package storage import ( "github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb" "github.com/seaweedfs/seaweedfs/weed/storage/backend" _ "github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend" "github.com/seaweedfs/seaweedfs/weed/storage/needle" "github.com/seaweedfs/seaweedfs/weed/storage/types" "github.com/seaweedfs/seaweedfs/weed/storage/volume_info" ) func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo { return v.volumeInfo } func (v *Volume) maybeLoadVolumeInfo() (found bool) { var err error v.volumeInfo, v.hasRemoteFile, found, err = volume_info.MaybeLoadVolumeInfo(v.FileName(".vif")) if v.volumeInfo.Version == 0 { v.volumeInfo.Version = uint32(needle.CurrentVersion) } if v.hasRemoteFile { glog.V(0).Infof("volume %d is tiered to %s as %s and read only", v.Id, v.volumeInfo.Files[0].BackendName(), v.volumeInfo.Files[0].Key) } else { if v.volumeInfo.BytesOffset == 0 { v.volumeInfo.BytesOffset = uint32(types.OffsetSize) } } if v.volumeInfo.BytesOffset != 0 && v.volumeInfo.BytesOffset != uint32(types.OffsetSize) { var m string if types.OffsetSize == 5 { m = "without" } else { m = "with" } glog.Exitf("BytesOffset mismatch in volume info file %s, try use binary version %s large_disk", v.FileName(".vif"), m) return } if err != nil { glog.Warningf("load volume %d.vif file: %v", v.Id, err) return } return } func (v *Volume) HasRemoteFile() bool { return v.hasRemoteFile } func (v *Volume) LoadRemoteFile() error { tierFile := v.volumeInfo.GetFiles()[0] backendStorage := backend.BackendStorages[tierFile.BackendName()] if v.DataBackend != nil { v.DataBackend.Close() } v.DataBackend = backendStorage.NewStorageFile(tierFile.Key, v.volumeInfo) return nil } func (v *Volume) SaveVolumeInfo() error { tierFileName := v.FileName(".vif") return volume_info.SaveVolumeInfo(tierFileName, v.volumeInfo) }