On Tue, Jun 16, 2020 at 10:18 PM Philip Brown <pbr...@medata.com> wrote:
>
>
> Okay, since you asked:
>
> (note: this is in node 4.3.10. but hosted-engine is 4.2
> I'd LIKE to upgrade it. but the upgrade process is broken.
> thats a whole nuther story, aobut how postgresql10 doesnt show up even
> though its required for
> yum update 'ovirt*setup'
> :-/)
>
>
> 1. go to individual node UI.
> 2. Click on Storage
> 3. Look at the right-sdie aera for "Volume Groups". click on the one that is
> for your master data volume
> 4. Click on the Rename button on the top right. Pick something sensible
OK, so you are renaming logical volumes *outside* of oVirt.
The node UI is *not* part of oVirt. This is just like running:
# lvrename ...
In the shell.
I think this is one of the issues caused by not having lvm filter in the host.
With a proper lvm filter, the node UI will not be able to access the
logical volumes
used by oVirt, that should be managed only by oVirt.
Please try this:
1. Open a rootshell in the node (using ssh or node UI)
2. Create lvm filter:
vdsm-tool config-lvm-filter
Answer "yes" when the tool asks to confirm.
3. Go to the node UI - you should not be able to see or modify logical volumes
managed by oVit.
> 5. wait a while, and eventually your cluster logs will freak out.
>
> Happily for me, since our VMs are very lightly loaded, this did not
> immediately cause a crash.
> But the cluster freaked out.. engine log spewed those errors after a while..
> and in the cluster(engine) UI, it eventually showed
> Storage->Domains
> as offline.
> (well it shows the master as offline, and it didnt even know about the other
> ones any more, until I renamed it back)
>
>
>
>
>
>
> ----- Original Message -----
> From: "Nir Soffer" <nsof...@redhat.com>
> To: "Philip Brown" <pbr...@medata.com>
> Cc: "users" <users@ovirt.org>
> Sent: Tuesday, June 16, 2020 10:56:45 AM
> Subject: Re: [ovirt-users] Re: help: renamed master volume
>
> On Tue, Jun 16, 2020 at 8:31 PM Philip Brown <pbr...@medata.com> wrote:
> >
> > nevermind.. found the answer myself thank goodness.
> >
> > had to rename the volume back to the value of the msdUUID. not the spUUID,
> > which I already tried.
> >
> > If its fatal to rename that volume...
> > would be nice to have it lockedout or something?
>
> Did you rename the volume from within oVirt UI?
>
> Can you give clear reproduction instructions, how to break your storage domain
> by renaming a volume?
>
> Nir
>
> > ----- Original Message -----
> > From: "Philip Brown" <pbr...@medata.com>
> > To: "users" <users@ovirt.org>
> > Sent: Tuesday, June 16, 2020 10:21:12 AM
> > Subject: help: renamed master volume
> >
> > Im pretty new to ovirt. Trying to upgrade an old install from 4.1 to 4.3
> >
> > on the way, I browsed into the Storage area, in one of the nodes.
> >
> > Noticed under the "Volume groups", area that the volumes were named after
> > some loong ID string.
> >
> > Saw there was a "rename" button.
> > figured it would be just like renaming a VM. thigns would just get auto
> > adjusted.
> >
> > but after I renamed to something in english, the cluster is freaking out,
> >
> > "cant find master domain: u'spUUID=xxxxxxx, msdUUID=xxxxxxx' "
> >
> > and under Storage: Storage DOmains, the Data(Master) is down.
> > How can I recover from this ASAP? :-(
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>
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