[ovirt-users] Is PostgreSQL 9.5 required now as of oVirt 4.2?

[Yedidyah Bar David]

On Thu, May 3, 2018 at 2:58 AM, Lacey Powers <lacey.leanne at gmail.com> wrote:
> Hi All,
>
> I have a setup of oVirt on 4.1 that has been working brilliantly for
> over a year, serving the production workloads at my dayjob without
> complaint.
>
> Originally, I had set it up with a custom PostgreSQL version, 9.6, from
> the PGDG repositories, since the suggested 9.2 was already quite old,
> and it allowed me to keep consistent versions of PostgreSQL across all
> the infrastructure I have.
>
> Now that I am trying to upgrade to oVirt 4.2, when I run engine-setup
> per the directions in the release notes documentation, engine-setup
> insists on PostgreSQL 9.5 from Software Collections, comparing the
> postgresql versions and then aborting.
>
> I don't see a way to tell it that I have a different running version of
> PostgreSQL that's greater than 9.5 already.
>
> Does this mean that no other versions than 9.5 are supported, and I need
> to downgrade and use the Software Collections version exclusively?
>
> Or is there a custom setting that I am missing that will enable me to
> continue using the 9.6 install I already have.
>
> Thank you for your time.

It's not supported out-of-the-box, but a simple workaround exists:

http://lists.ovirt.org/pipermail/users/2018-March/087573.html

We should probably document this somewhere more approachable...

Best regards,
-- 
Didi