[ovirt-users] Re: Q: Engione 4.4.10 and New Host on CentOS Stream 9
Hi,
My oldest nodes are version 4.2 on CentOS 7.6.
What is the latest cluster compatibility level they support?
Looks like oVirt Engine version and cluster compatibility level do not match number to
number, e.g. my oVirt engine 4.4.10 seems can set cluster compatibility level up to 4.6.
Someone from Red Hat, please clarify.
Thanks in advance.
On 29 Aug 2022, at 15:09, Jirka Simon <jirka(a)vesim.cz> wrote:
Hi Andrei,
as I know, you need to have to have your cluster with at least 4.3 version to migrate to
4.5. I was facing the same problem with (not so) old hardware. and i started to do step
by step migration.
it means i created new cluster with fresh configuration with ovirt 4.5 and cluster
compatibility version 4.7 next to old one with 4.4. Iit is a good opportunity to prepare
whole cluster configuration in ansible for me :D
Then I migrate VMs one by one from old cluster to the new one. When is one node free on
old cluster I reinstall it and add to new cluster.
Maybe it is not the fastest solution, but i can arrange maintenance for each VM.
Jirka
On 8/29/22 10:13, Andrei Verovski wrote:
> Hi,
>
> I have cluster compatibility version 4.2, due to some old nodes.
> From what I remember in oVirt 4.5 release notes (correct please, may be wrong here),
oVirt engine 4.5 requires cluster compatibility version >= 4.3.
> Please clarify. Thanks.
>
>
>>> On 28. 8. 2022, at 18:52, Andrei Verovski <andreil1(a)starlett.lv>
wrote:
>>>
>>> Hi,
>>>
>>> I have engine version 4.4.10.7-1.el8, is it possible to set up new node host
on CentOS Stream 9, or I need to upgrade engine to version 4.5 first (which is not right
now possible because of some quite old nodes) ?
>> yes, you generally need the latest version
>> You can keep your old nodes old, 4.2 based nodes are still working with 4.5
>>
>>> Thanks
>>> Andrei
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