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fix: fallback listing on drives that are unformatted, disconnected (#13249)

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Harshavardhana 2021-09-23 17:24:24 -07:00 committed by GitHub
parent a1271d984f
commit 769f0b1e24
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 12 deletions
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4
cmd/metacache-server-pool.go
View File

@ -209,6 +209,10 @@ func (z *erasureServerPools) listPath(ctx context.Context, o *listPathOptions) (
}
}()
o.ID = ""
if err != nil {
logger.LogIf(ctx, fmt.Errorf("Resuming listing from drives failed %w, proceeding to do raw listing", err))
}
}
// Do listing in-place.

33
cmd/metacache-set.go
View File

@ -365,7 +365,6 @@ func (er *erasureObjects) streamMetadataParts(ctx context.Context, o listPathOpt
}
const retryDelay = 500 * time.Millisecond
// Load first part metadata...
// All operations are performed without locks, so we must be careful and allow for failures.
// Read metadata associated with the object from a disk.
if retries > 0 {
@ -373,6 +372,9 @@ func (er *erasureObjects) streamMetadataParts(ctx context.Context, o listPathOpt
if disk == nil {
continue
}
if !disk.IsOnline() {
continue
}
_, err := disk.ReadVersion(ctx, minioMetaBucket,
o.objectPath(0), "", false)
if err != nil {
@ -384,6 +386,7 @@ func (er *erasureObjects) streamMetadataParts(ctx context.Context, o listPathOpt
}
}
// Load first part metadata...
// Read metadata associated with the object from all disks.
fi, metaArr, onlineDisks, err := er.getObjectFileInfo(ctx, minioMetaBucket, o.objectPath(0), ObjectOptions{}, true)
if err != nil {
@ -441,6 +444,9 @@ func (er *erasureObjects) streamMetadataParts(ctx context.Context, o listPathOpt
if disk == nil {
continue
}
if !disk.IsOnline() {
continue
}
_, err := disk.ReadVersion(ctx, minioMetaBucket,
o.objectPath(partN), "", false)
if err != nil {
@ -452,7 +458,7 @@ func (er *erasureObjects) streamMetadataParts(ctx context.Context, o listPathOpt
}
}
// Load first part metadata...
// Load partN metadata...
fi, metaArr, onlineDisks, err = er.getObjectFileInfo(ctx, minioMetaBucket, o.objectPath(partN), ObjectOptions{}, true)
if err != nil {
time.Sleep(retryDelay)
@ -785,11 +791,13 @@ func listPathRaw(ctx context.Context, opts listPathRawOptions) (err error) {
defer cancel()
fallback := func(err error) bool {
if err == nil {
return false
switch err.(type) {
case StorageErr:
// all supported disk errors
// attempt a fallback.
return true
}
return err.Error() == errUnformattedDisk.Error() ||
err.Error() == errVolumeNotFound.Error()
return false
}
askDisks := len(disks)
readers := make([]*metacacheReader, askDisks)
@ -844,6 +852,8 @@ func listPathRaw(ctx context.Context, opts listPathRawOptions) (err error) {
if werr != io.EOF && werr != nil &&
werr.Error() != errFileNotFound.Error() &&
werr.Error() != errVolumeNotFound.Error() &&
werr.Error() != errDiskNotFound.Error() &&
werr.Error() != errUnformattedDisk.Error() &&
!errors.Is(werr, context.Canceled) {
logger.LogIf(ctx, werr)
}
@ -874,12 +884,11 @@ func listPathRaw(ctx context.Context, opts listPathRawOptions) (err error) {
continue
case nil:
default:
if err.Error() == errFileNotFound.Error() {
atEOF++
fnf++
continue
}
if err.Error() == errVolumeNotFound.Error() {
switch err.Error() {
case errFileNotFound.Error(),
errVolumeNotFound.Error(),
errUnformattedDisk.Error(),
errDiskNotFound.Error():
atEOF++
fnf++
continue