On Wed, May 16, 2018 at 7:26 PM, Michael Watters <watte...@watters.ws>
wrote:

> Is it possible to have multiple engines with different versions of ovirt
> running in the same cluster?  I am working on a plan to upgrade our
> ovirt cluster to the 4.2 release however we would like to have a
> rollback plan in case there are issues with the new engine.
>

If this is on a production-level setup, you anyway should have a
contingency plan if anything goes bad to the engine.
I recommend automated engine setup along with regular engine backup.
You can then take a backup prior to upgrade.

Y.


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