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fix errors with frozen volume loading

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This commit is contained in:
Tamás Gulácsi 2013-01-14 22:18:00 +01:00
parent f262fed197
commit 92ffba2ab9
3 changed files with 20 additions and 4 deletions
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11
weed-fs/src/pkg/storage/needle_map.go
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@ -178,7 +178,11 @@ func (nm *NeedleMap) Put(key uint64, offset uint32, size uint32) (int, error) {
return nm.indexFile.Write(nm.bytes) return nm.indexFile.Write(nm.bytes)
} }
func (nm *NeedleMap) Get(key uint64) (element *NeedleValue, ok bool) { func (nm *NeedleMap) Get(key uint64) (element *NeedleValue, ok bool) {
element, ok = nm.m.Get(Key(key)) if nm.m != nil {
element, ok = nm.m.Get(Key(key))
} else {
element, ok = nm.fm.Get(Key(key))
}
return return
} }
func (nm *NeedleMap) Delete(key uint64) error { func (nm *NeedleMap) Delete(key uint64) error {
@ -202,5 +206,8 @@ func (nm *NeedleMap) ContentSize() uint64 {
// iterate through all needles using the iterator function // iterate through all needles using the iterator function
func (nm *NeedleMap) Walk(pedestrian func(*NeedleValue) error) (err error) { func (nm *NeedleMap) Walk(pedestrian func(*NeedleValue) error) (err error) {
return nm.m.Walk(pedestrian) if nm.m != nil {
return nm.m.Walk(pedestrian)
}
return nm.fm.Walk(pedestrian)
} }

4
weed-fs/src/pkg/storage/store.go
View file

@ -118,7 +118,9 @@ func (s *Store) loadExistingVolumes() {
if s.volumes[vid] == nil { if s.volumes[vid] == nil {
if v, e := NewVolume(s.dir, vid, CopyNil); e == nil { if v, e := NewVolume(s.dir, vid, CopyNil); e == nil {
s.volumes[vid] = v s.volumes[vid] = v
log.Println("In dir", s.dir, "read volume =", vid, "replicationType =", v.replicaType, "version =", v.version, "size =", v.Size()) log.Println("In dir", s.dir, "read volume =", vid, "replicationType =", v.replicaType, "version =", v.version, "size =", v.Size(), "frozen?", !v.IsWritable())
} else {
log.Println("ERROR loading volume", vid, "in dir", s.dir, ":", e.Error())
} }
} }
} }

9
weed-fs/src/pkg/storage/volume.go
View file

@ -36,7 +36,14 @@ func (v *Volume) load() error {
fileName := path.Join(v.dir, v.Id.String()) fileName := path.Join(v.dir, v.Id.String())
v.dataFile, e = os.OpenFile(fileName+".dat", os.O_RDWR|os.O_CREATE, 0644) v.dataFile, e = os.OpenFile(fileName+".dat", os.O_RDWR|os.O_CREATE, 0644)
if e != nil { if e != nil {
return fmt.Errorf("cannot create Volume Data %s.dat: %s", fileName, e) if os.IsPermission(e) {
if util.FileExists(fileName + ".cdb") {
v.dataFile, e = os.Open(fileName + ".dat")
}
}
if e != nil {
return fmt.Errorf("cannot create Volume Data %s.dat: %s", fileName, e)
}
} }
if v.replicaType == CopyNil { if v.replicaType == CopyNil {
if e = v.readSuperBlock(); e != nil { if e = v.readSuperBlock(); e != nil {