Upgrade Trilio

Starting Trilio for Openstack 4.0 does Trilio for Openstack allow in-place upgrades.

The following versions can be upgraded to each other:

Old	New
4.0 GA (4.0.92)	4.0 SP1 (4.0.115)
4.0 GA (4.0.92)	4.1 GA (4.1.94)
4.1 GA (4.1.94)	4.1 HF1 (4.1.94-hotfix1)
4.1 GA (4.1.94)	4.1 HF2 (4.1.94-hotfix2)
4.1 HF1 (4.1.94-hotfix1)	4.1 HF2 (4.1.94-hotfix2)

The upgrade process contains upgrading the Trilio appliance and the Openstack components and is dependent on the underlying operating system.

The Upgrade of Trilio for Canonical Openstack is managed through the charms.