Mirantis OpenStack 9.2 is distributed as an update repository. With the help of Mirantis Support, you can safely update your Mirantis OpenStack 9.0 or 9.1 to 9.2 using the procedure described in this section.
During the Mirantis OpenStack update, the OpenStack services are updated as well as RabbitMQ and MySQL. An important part of the update procedure is the Linux kernel upgrade to version 4.4. This procedure also contains the update of Ceph from version 0.94.6 to 0.94.9. The update of other environment components does not occur within the scope of Mirantis OpenStack update.
Warning
Updating of a Mirantis OpenStack deployment results in a downtime of the entire environment. Therefore, before applying the updates to production, you must plan a maintenance window and back up your deployment as well as test the updates on your staging environment. We strongly recommend consulting Mirantis Support if you plan to update your Mirantis OpenStack environment.
This section includes the following topics: