openstack/tripleo-docs
Code Issues Proposed changes
tripleo-docs/doc/source/advanced_deployment/high_availability.rst
Tomas Sedovic dd6dbd5c8e Move the HA setup notes to its own page 
This moves the guide on setting up high availability from the easily
missed note under Basic deployment to its own page under Advanced
deployment.

HA is an advanced mode of deployment -- one that requires the operators
to learn Pacemaker, deal with more complex configuration of services,
etc.

The page can later be augmented with notes on debugging a HA setup and
talk about pacemaker-lite once that's ready.

Change-Id: If10f00ddebe52d9d19d8c2a1e3b8394115852d60
2016-06-09 11:08:16 +02:00

502 B
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Configuring High Availability

supports high availability of the controller services using Pacemaker. To enable this feature, you need at least three controller nodes, enable Pacemaker as the resource manager and specify an NTP server.

Adding the following arguments to your openstack overcloud deploy command will do the trick:

--control-scale 3 -e /usr/share/openstack-tripleo-heat-templates/environments/puppet-pacemaker.yaml --ntp-server pool.ntp.org