diff --git a/nova_powervm/conf/powervm.py b/nova_powervm/conf/powervm.py
index 3d46f8d2..f76f0233 100644
--- a/nova_powervm/conf/powervm.py
+++ b/nova_powervm/conf/powervm.py
@@ -124,7 +124,11 @@ vol_adapter_opts = [
                help="The iSCSI transport iface to use to connect to target in "
                     "case offload support is desired. Do not confuse the "
                     "iscsi_iface parameter to be provided here with the "
-                    "actual transport name.")
+                    "actual transport name."),
+    cfg.StrOpt('rbd_user',
+               default='',
+               help="Refer to this user when connecting and authenticating "
+                    "with the Ceph RBD server.")
 ]
 
 # NPIV Options.  Only applicable if the 'fc_attach_strategy' is set to 'npiv'.
diff --git a/nova_powervm/tests/virt/powervm/volume/test_rbd.py b/nova_powervm/tests/virt/powervm/volume/test_rbd.py
index b3264286..14e16e01 100644
--- a/nova_powervm/tests/virt/powervm/volume/test_rbd.py
+++ b/nova_powervm/tests/virt/powervm/volume/test_rbd.py
@@ -91,12 +91,13 @@ class TestRBDVolumeAdapter(test_vol.TestVolumeAdapter):
         mock_udid_to_map.return_value = mock.Mock()
         mock_add_map.return_value = None
 
+        # Set user
+        v_drv.CONF.powervm.rbd_user = 'tester'
         # Invoke
         self.vol_drv.connect_volume(mock_slot_mgr)
-
         # Validate
         mock_rbd_bld_ref.assert_called_once_with(
-            self.adpt, 'pool/image', tag='a_vol_id')
+            self.adpt, 'pool/image', tag='a_vol_id', user='tester')
         self.assertEqual(1, mock_build_map.call_count)
         self.assertEqual(1, mock_udid_to_map.call_count)
 
@@ -129,7 +130,7 @@ class TestRBDVolumeAdapter(test_vol.TestVolumeAdapter):
 
         # Validate
         mock_rbd_bld_ref.assert_called_once_with(
-            self.adpt, 'pool/image', tag='a_vol_id')
+            self.adpt, 'pool/image', tag='a_vol_id', user='')
         self.assertEqual(0, mock_build_map.call_count)
 
     @mock.patch('pypowervm.entities.Entry.uuid',
diff --git a/nova_powervm/virt/powervm/volume/rbd.py b/nova_powervm/virt/powervm/volume/rbd.py
index f7d64219..8d8eec42 100644
--- a/nova_powervm/virt/powervm/volume/rbd.py
+++ b/nova_powervm/virt/powervm/volume/rbd.py
@@ -88,7 +88,8 @@ class RBDVolumeAdapter(v_driver.PowerVMVolumeAdapter):
     def _connect_volume(self, slot_mgr):
         name = self.connection_info["data"]["name"]
         volid = self.connection_info["data"]["volume_id"]
-        rbd = pvm_stg.RBD.bld_ref(self.adapter, name, tag=volid)
+        user = CONF.powervm.rbd_user
+        rbd = pvm_stg.RBD.bld_ref(self.adapter, name, tag=volid, user=user)
 
         def add_func(vios_w):
             # If the vios doesn't match, just return