volume: add a note file to avoid incomplete volume files

fix https://github.com/chrislusf/seaweedfs/issues/1567
This commit is contained in:
Chris Lu 2020-10-27 15:56:49 -07:00
parent 6da87720eb
commit 53c3aad875
3 changed files with 25 additions and 7 deletions

View file

@ -4,6 +4,7 @@ import (
"context"
"fmt"
"io"
"io/ioutil"
"math"
"os"
"time"
@ -60,6 +61,8 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
volumeFileName = storage.VolumeFileName(location.Directory, volFileInfoResp.Collection, int(req.VolumeId))
ioutil.WriteFile(volumeFileName+".note", []byte(fmt.Sprintf("copying from %s", req.SourceDataNode)), 0755)
// println("source:", volFileInfoResp.String())
if err := vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, volumeFileName, ".dat", false, true); err != nil {
return err
@ -73,6 +76,8 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
return err
}
os.Remove(volumeFileName+".note")
return nil
})

View file

@ -13,6 +13,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/stats"
"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
"github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/chrislusf/seaweedfs/weed/util"
)
type DiskLocation struct {
@ -60,6 +61,13 @@ func parseCollectionVolumeId(base string) (collection string, vid needle.VolumeI
func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind NeedleMapType) bool {
name := fileInfo.Name()
if !fileInfo.IsDir() && strings.HasSuffix(name, ".idx") {
noteFile := l.Directory + "/" + name + ".note"
if util.FileExists(noteFile) {
note, _ := ioutil.ReadFile(noteFile)
glog.Warningf("volume %s was not completed: %s", name, string(note))
removeVolumeFiles(l.Directory + "/" + name)
return false
}
vid, collection, err := l.volumeIdFromPath(fileInfo)
if err != nil {
glog.Warningf("get volume id failed, %s, err : %s", name, err)

View file

@ -56,16 +56,21 @@ func (v *Volume) Destroy() (err error) {
}
}
v.Close()
os.Remove(v.FileName() + ".dat")
os.Remove(v.FileName() + ".idx")
os.Remove(v.FileName() + ".vif")
os.Remove(v.FileName() + ".sdx")
os.Remove(v.FileName() + ".cpd")
os.Remove(v.FileName() + ".cpx")
os.RemoveAll(v.FileName() + ".ldb")
removeVolumeFiles(v.FileName())
return
}
func removeVolumeFiles(filename string) {
os.Remove(filename+ ".dat")
os.Remove(filename + ".idx")
os.Remove(filename + ".vif")
os.Remove(filename + ".sdx")
os.Remove(filename + ".cpd")
os.Remove(filename + ".cpx")
os.RemoveAll(filename + ".ldb")
os.Remove(filename + ".note")
}
func (v *Volume) asyncRequestAppend(request *needle.AsyncRequest) {
v.asyncRequestsChan <- request
}