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

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Thu Apr 15 08:29:45 EDT 2021

>>> Steffen Vinther Sørensen <svinther at gmail.com> schrieb am 15.04.2021 um
13:10 in
<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.

> 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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