The first step in setting up your highly available OpenStack cluster is to install the operating system on each node. Follow the instructions in the Environment section of the Installation Tutorials and Guides depending on your distribution.
The OpenStack Installation Tutorials and Guides also include a list of the services that use passwords with important notes about using them.
Before following this guide to configure the highly available
OpenStack cluster, ensure the IP
10.0.0.11 and hostname
controller are not in use.
This guide uses the following example IP addresses:
# controller 10.0.0.11 controller # virtual IP 10.0.0.12 controller1 10.0.0.13 controller2 10.0.0.14 controller3