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).


>
> >
> > 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!

- Gilboa
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