func DeleteBlockVolume(mds torus.MetadataService, volume string) error {
	vol, err := mds.GetVolume(volume)
	if err != nil {
		return err
	}
	bmds, err := createBlockMetadata(mds, vol.Name, torus.VolumeID(vol.Id))
	if err != nil {
		return err
	}
	return bmds.DeleteVolume()
}