[ovirt-users] Can't Add Host To New Hosted Engine - "Server is already part of another cluster"

[Sahina Bose]

On Wed, Mar 21, 2018 at 12:33 PM, Yedidyah Bar David <didi at redhat.com>
wrote:

> On Wed, Mar 21, 2018 at 8:17 AM, Adam Chesterton
> <chesterton.adam at gmail.com> wrote:
> > Hi Everyone,
> >
> > I'm running a 3-host hyperconverged Gluster setup for testing (on some
> old
> > desktops), and recently the hosted engine died on me, so I have
> attempted to
> > just clean up my existing hosts, leaving Gluster configured, and
> re-deploy a
> > fresh hosted engine setup on them.
> >
> > I have successfully got the first host setup and the hosted engine is
> > running on that host. However, when I try to add the other two hosts via
> the
> > web GUI (as I can no longer add them via CLI) I get this error: "Error
> while
> > executing action: Server XXXXX is already part of another cluster."
>
> This message might be a result of the host's participation in a gluster
> cluster,
> not hosted-engine cluster. Please share engine.log from the engine.
>
> Adding Sahina.
>

Yes, it does look like that.

Can you share details of
# gluster peer status
from your 3 nodes

And also the address of the first host in the oVirt engine and below from
the HE engine:

# su - postgres -c "psql -d engine -c \"select * from gluster_server; \""


> >
> > I've tried to find where this would still be configured on the two other
> > hosts, but I cannot find anywhere.
>
> If it's only about hosted-engine, you can check /etc/ovirt-hosted-engine .
>
> You might try using ovirt-hosted-engine-cleanup, although it was not
> designed
> for such cases.
>
> >
> > Does anyone know how I can stop these two hosts from thinking they are
> still
> > in a cluster? Or, does anyone have some information that might help, or
> am I
> > going to just have to start a fresh CentOS install?
>
> If you do not need the data, a reinstall might be simplest.
> If you do, not sure what's your exact plan.
> You intend to rely on the replication? So that you reinstall one host, add
> it,
> wait until syncing finished, then reinstall the other? Might work, no idea.
>
> Best regards,
> --
> Didi
>
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