diff --git a/etc/openstack_deploy/user_variables.yml.prod-ceph.example b/etc/openstack_deploy/user_variables.yml.prod-ceph.example
index d45bd56f04..966fa8445e 100644
--- a/etc/openstack_deploy/user_variables.yml.prod-ceph.example
+++ b/etc/openstack_deploy/user_variables.yml.prod-ceph.example
@@ -13,6 +13,11 @@ haproxy_keepalived_internal_interface: br-mgmt
 generate_fsid: false
 fsid: 116f14c4-7fe1-40e4-94eb-9240b63de5c1 # Replace with your generated UUID
 
+## Provide the ceph_mons list which is used by the OSA ceph_client role
+ceph_mons: "{{ groups[mon_group_name]
+               | map('extract', hostvars, 'ansible_host')
+               | list }}"
+
 ## ceph-ansible settings
 ## See https://github.com/ceph/ceph-ansible/tree/master/group_vars for
 ## additional configuration options availble.