Home OpenStack-Ansible Installation Guide
When one or all nodes fail within a galera cluster you may need to re-bootstrap the environment. To make take advantage of the automation Ansible provides simply execute the galera-install.yml play using the galera-bootstrap to auto recover a node or an entire environment.
Run the following Ansible command to show the failed nodes:
# openstack-ansible galera-install.yml --tags galera-bootstrap
Upon completion of this command the cluster should be back online an in a functional state.