'Disallow connection from connector.'

def terminate_connection_iscsi(self, volume, connector, **kwargs):

    eseries_vol = self._get_volume(volume['name_id'])
    initiator = connector['initiator']
    host = self._get_host_with_matching_port([initiator])
    mappings = eseries_vol.get('listOfMappings', [])
    mapping = (mappings[0] if mappings else None)
    if (not mapping):
        raise eseries_exc.VolumeNotMapped(volume_id=volume['id'], host=host['label'])
    host_mapper.unmap_volume_from_host(self._client, volume, host, mapping)
