These steps assume that cluster has been upgraded to 3.1 either manually or via the upgrade playbook.
WARNING: Playbooks will re-run cluster configuration steps, therefore any settings that are not stored in your inventory file will be overwritten. Backup any configuration files that have been modified since installation.
1. Modify Ansible Inventory
Original ansible inventory configuration for pacemaker contains a VIP and a cluster hostname which should resolve to this VIP. Native HA requires a cluster hostname which resolves to the load balancer being used.