private static void MoveExtentLeft(DiskGroupDatabase database, DynamicVolume volume, MoveExtentOperationResumeRecord resumeRecord, ref long bytesCopied) { DynamicDiskExtent relocatedExtent = DynamicDiskExtentHelper.GetByExtentID(volume.DynamicExtents, resumeRecord.ExtentID); if (resumeRecord.OldStartSector == (ulong)relocatedExtent.FirstSector) { // the database update was not completed (this must be a resume operation) relocatedExtent = new DynamicDiskExtent(relocatedExtent.Disk, (long)resumeRecord.NewStartSector, relocatedExtent.Size, resumeRecord.ExtentID); VolumeManagerDatabaseHelper.UpdateExtentLocation(database, volume, relocatedExtent); } DiskExtent sourceExtent = new DiskExtent(relocatedExtent.Disk, (long)resumeRecord.OldStartSector, relocatedExtent.Size); MoveHelper.MoveExtentDataLeft(volume, sourceExtent, relocatedExtent, resumeRecord, ref bytesCopied); // if this is a resume, then volume is StripedVolume, otherwise it is a Raid5Volume if (resumeRecord.RestoreRAID5) { VolumeManagerDatabaseHelper.ConvertStripedVolumeToRaid(database, volume.VolumeGuid); // get the updated volume (we just reconverted to RAID-5) volume = DynamicVolumeHelper.GetVolumeByGuid(database.Disks, volume.VolumeGuid); } // restore the filesystem boot sector byte[] filesystemBootRecord = relocatedExtent.Disk.ReadSector((long)resumeRecord.BootRecordBackupSector); volume.WriteSectors(0, filesystemBootRecord); ClearBackupData(relocatedExtent.Disk, resumeRecord); }
private static void MoveExtentRight(DiskGroupDatabase database, DynamicVolume volume, MoveExtentOperationResumeRecord resumeRecord, ref long bytesCopied) { DynamicDiskExtent sourceExtent = GetVolumeExtent(volume, resumeRecord.ExtentID); DiskExtent relocatedExtent = new DiskExtent(sourceExtent.Disk, (long)resumeRecord.NewStartSector, sourceExtent.Size); MoveHelper.MoveExtentDataRight(volume, sourceExtent, relocatedExtent, resumeRecord, ref bytesCopied); // even if the database update won't complete, the resume record was copied // update the database DynamicDiskExtent dynamicRelocatedExtent = new DynamicDiskExtent(relocatedExtent, sourceExtent.ExtentID); dynamicRelocatedExtent.Name = sourceExtent.Name; dynamicRelocatedExtent.DiskGuid = sourceExtent.DiskGuid; VolumeManagerDatabaseHelper.UpdateExtentLocation(database, volume, dynamicRelocatedExtent); // if this is a resume, then volume is StripedVolume, otherwise it is a Raid5Volume if (resumeRecord.RestoreRAID5) { VolumeManagerDatabaseHelper.ConvertStripedVolumeToRaid(database, volume.VolumeGuid); } // get the updated volume (we moved an extent and possibly reconverted to RAID-5) volume = DynamicVolumeHelper.GetVolumeByGuid(database.Disks, volume.VolumeGuid); // restore the filesystem boot sector byte[] filesystemBootRecord = relocatedExtent.Disk.ReadSector((long)resumeRecord.BootRecordBackupSector); volume.WriteSectors(0, filesystemBootRecord); ClearBackupData(relocatedExtent.Disk, resumeRecord); }