On Sat, Aug 14, 2021 at 8:58 AM Gilboa Davara <[email protected]> wrote:
>
> Shabbat Shalom,
>
> On Wed, Aug 11, 2021 at 10:03 AM Yedidyah Bar David <[email protected]> wrote:
>>
>> On Tue, Aug 10, 2021 at 9:20 PM Gilboa Davara <[email protected]> wrote:
>> >
>> > Hello,
>> >
>> > Many thanks again for taking the time to try and help me recover this 
>> > machine (even though it would have been far easier to simply redeploy 
>> > it...)
>> >
>> >> >
>> >> >
>> >> > Sadly enough, it seems that --clean-metadata requires an active agent.
>> >> > E.g.
>> >> > $ hosted-engine --clean-metadata
>> >> > The hosted engine configuration has not been retrieved from shared 
>> >> > storage. Please ensure that ovirt-ha-agent
>> >> > is running and the storage server is reachable.
>> >>
>> >> Did you try to search the net/list archives?
>> >
>> >
>> > Yes. All of them seem to repeat the same clean-metadata command (which 
>> > fails).
>>
>> I suppose we need better documentation. Sorry. Perhaps open a
>> bug/issue about that.
>
>
> Done.
> https://bugzilla.redhat.com/show_bug.cgi?id=1993575

Thanks.

>
>>
>>
>> >
>> >>
>> >>
>> >> >
>> >> > Can I manually delete the metadata state files?
>> >>
>> >> Yes, see e.g.:
>> >>
>> >> https://lists.ovirt.org/pipermail/users/2016-April/072676.html
>> >>
>> >> As an alternative to the 'find' command there, you can also find the IDs 
>> >> with:
>> >>
>> >> $ grep metadata /etc/ovirt-hosted-engine/hosted-engine.conf
>> >>
>> >> Best regards,
>> >> --
>> >> Didi
>> >
>> >
>> > Yippie! Success (At least it seems that way...)
>> >
>> > Following https://lists.ovirt.org/pipermail/users/2016-April/072676.html,
>> > I stopped the broker and agent services, archived the existing hosted 
>> > metadata files, created an empty 1GB metadata file using dd, (dd 
>> > if=/dev/zero of=/run/vdsm/storage/<uuid>/<uuid> bs=1M count=1024), making 
>> > double sure permissions (0660 / 0644), owner (vdsm:kvm) and SELinux labels 
>> > (restorecon, just incase) stay the same.
>> > Let everything settle down.
>> > Restarted the services....
>> > ... and everything is up again :)
>> >
>> > I plan to let the engine run overnight with zero VMs (making sure all 
>> > backups are fully up-to-date).
>> > Once done, I'll return to normal (until I replace this setup with a normal 
>> > multi-node setup).
>> >
>> > Many thanks again!
>>
>> Glad to hear that, welcome, thanks for the report!
>>
>> More tests you might want to do before starting your real VMs:
>>
>> - Set and later clear global maintenance from each hosts, see that this
>> propagates to the others (both 'hosted-engine --vm-status' and agent.log)
>>
>> - Migrate the engine VM between the hosts and see this propagates
>>
>> - Shutdown the engine VM without global maint and see that it's started
>> automatically.
>>
>> But I do not think all of this is mandatory, if 'hosted-engine --vm-status'
>> looks ok on all hosts.
>>
>> I'd still be careful with other things that might have been corrupted,
>> though - obviously can't tell you what/where...
>>
>
> Host is back to normal.
> The log looks clean (minus some odd smtp errors in the log).

That's normal, if you didn't configure a local (by default) mail server.

>
> Either way, I'm already in the process of replacing this setup with a real 3 
> host + gluster setup, so I just need this machine to survive the next couple 
> of weeks :)\

Good luck and best regards,
-- 
Didi
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