Supported Trilio Upgrade Path

The following versions can be upgraded to each other:

From	To
4.1 GA (4.1.94) or 4.1.HFx	5.x.x
4.2 GA (4.2.64) or 4.2.HFx or 4.2.x	5.x.x

The upgrade process involves upgrading the Trilio appliance and the OpenStack components and is dependent on the underlying operating system till T4O 4.2 release.

From the T4O 5.0 release, the Trilio appliance is deprecated and all the WLM services are containerized and will be deployed on OpenStack itself.