}
	if diskID == offlineDiskUUID {
		return -1, -1, fmt.Errorf("DriveID: %s is offline", diskID)
	}
	for i := 0; i < len(refFormat.Erasure.Sets); i++ {
		for j := 0; j < len(refFormat.Erasure.Sets[0]); j++ {
			if refFormat.Erasure.Sets[i][j] == diskID {
				return i, j, nil
			}
		}
	}

	return -1, -1, fmt.Errorf("DriveID: %s not found", diskID)
}