'Removes the specified volume from Cinder management.
Does not delete the underlying backend storage object. Logs a
message to indicate the volume is no longer under Cinder\'s control.'

def unmanage(self, volume):

    managed_vol = self._get_volume(volume['id'])
    LOG.info('Unmanaged    volume    with    current    label    %(label)s    and    wwn    %(wwn)s.', {'label': managed_vol['label'], 'wwn': managed_vol[self.WORLDWIDENAME]})
