diff --git a/de/heat-templates/env/mstr1-wrkr5-cmp3-gtw0.yaml b/de/heat-templates/env/mstr1-wrkr5-cmp3-gtw0.yaml
index b3ee49c..c5b2d22 100644
--- a/de/heat-templates/env/mstr1-wrkr5-cmp3-gtw0.yaml
+++ b/de/heat-templates/env/mstr1-wrkr5-cmp3-gtw0.yaml
@@ -22,4 +22,23 @@
   worker_metadata: {"labels": {"openstack-control-plane":"enabled","openvswitch":"enabled","openstack-gateway":"enabled","role":"ceph-osd-node"}}
   cmp_metadata: {"labels": {"openstack-compute-node":"enabled","openvswitch":"enabled", "role":"ceph-osd-node"}}
   gtw_metadata: {"labels": {"openvswitch":"enabled"}}
-  hardware_metadata: ''
+  workers_flavor: 'system.compact.openstack.control.ephemeral'
+  cmps_flavor: 'system.compact.openstack.control.ephemeral'
+  hardware_metadata: |
+    '00:00:00:00:00:00':
+      write_files:
+        - path: /usr/share/metadata/ceph.yaml
+          content: |
+            storageDevices:
+              - name: vdb
+                role: hdd
+                sizeGb: 20
+            ram: 8
+            cores: 2
+            # The roles will be assigned based on node labels.
+            # roles:
+            #   - mon
+            #   - mgr
+            ips:
+              - 192.168.122.101
+            crushPath: {}