[Pacemaker] fence-peer helper broken, returned 1

Dejan Muhamedagic dejanmm at fastmail.fm
Tue Feb 23 08:53:34 UTC 2010


Hi,

On Mon, Feb 22, 2010 at 11:23:37AM +0100, Patrick Zwahlen wrote:
> Hi,
> 
> I have a simple active/passive Corosync/DRBD/XFS/NFS cluster (see
> http://thread.gmane.org/gmane.linux.highavailability.pacemaker/4672 for
> config details).
> 
> I have made some more failover tests, and I see some errors in one case
> that I would like to share.
> 
> Initial situation:
> Node 1 is DRBD master, XFS mounted, NFS started
> Node 2 is DRBD slave, Pacemaker DC
> 
> If I power off node 2, I get the following logs (filtered on
> drbd/fencing):
> 
> Feb 22 11:03:20 tnfsa kernel: block drbd0: PingAck did not arrive in
> time.
> Feb 22 11:03:20 tnfsa kernel: block drbd0: peer( Secondary -> Unknown )
> conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown ) 
> Feb 22 11:03:20 tnfsa kernel: block drbd0: asender terminated
> Feb 22 11:03:20 tnfsa kernel: block drbd0: Terminating asender thread
> Feb 22 11:03:20 tnfsa kernel: block drbd0: short read expecting header
> on sock: r=-512
> Feb 22 11:03:20 tnfsa kernel: block drbd0: Creating new current UUID
> Feb 22 11:03:20 tnfsa kernel: block drbd0: Connection closed
> Feb 22 11:03:20 tnfsa kernel: block drbd0: helper command: /sbin/drbdadm
> fence-peer minor-0
> Feb 22 11:03:20 tnfsa crm-fence-peer.sh[11711]: invoked for nfs

You'll get much better support at the list which is about
Redhat's cman. People don't know much about the Redhat fencing
modules here.

Thanks,

Dejan




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