openstack/openstack-ansible
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openstack-ansible/doc/source/install-guide/ops-galera-recovery.rst
Matt Thompson 06708191d6 Install Guide Cleanup 
This commit does the following:

- sets all shell prompts in code-blocks to the root prompt
- uses shell-session code-block since the shell prompt was being
  treated as a comment
- links configure-aodh.rst in configure.rst (running tox was
  complaining that this file wasn't being linked anywhere)
- other minor cleanup

Change-Id: I9e3ac8bb0cabd1cc17952cfd765dbb0d8f7b6fa2
2015-10-21 07:25:25 +01:00

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Home 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.

  1. Run the following Ansible command to show the failed nodes:

    # openstack-ansible galera-install --tags galera-bootstrap

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