- Pre-Upgrade Testing Environment
- Preparing for a Rollback
- Upgrades
- How to Perform an Upgrade from Grizzly to Havana—Ubuntu
- How to Perform an Upgrade from Grizzly to Havana—Red Hat Enterprise Linux and Derivatives
- How to Perform an Upgrade from Havana to Icehouse—Ubuntu
- How to Perform an Upgrade from Havana to Icehouse—Red Hat Enterprise Linux and Derivatives
- Cleaning Up and Final Configuration File Updates
- Rolling Back a Failed Upgrade
With the exception of Object Storage, upgrading from one version of OpenStack to another can take a great deal of effort. Until the situation improves, this chapter provides some guidance on the operational aspects that you should consider for performing an upgrade based on detailed steps for a basic architecture.
