'Returns a list of available backup storage policies
:param  target: The backup target to list available policies for
:type   target: :class:`BackupTarget` or ``str``
:rtype: ``list`` of :class:`DimensionDataBackupStoragePolicy`'

def ex_list_available_storage_policies(self, target):

    server_id = self._target_to_target_address(target)
    response = self.connection.request_with_orgId_api_1(('server/%s/backup/client/storagePolicy' % server_id), method='GET').object
    return self._to_storage_policies(response)
