`Home <index.html>`__ OpenStack Ansible Installation Guide

Galera cluster recovery
-----------------------

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:

   .. code-block:: bash

       $ openstack-ansible galera-install --tags galera-bootstrap


Upon completion of this command the cluster should be back online an in 
a functional state.


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