diff --git a/cinderclient/tests/unit/v2/fakes.py b/cinderclient/tests/unit/v2/fakes.py
index fb116d6..90e1a2c 100644
--- a/cinderclient/tests/unit/v2/fakes.py
+++ b/cinderclient/tests/unit/v2/fakes.py
@@ -452,6 +452,8 @@ class FakeHTTPClient(base_client.HTTPClient):
             assert list(body[action]) == ['bootable']
         elif action == 'os-unmanage':
             assert body[action] is None
+        elif action == 'os-promote-replica':
+            assert body[action] is None
         elif action == 'os-reenable-replica':
             assert body[action] is None
         elif action == 'os-set_image_metadata':
@@ -1082,6 +1084,9 @@ class FakeHTTPClient(base_client.HTTPClient):
         snapshot.update(kw['body']['snapshot'])
         return (202, {}, {'snapshot': snapshot})
 
+    def post_os_promote_replica_1234(self, **kw):
+        return (202, {}, {})
+
     def post_os_reenable_replica_1234(self, **kw):
         return (202, {}, {})
 
diff --git a/cinderclient/tests/unit/v2/test_shell.py b/cinderclient/tests/unit/v2/test_shell.py
index 453d849..3364b71 100644
--- a/cinderclient/tests/unit/v2/test_shell.py
+++ b/cinderclient/tests/unit/v2/test_shell.py
@@ -1029,6 +1029,11 @@ class ShellTest(utils.TestCase):
         self.assert_called('POST', '/volumes/1234/action',
                            body={'os-unmanage': None})
 
+    def test_replication_promote(self):
+        self.run_command('replication-promote 1234')
+        self.assert_called('POST', '/volumes/1234/action',
+                           body={'os-promote-replica': None})
+
     def test_replication_reenable(self):
         self.run_command('replication-reenable 1234')
         self.assert_called('POST', '/volumes/1234/action',
diff --git a/cinderclient/tests/unit/v2/test_volumes.py b/cinderclient/tests/unit/v2/test_volumes.py
index cd47c80..11fc409 100644
--- a/cinderclient/tests/unit/v2/test_volumes.py
+++ b/cinderclient/tests/unit/v2/test_volumes.py
@@ -281,6 +281,14 @@ class VolumesTest(utils.TestCase):
         cs.assert_called('POST', '/os-snapshot-manage', {'snapshot': expected})
         self._assert_request_id(vol)
 
+    def test_replication_promote(self):
+        v = cs.volumes.get('1234')
+        self._assert_request_id(v)
+        vol = cs.volumes.promote(v)
+        cs.assert_called('POST', '/volumes/1234/action',
+                         {'os-promote-replica': None})
+        self._assert_request_id(vol)
+
     def test_replication_reenable(self):
         v = cs.volumes.get('1234')
         self._assert_request_id(v)
diff --git a/cinderclient/v2/shell.py b/cinderclient/v2/shell.py
index 3716fa7..a854ec6 100644
--- a/cinderclient/v2/shell.py
+++ b/cinderclient/v2/shell.py
@@ -2236,6 +2236,17 @@ def do_unmanage(cs, args):
     cs.volumes.unmanage(volume.id)
 
 
+@utils.arg('volume', metavar='<volume>',
+           help='Name or ID of the volume to promote. '
+                'The volume should have the replica volume created with '
+                'source-replica argument.')
+@utils.service_type('volumev2')
+def do_replication_promote(cs, args):
+    """Promote a secondary volume to primary for a relationship."""
+    volume = utils.find_volume(cs, args.volume)
+    cs.volumes.promote(volume.id)
+
+
 @utils.arg('volume', metavar='<volume>',
            help='Name or ID of the volume to reenable replication. '
                 'The replication-status of the volume should be inactive.')
diff --git a/cinderclient/v2/volumes.py b/cinderclient/v2/volumes.py
index f1fb193..bab4796 100644
--- a/cinderclient/v2/volumes.py
+++ b/cinderclient/v2/volumes.py
@@ -587,6 +587,10 @@ class VolumeManager(base.ManagerWithFind):
         """Unmanage a volume."""
         return self._action('os-unmanage', volume, None)
 
+    def promote(self, volume):
+        """Promote secondary to be primary in relationship."""
+        return self._action('os-promote-replica', volume, None)
+
     def reenable(self, volume):
         """Sync the secondary volume with primary for a relationship."""
         return self._action('os-reenable-replica', volume, None)