6:25 p.m.
Hi Thomas,
some feedback from Oracle:
On Apr 17, 2024, at 5:12 PM, Thomas Hoberg <thomas(a)hoberg.net> wrote:
I've tried to re-deploy oVirt 4.3 on CentOS7 servers because I had managed to utterly
destroy a HCI farm, where most VMs had migrated to Oracles variant of RHV 4.4 on Oracle
Linux. I guess I grew a bit careless towards its end.
Mostly it was just an academic exercise to see if it could be resurrected... I was much
happier with the Oracle variant anyway.
Good to know!
And I've hit similar issues all over the place: the ansible scripts and/or the python
packages they interact with are utterly broken with now years of completely disjunct
bug-fixing going on.
The underlying CentOS 7 packages continue in maintenance (some more weeks to go..), but
the oVirt 4.3 on top has been unmaintained for years.
Since these are just sanity checks, I deleted all of them, one after the other (and there
is lots of them!), and I eventually got it to work again.
Don't have a single VM on it, though, because you can't trust it, the hardware is
ancient and it really was just a finger exercise at that stage. With CentOS 7 going out of
support now, it's really messing with a corpse.
I'm currently operating Oracle's 4.4 variant running on their Linux, too, which
still has Gluster based HCI built-in, even if they don't mention it at all.
We mention it on our docs:
https://docs.oracle.com/en/virtualization/oracle-linux-virtualization-man...
and it’s still there for 4.5 release.
Just make sure you switch their Unbreakable Linux kernel for the Redhat variant
everywhere, otherwise you'll risk all kinds of nasties.
We support both UEK and RHCK (Red Hat Compatible Kernel); if an issue is there, we want to
know :)
It's been way more stable than oVirt 4.3 ever was, but that doesn't mean it's
"enterprise": that was always one fat big exaggeration, withful thinking,
whatever.
This is due to oVirt people and our own testing too! oVirt 4.4 is, for sure, more stable
too.
And don't fall for their 4.5 variant, that came out end of last year: that one
doesn't support HCI any more and actually seems to fail withOUT their Enterprise Linux
kernels.
We still support HCI and we still support our own kernel (UEK) as well as the Red Hat
Compatible one.
And no, it doesn't run on EL9 either, that might take another year or so, as
Oracle's oVirt implementation is almost a year behind oVirt at the moment.
This is our choice; we today have the same UEK7 kernel (5.15.0-x) available for OL8 and
OL9 and we do not see any reason to force our customers/users to upgrade to 9.
Simon
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