Enable Grafana GlusterFS volume

Change-Id: Ia2da2d1aa1b0e250b6070aa108d141b14804642f
diff --git a/classes/cluster/virtual-mcp11-dvr/openstack/control.yml b/classes/cluster/virtual-mcp11-dvr/openstack/control.yml
index f06e83d..853a1b4 100644
--- a/classes/cluster/virtual-mcp11-dvr/openstack/control.yml
+++ b/classes/cluster/virtual-mcp11-dvr/openstack/control.yml
@@ -15,6 +15,7 @@
 - system.glusterfs.server.volume.glance
 - system.glusterfs.server.volume.keystone
 - system.glusterfs.server.volume.prometheus
+- system.glusterfs.server.volume.grafana
 - system.glusterfs.server.cluster
 - system.glance.control.cluster
 - system.nova.control.cluster