storageRESTMethodRenameFile     = "/renamefile"
	storageRESTMethodVerifyFile     = "/verifyfile"
	storageRESTMethodStatInfoFile   = "/statfile"
	storageRESTMethodReadMultiple   = "/readmultiple"
	storageRESTMethodCleanAbandoned = "/cleanabandoned"
)

const (
	storageRESTVolume        = "volume"
	storageRESTVolumes       = "volumes"
	storageRESTDirPath       = "dir-path"

	VerifyFile(ctx context.Context, volume, path string, fi FileInfo) (*CheckPartsResp, error)
	StatInfoFile(ctx context.Context, volume, path string, glob bool) (stat []StatInfo, err error)
	ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error
	CleanAbandonedData(ctx context.Context, volume string, path string) error

	// Write all data, syncs the data to disk.

		return stat, err
	}
	return d.disk.StatInfoFile(ctx, volume, path, glob)
}

func (d *naughtyDisk) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error {
	if err := d.calcError(); err != nil {
		close(resp)
		return err
	}
	return d.disk.ReadMultiple(ctx, req, resp)
}

func (d *naughtyDisk) CleanAbandonedData(ctx context.Context, volume string, path string) error {

	// Read files in parallel across disks.
	for index := range disks {
		index := index
		g.Go(func() (err error) {
			if disks[index] == nil {
				return errDiskNotFound
			}
			return disks[index].ReadMultiple(ctx, req, resps[index])
		}, index)
	}

	dataArray := make([]ReadMultipleResp, 0, len(req.Files))
	// Merge results. They should come in order from each.
	for _, wantFile := range req.Files {
		quorum := 0