diff --git a/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-dvr.yaml b/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-dvr.yaml
index 838bc31..4d672b3 100644
--- a/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-dvr.yaml
+++ b/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-dvr.yaml
@@ -46,6 +46,11 @@
     reclass-tools del-key parameters.reclass.storage.node.openstack_message_queue_node02 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
     reclass-tools del-key parameters.reclass.storage.node.openstack_message_queue_node03 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
     # reclass-tools del-key parameters.reclass.storage.node.stacklight_log_node01 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
+    # Add cinder volume on cmp nodes. PROD-20945
+    reclass-tools add-key 'classes' 'system.cinder.volume.single' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key 'classes' 'system.cinder.volume.backend.lvm' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key 'classes' 'system.linux.storage.loopback' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key parameters._param.loopback_device_size '20' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/init.yml;
 
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
@@ -58,6 +63,5 @@
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
   skip_fail: true
-  
 
 {{ SHARED.MACRO_GENERATE_INVENTORY(RERUN_SALTMASTER_STATE=true) }}
diff --git a/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-ovs.yaml b/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-ovs.yaml
index dd6c711..7b052a8 100644
--- a/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-ovs.yaml
+++ b/tcp_tests/templates/cookied-model-generator/salt_cookied-mcp-pike-ovs.yaml
@@ -46,6 +46,11 @@
     reclass-tools del-key parameters.reclass.storage.node.openstack_message_queue_node02 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
     reclass-tools del-key parameters.reclass.storage.node.openstack_message_queue_node03 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
     # reclass-tools del-key parameters.reclass.storage.node.stacklight_log_node01 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
+    # Add cinder volume on cmp nodes. PROD-20945
+    reclass-tools add-key 'classes' 'system.cinder.volume.single' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key 'classes' 'system.cinder.volume.backend.lvm' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key 'classes' 'system.linux.storage.loopback' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/compute/init.yml --merge ;
+    reclass-tools add-key parameters._param.loopback_device_size '20' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/openstack/init.yml;
 
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}