seaweedfs/weed/command/fix.go

72 lines
2 KiB
Go
Raw Normal View History

package command
import (
2012-12-21 06:32:21 +00:00
"os"
"path"
"strconv"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
"github.com/chrislusf/seaweedfs/weed/storage/types"
)
func init() {
2012-12-21 06:32:21 +00:00
cmdFix.Run = runFix // break init cycle
}
var cmdFix = &Command{
2013-01-20 03:49:57 +00:00
UsageLine: "fix -dir=/tmp -volumeId=234",
2012-12-21 06:32:21 +00:00
Short: "run weed tool fix on index file if corrupted",
Long: `Fix runs the SeaweedFS fix command to re-create the index .idx file.
`,
}
var (
2015-05-26 06:53:45 +00:00
fixVolumePath = cmdFix.Flag.String("dir", ".", "data directory to store files")
2013-11-12 10:21:22 +00:00
fixVolumeCollection = cmdFix.Flag.String("collection", "", "the volume collection name")
fixVolumeId = cmdFix.Flag.Int("volumeId", -1, "a volume id. The volume should already exist in the dir. The volume index file should not exist.")
)
func runFix(cmd *Command, args []string) bool {
2013-01-20 03:49:57 +00:00
if *fixVolumeId == -1 {
2012-12-21 06:32:21 +00:00
return false
}
2013-01-20 03:49:57 +00:00
fileName := strconv.Itoa(*fixVolumeId)
2013-11-12 10:21:22 +00:00
if *fixVolumeCollection != "" {
fileName = *fixVolumeCollection + "_" + fileName
}
2014-03-10 01:50:09 +00:00
indexFile, err := os.OpenFile(path.Join(*fixVolumePath, fileName+".idx"), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
glog.Fatalf("Create Volume Index [ERROR] %s\n", err)
2012-12-21 06:32:21 +00:00
}
defer indexFile.Close()
2017-05-27 05:51:25 +00:00
nm := storage.NewBtreeNeedleMap(indexFile)
defer nm.Close()
vid := storage.VolumeId(*fixVolumeId)
err = storage.ScanVolumeFile(*fixVolumePath, *fixVolumeCollection, vid,
storage.NeedleMapInMemory,
func(superBlock storage.SuperBlock) error {
return nil
}, false, func(n *storage.Needle, offset int64) error {
glog.V(2).Infof("key %d offset %d size %d disk_size %d gzip %v", n.Id, offset, n.Size, n.DiskSize(), n.IsGzipped())
if n.Size > 0 {
pe := nm.Put(n.Id, types.Offset(offset/types.NeedlePaddingSize), n.Size)
glog.V(2).Infof("saved %d with error %v", n.Size, pe)
} else {
glog.V(2).Infof("skipping deleted file ...")
return nm.Delete(n.Id, types.Offset(offset/types.NeedlePaddingSize))
}
return nil
})
if err != nil {
glog.Fatalf("Export Volume File [ERROR] %s\n", err)
2012-12-21 06:32:21 +00:00
}
return true
}