)
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if err != nil {
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return fmt.Errorf("failed to collect all volume locations: %v", err)
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}
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isBucketsPath := false
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var fillerBucketsPath string
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if *findMissingChunksInFiler && *findMissingChunksInFilerPath != "" {
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if *findMissingChunksInFiler && *findMissingChunksInFilerPath != "/" {
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fillerBucketsPath, err = readFilerBucketsPath(commandEnv)
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if err != nil {
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return fmt.Errorf("read filer buckets path: %v", err)
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@ -109,33 +113,41 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
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}
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// collect each volume file ids
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for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
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for volumeId, vinfo := range volumeIdToVInfo {
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if *findMissingChunksInVolumeId > 0 && uint32(*findMissingChunksInVolumeId) != volumeId {
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delete(volumeIdToVInfo, volumeId)
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continue
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}
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if isBucketsPath && !strings.HasPrefix(*findMissingChunksInFilerPath, fillerBucketsPath+"/"+vinfo.collection) {
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delete(volumeIdToVInfo, volumeId)
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continue
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}
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err = c.collectOneVolumeFileIds(tempFolder, volumeId, vinfo, *verbose, writer)
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err = c.collectOneVolumeFileIds(tempFolder, dataNodeId, volumeId, vinfo, *verbose, writer)
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if err != nil {
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return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, err)
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}
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}
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}
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if *findMissingChunksInFiler {
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// collect all filer file ids and paths
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if err = c.collectFilerFileIdAndPaths(volumeIdToVInfo, tempFolder, writer, *findMissingChunksInFilerPath, *verbose, *purgeAbsent); err != nil {
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if err = c.collectFilerFileIdAndPaths(dataNodeVolumeIdToVInfo, tempFolder, writer, *findMissingChunksInFilerPath, *verbose, *purgeAbsent); err != nil {
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return fmt.Errorf("collectFilerFileIdAndPaths: %v", err)
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}
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for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
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// for each volume, check filer file ids
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if err = c.findFilerChunksMissingInVolumeServers(volumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
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if err = c.findFilerChunksMissingInVolumeServers(volumeIdToVInfo, tempFolder, dataNodeId, writer, *verbose, *applyPurging); err != nil {
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return fmt.Errorf("findFilerChunksMissingInVolumeServers: %v", err)
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}
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}
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} else {
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// collect all filer file ids
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if err = c.collectFilerFileIds(volumeIdToVInfo, tempFolder, writer, *verbose); err != nil {
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if err = c.collectFilerFileIds(dataNodeVolumeIdToVInfo, tempFolder, writer, *verbose); err != nil {
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return fmt.Errorf("failed to collect file ids from filer: %v", err)
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}
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// volume file ids subtract filer file ids
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if err = c.findExtraChunksInVolumeServers(volumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
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if err = c.findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo, tempFolder, writer, *verbose, *applyPurging); err != nil {
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return fmt.Errorf("findExtraChunksInVolumeServers: %v", err)
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}
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}
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@ -143,20 +155,24 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
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return nil
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}
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func (c *commandVolumeFsck) collectFilerFileIdAndPaths(volumeIdToServer map[uint32]VInfo, tempFolder string, writer io.Writer, filerPath string, verbose bool, purgeAbsent bool) error {
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func (c *commandVolumeFsck) collectFilerFileIdAndPaths(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, filerPath string, verbose bool, purgeAbsent bool) error {
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if verbose {
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fmt.Fprintf(writer, "checking each file from filer ...\n")
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}
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files := make(map[uint32]*os.File)
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for _, volumeIdToServer := range dataNodeVolumeIdToVInfo {
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for vid := range volumeIdToServer {
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dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
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if openErr != nil {
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return fmt.Errorf("failed to create file %s: %v", getFilerFileIdFile(tempFolder, vid), openErr)
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}
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if _, ok := volumeIdToServer[vid]; !ok {
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files[vid] = dst
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}
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}
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}
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defer func() {
