On Wed, Feb 16, 2022 at 2:09 PM Gianluca Merlo <[email protected]> wrote:
>
> Il giorno mer 16 feb 2022 alle ore 10:22 Yedidyah Bar David <[email protected]> 
> ha scritto:
>>
>> On Tue, Feb 15, 2022 at 6:48 PM Gianluca Merlo <[email protected]> 
>> wrote:
>> >
>> > Hi Jonas,
>> >
>> > I would like to say that I also have a 4.4 HE (4.4.5.11-1) that I am 
>> > trying to upgrade to the latest one, and have this issue. I read through
>> >
>> >     
>> > https://lists.ovirt.org/archives/list/[email protected]/thread/D3FEXQ5KOLN3SST3MPGIHSCEF52IBTKY/
>> >     
>> > https://lists.ovirt.org/archives/list/[email protected]/thread/4EBNIFJ3ANERON47E2XX75T3IOQ52AYD/
>> >
>> > but did not manage to get out of the issue. I tried:
>> >
>> > - yum remove ovirt-release44
>> > - Download and install manually (rpm -i) 
>> > https://resources.ovirt.org/pub/yum-repo/ovirt-release44.rpm
>> >
>> > After this I have regained a functional package manager on the engine. 
>> > However trying to go further in the update procedure 
>> > (https://ovirt.org/documentation/upgrade_guide/#Updating_a_self-hosted_engine_minor_updates)
>> >  running
>> >
>> >     engine-upgrade-check
>> >
>> > fails with
>> >
>> > > OK:   Downloaded CentOS Linux 8 - AppStream
>> > > FAIL: Failed to download metadata for repo 'appstream': Cannot prepare 
>> > > internal mirrorlist: No URLs in mirrorlist
>> > > Error: Failed to download metadata for repo 'appstream': Cannot prepare 
>> > > internal mirrorlist: No URLs in mirrorlist
>> >
>> > So I am stuck in wait of a comment from someone more knowledgeable too!
>>
>> Did you upgrade the machine to CentOS Stream? CentOS Linux archives are gone.
>
>
> No, I did not do anything apart from trying to fix sources set up from 
> ovirt-release44. May I ask if you could share some guidance on the process?

Sorry, I only did this on very few development machines, so do not
have any significant "real life experience" to share.

> I can see that various third parties provide their "guide" on how to perform 
> the migration, the most "neutral" one I could find is
>
>     
> https://unix.stackexchange.com/questions/552873/how-to-switch-from-centos-8-to-centos-stream
>
> but I am having a hard time finding any "official" documentation from CentOS

I think the "official" doc is:

https://www.centos.org/centos-stream/ -> Press "8" -> check
"Converting from CentOS Linux 8 to CentOS Stream 8"

This is very similar to, and slightly more specific/safe, than:

https://centos.org/distro-faq/#q7-how-do-i-migrate-my-centos-linux-8-installation-to-centos-stream

The stackexchange answer above is also slightly more detailed than
both of these, based on a specific user's experience.

I definitely recommend trying first on test machines, as similar as
possible to your production ones.

> or oVirt.

You are right - there are no oVirt-specific migration procedures I am aware of.

> May I also ask if this is the way to do it on Hosted Engine (not standalone) 
> deployments, or may it be that there are easier ways to accomplish this in 
> this scenario (e.g. redeployment from newer image)?

There is a way, which is to follow the general hosted-engine
backup/restore procedure. This isn't an in-place upgrade - requires a
new storage space for the hosted-engine domain, etc.

The appliance that the oVirt project releases is based on Stream since
4.4.6 IIRC. Same for ovirt-node - so if you use node, the normal
upgrade process for it will get you Stream.

> It would be nice to know if there is any documentation I missed on how to 
> best handle the Centos 8 -> Centos 8 Stream conversion in my case (which is 
> hosted engine on ovirt-node hosts).

See above. I don't think you'll find anything more specific or
official. I recommend searching this list's archive - we had several
relevant threads over the last year - and testing on copies/clones of
your existing ones, if in production.

Again good luck, best regards,
-- 
Didi
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