diff --git a/cinder/volume/drivers/ibm/storwize_svc/storwize_svc_common.py b/cinder/volume/drivers/ibm/storwize_svc/storwize_svc_common.py
index 4f6f026ba5f..335ebf3ed61 100644
--- a/cinder/volume/drivers/ibm/storwize_svc/storwize_svc_common.py
+++ b/cinder/volume/drivers/ibm/storwize_svc/storwize_svc_common.py
@@ -2124,6 +2124,7 @@ class StorwizeHelpers(object):
             rc_id = self.ssh.mkrcrelationship(master, aux, system,
                                               asyncmirror, cyclingmode)
         except exception.VolumeBackendAPIException as e:
+            rc_id = None
             # CMMVC5959E is the code in Stowize storage, meaning that
             # there is a relationship that already has this name on the
             # master cluster.
diff --git a/cinder/volume/drivers/inspur/instorage/instorage_common.py b/cinder/volume/drivers/inspur/instorage/instorage_common.py
index b7792a0f7bd..e1c759537d1 100644
--- a/cinder/volume/drivers/inspur/instorage/instorage_common.py
+++ b/cinder/volume/drivers/inspur/instorage/instorage_common.py
@@ -2902,6 +2902,7 @@ class InStorageAssistant(object):
             rc_id = self.ssh.mkrcrelationship(master, aux, system,
                                               asynccopy)
         except exception.VolumeBackendAPIException as e:
+            rc_id = None
             # CMMVC5959E is the code in InStorage, meaning that
             # there is a relationship that already has this name on the
             # master cluster.