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for _, f := range files {
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f.Close()
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@ -210,10 +226,10 @@ func (c *commandVolumeFsck) collectFilerFileIdAndPaths(volumeIdToServer map[uint
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}
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func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
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func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, dataNodeId string, writer io.Writer, verbose bool, applyPurging bool) error {
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for volumeId, vinfo := range volumeIdToVInfo {
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checkErr := c.oneVolumeFileIdsCheckOneVolume(tempFolder, volumeId, writer, verbose, applyPurging)
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checkErr := c.oneVolumeFileIdsCheckOneVolume(tempFolder, dataNodeId, volumeId, writer, verbose, applyPurging)
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if checkErr != nil {
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return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
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}
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@ -221,12 +237,13 @@ func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInf
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return nil
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}
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func (c *commandVolumeFsck) findExtraChunksInVolumeServers(volumeIdToVInfo map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
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func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool, applyPurging bool) error {
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var totalInUseCount, totalOrphanChunkCount, totalOrphanDataSize uint64
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for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
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for volumeId, vinfo := range volumeIdToVInfo {
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inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(tempFolder, volumeId, writer, verbose)
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inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(tempFolder, dataNodeId, volumeId, writer, verbose)
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if checkErr != nil {
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return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
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}
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@ -273,6 +290,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(volumeIdToVInfo map[u
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}
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}
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}
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}
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if !applyPurging {
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pct := float64(totalOrphanChunkCount*100) / (float64(totalOrphanChunkCount + totalInUseCount))
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@ -290,7 +308,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(volumeIdToVInfo map[u
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return nil
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}
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func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId uint32, vinfo VInfo, verbose bool, writer io.Writer) error {
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func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, dataNodeId string, volumeId uint32, vinfo VInfo, verbose bool, writer io.Writer) error {
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if verbose {
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fmt.Fprintf(writer, "collecting volume %d file ids from %s ...\n", volumeId, vinfo.server)
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@ -316,7 +334,7 @@ func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId
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return fmt.Errorf("failed to start copying volume %d%s: %v", volumeId, ext, err)
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}
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err = writeToFile(copyFileClient, getVolumeFileIdFile(tempFolder, volumeId))
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err = writeToFile(copyFileClient, getVolumeFileIdFile(tempFolder, dataNodeId, volumeId))
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if err != nil {
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return fmt.Errorf("failed to copy %d%s from %s: %v", volumeId, ext, vinfo.server, err)
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}
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@ -327,13 +345,14 @@ func (c *commandVolumeFsck) collectOneVolumeFileIds(tempFolder string, volumeId
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}
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func (c *commandVolumeFsck) collectFilerFileIds(volumeIdToServer map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool) error {
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func (c *commandVolumeFsck) collectFilerFileIds(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, tempFolder string, writer io.Writer, verbose bool) error {
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if verbose {
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fmt.Fprintf(writer, "collecting file ids from filer ...\n")
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}
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files := make(map[uint32]*os.File)
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for _, volumeIdToServer := range dataNodeVolumeIdToVInfo {
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for vid := range volumeIdToServer {
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dst, openErr := os.OpenFile(getFilerFileIdFile(tempFolder, vid), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
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if openErr != nil {
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@ -341,6 +360,7 @@ func (c *commandVolumeFsck) collectFilerFileIds(volumeIdToServer map[uint32]VInf
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}
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files[vid] = dst
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}
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}
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defer func() {
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for _, f := range files {
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f.Close()
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@ -377,7 +397,7 @@ func (c *commandVolumeFsck) collectFilerFileIds(volumeIdToServer map[uint32]VInf
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})
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}
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func (c *commandVolumeFsck) oneVolumeFileIdsCheckOneVolume(tempFolder string, volumeId uint32, writer io.Writer, verbose bool, applyPurging bool) (err error) {
