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Fast forward upgrades

Revision as of 10:05, 26 February 2018 by Rybridges16 (talk | contribs) (Preconditions)

Fast Forward Upgrade steps This document will serve to record a suggested path (and gotchas) when performing a fast-forward upgrade (ffu), as well as link to relevant projects (triple-o, ansible, etc) documentation for ffu.

What is a Fast Forward Upgrade?

A fast-forward upgrade is an offline upgrade which effectively runs the upgrade processes for all versions of openstack components from your originating version to your desired final version.

Preconditions

  • Control plane will be down for the entire time of upgrade
  • VMs should be accessible by customer
  • Since control plane is down, operator can't do actions on existing instances (duh!)
  • Take a full backup of your database before running the migration scripts just in case things get weird

Upgrade scripts

Testing Fast Forward upgrades

Validation

Gotchas