'Check disk status for ex_create_multiple_nodes.
:param  status: Dictionary for holding node/disk creation status.
(This dictionary is modified by this method)
:type   status: ``dict``
:param  node_attrs: Dictionary for holding node attribute information.
(size, image, location, etc.)
:type   node_attrs: ``dict``'

def _multi_check_disk(self, status, node_attrs):

    error = None
    try:
        response = self.connection.request(status['disk_response']['selfLink']).object
    except GoogleBaseError:
        e = self._catch_error(ignore_errors=node_attrs['ignore_errors'])
        error = e.value
        code = e.code
        response = {'status': 'DONE'}
    if (response['status'] == 'DONE'):
        status['disk_response'] = None
        if error:
            status['disk'] = GCEFailedDisk(status['name'], error, code)
        else:
            status['disk'] = self.ex_get_volume(status['name'], node_attrs['location'])
