[ClusterLabs] Antw: [EXT] Node fenced for unknown reason

[Steffen Vinther Sørensen]

On Thu, Apr 15, 2021 at 2:29 PM Ulrich Windl
<Ulrich.Windl at rz.uni-regensburg.de> wrote:
>
> >>> Steffen Vinther Sørensen <svinther at gmail.com> schrieb am 15.04.2021 um
> 13:10 in
> Nachricht
> <CALhdMBhMQRwmgoWEWuiGMDr7HfVOTTKvW8=NQMs2P2e9p8y9Jw at mail.gmail.com>:
> > Hi there,
> >
> > In this 3 node cluster, node03 been offline for a while, and being
> > brought up to service. Then a migration of a VirtualDomain is being
> > attempted, and node02 is then fenced.
> >
> > Provided is logs from all 2 nodes, and the 'pcs config' as well as a
> > bzcatted pe-warn. Anyone with an idea of why the node was fenced ? Is
> > it because of the failed ipmi monitor warning ?
>
> After a short glace it looks as if the network traffic used for VM migration
> killed the corosync (or other) communication.
>

May I ask what part is making you think so ?

> >
> >
> > Here is the outline:
> >
> > At 06:58:27 node03 is being activated with 'pcs start node03', nothing
> > suspicious in the logs
> >
> > At  06:59:17 a resource migration is attempted from node02 to node03
> > with 'pcs resource move sikkermail30 kvm03-node02.logiva-gcs.dk'
> >
> >
> > on node01 this happens:
> >
> > Apr 15 06:59:17 kvm03-node01 pengine[29024]:  warning: Processing
> > failed monitor of ipmi-fencing-node01 on kvm03-node02.logiva-gcs.dk:
> > unknown error
> >
> > And node02 is fenced ?
> >
> > /Steffen
>
>
>
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