[Pacemaker] ping_pong test fails

[David Gilbert]

Hi Uwe,

Three things:

1. It's a known bug since Fedora 13 that's been carried over into
RHEL/CentOS - see https://bugzilla.redhat.com/show_bug.cgi?id=632178.

2. Red Hat (and by extension CentOS) have deprecated dlm_controld.pcmk
and gfs_controld.pcmk. The packages are not available in RHEL 6.1 or the
CentOS CR repository.

3. The pdf version of "Clusters from Scratch" is out of sync with the
online html version. The html version takes into account the deprecation
of dlm_controld.pcmk and gfs_controld.pcmk and the associated changes to
the cluster messaging stack on RHEL-like distros (cman vs corosync).

My suggestion - update your CentOS installs with the CentOS CR repo and
follow the html version of "Clusters from Scratch".

HTH
David

> Date: Fri, 09 Dec 2011 15:04:38 +0100
> From: Andreas Kurz <andreas at hastexo.com>
> To: The Pacemaker cluster resource manager
> 	<pacemaker at oss.clusterlabs.org>
> Subject: Re: [Pacemaker] ping_pong test fails
> Message-ID: <4EE21576.9 at hastexo.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hello Uwe,
> 
> On 12/07/2011 04:52 PM, Uwe Ritzschke wrote:
> > Hi,
> >
> > Perhaps someone can help me? I've got a problem similar to the one
> > posted by Raphael on 02/22/2010 [gfs2: ping_pong test fails]:
> >
> > When I'm running samba's ping_pong test on a 3-node pacemaker
cluster
> > with gfs2, it returns
> >
> > # ./ping_pong /srv/digedag/foo 3
> 
> Don't know what's the impact, but ping_pong lock coherence testing
> should have at least N-nodes+1 as parameter ... did you try:
> 
> # ./ping_pong /srv/digedag/foo 4
> 
> 
> Regards,
> Andreas
> 
> --
> Need help with Pacemaker?
> http://www.hastexo.com/now
> 
> > lock at 1 failed! - Function not implemented
> > unlock at 0 failed! - Function not implemented
> > [..]
> >
> > Both dlm_controld.pcmk and gfs_controld.pcmk are running, mounting
> seems
> > to work correctly.
> >
> > Did I miss something crucial in the configuration (attached below)?
> I've
> > read the "Clusters from Scratch" guide over and over again, but I'm
a
> > bit lost.
> >
> > Any advice would be greatly appreciated!
> >
> > Thanks,
> > Uwe
> >
> >
> >
> > ----Our setup----
> > 3 nodes running
> > centOS 6.0
> > corosync 1.2.3
> > pacemaker 1.1.2
> > gfs-pcmk 3.0.12
> > resource-agents 3.0.12
> >
> > Shared storage is a SAN
> >
> > ----pacemaker----
> > primitive digedagFS ocf:heartbeat:Filesystem \
> >     params device="/dev/mapper/digedag1p1" directory="/srv/digedag"
> > fstype="gfs2" \
> >     op start interval="0" timeout="60" \
> >     op stop interval="0" timeout="60"
> > primitive dlm ocf:pacemaker:controld \
> >     op monitor interval="120" \
> >     op start interval="0" timeout="90" \
> >     op stop interval="0" timeout="100"
> > primitive gfs-control ocf:pacemaker:controld \
> >     params daemon="gfs_controld.pcmk" args="-g 0" \
> >     op monitor interval="120" \
> >     op start interval="0" timeout="90" \
> >     op stop interval="0" timeout="100"
> > clone digedagFSClone digedagFS
> > clone dlm-clone dlm \
> >     meta interleave="true"
> > clone gfs-clone gfs-control \
> >     meta interleave="true"
> > colocation digedagFS-with-gfs-control inf: digedagFSClone gfs-clone
> > colocation gfs-with-dlm inf: gfs-clone dlm-clone
> > order start-digedagFS-after-gfs-control inf: gfs-clone
digedagFSClone
> > order start-gfs-after-dlm inf: dlm-clone gfs-clone
> >
> > ----/sys/log/messages----
> > [...]
> > Dec  7 16:04:14 localhost kernel: GFS2 (built Jun 27 2011 18:09:43)
> > installed
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=: Trying to join
cluster
> > "lock_dlm", "pcmk:smb"
> > Dec  7 16:04:14 localhost kernel: dlm: Using TCP for communications
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: Joined
> cluster.
> > Now mounting FS...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=0,
> already
> > locked for use
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=0:
> Looking
> > at journal...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=0: Done
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=1:
> Trying
> > to acquire journal lock...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=1:
> Looking
> > at journal...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=1: Done
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=2:
> Trying
> > to acquire journal lock...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=2:
> Looking
> > at journal...
> > Dec  7 16:04:14 localhost kernel: GFS2: fsid=pcmk:smb.0: jid=2: Done
> >
> > ----mount----
> > # mount | grep digedag
> > /dev/mapper/digedag1p1 on /srv/digedag type gfs2
> > (rw,seclabel,relatime,hostdata=jid=0)
> >
> >
> >
> >
> > _______________________________________________
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> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started:
> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> 
> 
> 
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