diff --git a/classes/cluster/os-ha-ovs/openstack/control.yml b/classes/cluster/os-ha-ovs/openstack/control.yml
index a01afb8..03c2070 100644
--- a/classes/cluster/os-ha-ovs/openstack/control.yml
+++ b/classes/cluster/os-ha-ovs/openstack/control.yml
@@ -4,6 +4,7 @@
 - system.linux.system.repo.mcp.openstack
 - system.linux.system.repo.mcp.extra
 - system.linux.system.repo.saltstack.xenial
+- system.linux.storage.loopback
 - system.memcached.server.single
 - system.rabbitmq.server.cluster
 - system.rabbitmq.server.vhost.openstack
@@ -19,6 +20,9 @@
 - system.nova.control.cluster
 - system.neutron.control.openvswitch.cluster
 - system.cinder.control.cluster
+- system.cinder.control.backend.lvm
+- system.cinder.volume.single
+- system.cinder.volume.backend.lvm
 - system.heat.server.cluster
 - system.designate.server.cluster
 - system.designate.server.backend.bind
diff --git a/classes/cluster/os-ha-ovs/openstack/init.yml b/classes/cluster/os-ha-ovs/openstack/init.yml
index da3da94..6fc3d30 100644
--- a/classes/cluster/os-ha-ovs/openstack/init.yml
+++ b/classes/cluster/os-ha-ovs/openstack/init.yml
@@ -124,6 +124,7 @@
     horizon_identity_encryption: none
     horizon_identity_version: 2
     nginx_proxy_openstack_api_proxy_host: ${_param:cluster_vip_address}
+    loopback_device_size: 20
   linux:
     network:
       host: