diff --git a/roles/ComputeHCIOvsDpdk.yaml b/roles/ComputeHCIOvsDpdk.yaml
index 4fbc2fe592..bce7d32b6d 100644
--- a/roles/ComputeHCIOvsDpdk.yaml
+++ b/roles/ComputeHCIOvsDpdk.yaml
@@ -13,6 +13,8 @@
       subnet: storage_subnet
     StorageMgmt:
       subnet: storage_mgmt_subnet
+  # CephOSD present so serial has to be 1
+  update_serial: 1
   RoleParametersDefault:
     TunedProfileName: "cpu-partitioning"
     VhostuserSocketGroup: "hugetlbfs"
diff --git a/roles/ComputeLocalEphemeral.yaml b/roles/ComputeLocalEphemeral.yaml
index 8a13c64e00..81623ecf3e 100644
--- a/roles/ComputeLocalEphemeral.yaml
+++ b/roles/ComputeLocalEphemeral.yaml
@@ -15,6 +15,7 @@
       subnet: tenant_subnet
     Storage:
       subnet: storage_subnet
+  update_serial: 25
   HostnameFormatDefault: '%stackname%-novacompute-local-%index%'
   RoleParametersDefault:
     TunedProfileName: "virtual-host"
diff --git a/roles/ComputeRBDEphemeral.yaml b/roles/ComputeRBDEphemeral.yaml
index f10b9c4108..33a443bab4 100644
--- a/roles/ComputeRBDEphemeral.yaml
+++ b/roles/ComputeRBDEphemeral.yaml
@@ -15,6 +15,7 @@
       subnet: tenant_subnet
     Storage:
       subnet: storage_subnet
+  update_serial: 25
   HostnameFormatDefault: '%stackname%-novacompute-rbd-%index%'
   RoleParametersDefault:
     TunedProfileName: "virtual-host"
diff --git a/tools/yaml-validate.py b/tools/yaml-validate.py
index a13d32d581..889c33af75 100755
--- a/tools/yaml-validate.py
+++ b/tools/yaml-validate.py
@@ -452,8 +452,27 @@ def validate_with_compute_role_services(role_filename, role_tpl, exclude_service
               'ServicesDefault in roles/Compute.yaml'.format(role_filename,
               ', '.join(missing_services)))
         return 1
-    return 0
 
+    cmpt_us = cmpt_tpl[0].get('update_serial', None)
+    tpl_us = role_tpl[0].get('update_serial', None)
+
+    if 'OS::TripleO::Services::CephOSD' in role_services:
+        if tpl_us not in (None, 1):
+            print('ERROR: update_serial in {0} ({1}) '
+                  'is should be 1 as it includes CephOSD'.format(
+                      role_filename,
+                      tpl_us,
+                      cmpt_us))
+            return 1
+    elif cmpt_us is not None and tpl_us != cmpt_us:
+        print('ERROR: update_serial in {0} ({1}) '
+              'does not match roles/Compute.yaml {2}'.format(
+                  role_filename,
+                  tpl_us,
+                  cmpt_us))
+        return 1
+
+    return 0
 
 def validate_multiarch_compute_roles(role_filename, role_tpl):
     errors = 0