diff --git a/inventory/group_vars/OSEv3.yml b/inventory/group_vars/OSEv3.yml
index 02f1be2..b0f322b 100644
--- a/inventory/group_vars/OSEv3.yml
+++ b/inventory/group_vars/OSEv3.yml
@@ -91,3 +91,6 @@ ansible_become: true
 #openshift_use_openshift_sdn: false
 #openshift_use_flannel: true
 #flannel_interface: eth1
+
+openshift_use_crio: true
+openshift_use_crio_only: true
diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index 5eba021..1362a4f 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/group_vars/all.yml
@@ -204,3 +204,8 @@ openshift_use_cinder_persistent_volume: true
 ## cloud config
 openshift_openstack_disable_root: true
 openshift_openstack_user: openshift
+
+#crio
+openshift_openstack_master_group_name: node-config-master-crio
+openshift_openstack_infra_group_name: node-config-infra-crio
+openshift_openstack_compute_group_name: node-config-compute-crio