'Get volume status.
If \'refresh\' is True, run update the stats first.'

def fc_get_volume_stats(self, refresh=False):

    if refresh:
        self._stats = self._update_volume_status()
        self._stats['storage_protocol'] = 'FC'
    LOG.debug('data=%(data)s,    config_group=%(group)s', {'data': self._stats, 'group': self._properties['config_group']})
    return self._stats