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func (c *commandVolumeFsck) oneVolumeFileIdsCheckOneVolume(tempFolder string, dataNodeId string, volumeId uint32, writer io.Writer, verbose bool, applyPurging bool) (err error) {
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if verbose {
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fmt.Fprintf(writer, "find missing file chunks in volume %d ...\n", volumeId)
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@ -386,7 +406,7 @@ func (c *commandVolumeFsck) oneVolumeFileIdsCheckOneVolume(tempFolder string, vo
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db := needle_map.NewMemDb()
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defer db.Close()
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if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, volumeId)); err != nil {
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if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, dataNodeId, volumeId)); err != nil {
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return
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}
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@ -473,12 +493,12 @@ func (c *commandVolumeFsck) httpDelete(path util.FullPath, verbose bool) {
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}
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}
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func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder string, volumeId uint32, writer io.Writer, verbose bool) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
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func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder string, dataNodeId string, volumeId uint32, writer io.Writer, verbose bool) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
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db := needle_map.NewMemDb()
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defer db.Close()
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if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, volumeId)); err != nil {
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if err = db.LoadFromIdx(getVolumeFileIdFile(tempFolder, dataNodeId, volumeId)); err != nil {
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return
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}
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@ -509,8 +529,8 @@ func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder stri
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if orphanFileCount > 0 {
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pct := float64(orphanFileCount*100) / (float64(orphanFileCount + inUseCount))
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fmt.Fprintf(writer, "volume:%d\tentries:%d\torphan:%d\t%.2f%%\t%dB\n",
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volumeId, orphanFileCount+inUseCount, orphanFileCount, pct, orphanDataSize)
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fmt.Fprintf(writer, "dataNode:%s\tvolume:%d\tentries:%d\torphan:%d\t%.2f%%\t%dB\n",
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dataNodeId, volumeId, orphanFileCount+inUseCount, orphanFileCount, pct, orphanDataSize)
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}
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return
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@ -524,13 +544,13 @@ type VInfo struct {
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isReadOnly bool
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}
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func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose bool, writer io.Writer) (volumeIdToServer map[uint32]VInfo, err error) {
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func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose bool, writer io.Writer) (volumeIdToServer map[string]map[uint32]VInfo, err error) {
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if verbose {
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fmt.Fprintf(writer, "collecting volume id and locations from master ...\n")
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}
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volumeIdToServer = make(map[uint32]VInfo)
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volumeIdToServer = make(map[string]map[uint32]VInfo)
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// collect topology information
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topologyInfo, _, err := collectTopologyInfo(commandEnv, 0)
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if err != nil {
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@ -539,8 +559,10 @@ func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose boo
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eachDataNode(topologyInfo, func(dc string, rack RackId, t *master_pb.DataNodeInfo) {
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for _, diskInfo := range t.DiskInfos {
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dataNodeId := t.GetId()
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volumeIdToServer[dataNodeId] = make(map[uint32]VInfo)
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for _, vi := range diskInfo.VolumeInfos {
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volumeIdToServer[vi.Id] = VInfo{
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volumeIdToServer[dataNodeId][vi.Id] = VInfo{
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server: pb.NewServerAddressFromDataNode(t),
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collection: vi.Collection,
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isEcVolume: false,
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@ -548,7 +570,7 @@ func (c *commandVolumeFsck) collectVolumeIds(commandEnv *CommandEnv, verbose boo
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}
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}
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for _, ecShardInfo := range diskInfo.EcShardInfos {
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volumeIdToServer[ecShardInfo.Id] = VInfo{
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volumeIdToServer[dataNodeId][ecShardInfo.Id] = VInfo{
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server: pb.NewServerAddressFromDataNode(t),
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collection: ecShardInfo.Collection,
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isEcVolume: true,
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@ -600,8 +622,8 @@ func (c *commandVolumeFsck) purgeFileIdsForOneVolume(volumeId uint32, fileIds []
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return
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}
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func getVolumeFileIdFile(tempFolder string, vid uint32) string {
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return filepath.Join(tempFolder, fmt.Sprintf("%d.idx", vid))
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func getVolumeFileIdFile(tempFolder string, dataNodeid string, vid uint32) string {
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return filepath.Join(tempFolder, fmt.Sprintf("%s_%d.idx", dataNodeid, vid))
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}
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func getFilerFileIdFile(tempFolder string, vid uint32) string {
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