diff --git a/cinder/tests/unit/test_rbd.py b/cinder/tests/unit/test_rbd.py
index f0c5556733d..0cfc129c057 100644
--- a/cinder/tests/unit/test_rbd.py
+++ b/cinder/tests/unit/test_rbd.py
@@ -721,7 +721,8 @@ class RBDTestCase(test.TestCase):
             storage_protocol='ceph',
             total_capacity_gb=27,
             free_capacity_gb=26,
-            reserved_percentage=0)
+            reserved_percentage=0,
+            multiattach=True)
 
         actual = self.driver.get_volume_stats(True)
         client.cluster.mon_command.assert_called_once_with(
@@ -746,7 +747,8 @@ class RBDTestCase(test.TestCase):
                         storage_protocol='ceph',
                         total_capacity_gb='unknown',
                         free_capacity_gb='unknown',
-                        reserved_percentage=0)
+                        reserved_percentage=0,
+                        multiattach=True)
 
         actual = self.driver.get_volume_stats(True)
         client.cluster.mon_command.assert_called_once_with(
diff --git a/cinder/volume/drivers/rbd.py b/cinder/volume/drivers/rbd.py
index 3711c08d9f8..c54aecbe29f 100644
--- a/cinder/volume/drivers/rbd.py
+++ b/cinder/volume/drivers/rbd.py
@@ -383,6 +383,7 @@ class RBDDriver(driver.TransferVD, driver.ExtendVD,
             'total_capacity_gb': 'unknown',
             'free_capacity_gb': 'unknown',
             'reserved_percentage': 0,
+            'multiattach': True,
         }
         backend_name = self.configuration.safe_get('volume_backend_name')
         stats['volume_backend_name'] = backend_name or 'RBD'