On Sat, Feb 9, 2019 at 11:50 PM <jaherring@usa.net> wrote:
The upgrade guide says you must go 3.6 -> 4.0 -> 4.1 etc
https://www.ovirt.org/documentation/upgrade-guide/chap-Upgrading_from_3.6_to...
I just want to know if I really, really have to bare metal install of CentOS all over? That seems crazy in a Linux world.
This is a CentOS question, not an oVirt one. Last time we tried this, in-place upgrade didn't work well, so it's not documented nor tested. But if you manage to make it work, upgrading the oVirt engine inside the machine might work just as a normal upgrade (add repos, update setup packages, engine-setup, update the rest). One important issue is the PostgreSQL database. If you manage to upgrade the OS in-place, this upgrade should hopefully upgrade your database as well. But just in case, manually verify that it did. Bottom line: It's safer and simpler to reinstall, unless you have some concrete reasons (custom stuff etc.) that make it worthwhile for you to try in-place upgrade. Best regards, -- Didi