Upgrade the Openstack Installation

The current architecture in our clouds will in a large degree allow live upgrades. The upgrades are performed openstack project for openstack project, and the specifics for each upgrade will be available in the openstack release-notes. We should also write important considerations in our puppet release-notes, and in specific articles in this wiki (child-pages of the page you are currently reading). Various openstack-projects depends on eachother, and you should thus ensure that projects providing services for other projects should be upgraded first.

Upgrading the whole openstack-installation is a bit of work, and should be done in the same sequence that we have tested for. It is a large distributed system, so order does in some case matter.

These articles describes how to upgrade a certain version of openstack to another: