'Create a snapshot of the volume.'

def create_snapshot(self, snapshot):

    src_vol_id = snapshot.volume_id
    src_vol_name = snapshot.volume_name
    src_vol = self._get_vol_by_id(src_vol_id)
    self._do_clone_volume(src_vol, src_vol_name, snapshot)
    snapshot.provider_location = src_vol.provider_location
    LOG.debug('VeritasNFSDriver    create_snapshot    %r', snapshot.provider_location)
    return {'provider_location': snapshot.provider_location}
