return err
	}
	return d.disk.RenameFile(ctx, srcVolume, srcPath, dstVolume, dstPath)
}

func (d *naughtyDisk) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.CheckParts(ctx, volume, path, fi)
}

	ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)
	RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error
	CheckParts(ctx context.Context, volume string, path string, fi FileInfo) error
	Delete(ctx context.Context, volume string, path string, opts DeleteOptions) (err error)
	VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error

		DiskID:   *client.diskID.Load(),
		Volume:   volume,
		FilePath: path,
		Buf:      b,
	})
	return toStorageErr(err)
}

// CheckParts - stat all file parts.
func (client *storageRESTClient) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) error {
	_, err := storageCheckPartsRPC.Call(ctx, client.gridConn, &CheckPartsHandlerParams{
		DiskID:   *client.diskID.Load(),

			if !meta.Deleted && !meta.IsRemote() {
				dataErrs[i] = onlineDisk.VerifyFile(ctx, bucket, object, meta)
			}
		case madmin.HealNormalScan:
			if !meta.Deleted && !meta.IsRemote() {
				dataErrs[i] = onlineDisk.CheckParts(ctx, bucket, object, meta)
			}
		}

		if dataErrs[i] == nil {
			// All parts verified, mark it as all data available.
			availableDisks[i] = onlineDisk
		} else {

	})
}

func (p *xlStorageDiskIDCheck) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricCheckParts, volume, path)
	if err != nil {
		return err
	}
	defer done(&err)

	w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
	return w.Run(func() error { return p.storage.CheckParts(ctx, volume, path, fi) })
}

	n, err := w.Write(buf)
	if err != nil {
		return err
	}

	if n != len(buf) {
		return io.ErrShortWrite
	}

	return nil
}

// CheckParts check if path has necessary parts available.
func (s *xlStorage) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) error {
	volumeDir, err := s.getVolDir(volume)
	if err != nil {
		return err
	}

	if !s.checkID(p.DiskID) {
		return grid.NewNPErr(errDiskNotFound)
	}
	volume := p.Volume
	filePath := p.FilePath
	return grid.NewNPErr(s.getStorage().CheckParts(context.Background(), volume, filePath, p.FI))
}

func (s *storageRESTServer) WriteAllHandler(p *WriteAllHandlerParams) (grid.NoPayload, *grid.RemoteErr) {
	if !s.checkID(p.DiskID) {