[Pacemaker] gfs2: ping_pong test fails

[Andrew Beekhof]

On Mon, Feb 22, 2010 at 4:12 PM, Raphael Daum <Raphael.Daum at kurier.at> wrote:
> dear all,
>
> the ping_pong test (which can be found here:
> http://wiki.samba.org/index.php/Ping_pong) fails with pacemaker 1.0.7
> and gfs_controld.pcmk (3.0.7) on a gfs2 filesystem. the fs is mounted by
> the cluster infrastructure, dlm_controld.pcmk and gfs_controld.pcmk are
> running. here comes the relevant snippet from my cluster config:
>
> node node1
> node node2
> primitive clvm lsb:clvmd
> primitive dlm ocf:pacemaker:controld \
>        op monitor interval="120s"
> primitive gfsd lsb:gfsd
> primitive data-cluster ocf:heartbeat:Filesystem \
>        params device="/dev/vg-sas/data-cluster"
> directory="/data/cluster" fstype="gfs2" \
>        op monitor interval="120s"
> clone clvm-clone clvm \
>        meta interleave="true" ordered="true"
> clone dlm-clone dlm \
>        meta interleave="true" ordered="true"
> clone gfsd-clone gfsd \
>        meta interleave="true" ordered="true"
> clone data-cluster-clone data-cluster \
>        meta interleave="true" ordered="true"
>
> mounting the filesystem seems to work fine:
>
> Feb 22 15:57:27 kernel: GFS2: fsid=: Trying to join cluster "lock_dlm",
> "pcmk:data-cluster"
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: Joined cluster.
> Now mounting FS...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=0, already
> locked for use
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=0: Looking
> at journal...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=0: Done
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=1: Trying
> to acquire journal lock...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=1: Looking
> at journal...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=1: Done
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=2: Trying
> to acquire journal lock...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=2: Looking
> at journal...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=2: Done
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=3: Trying
> to acquire journal lock...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=3: Looking
> at journal...
> Feb 22 15:57:27 kernel: GFS2: fsid=pcmk:data-cluster.0: jid=3: Done
>
> running the ping_pong test fails with the following messages:
>
> # ./ping_pong /data/cluster/test.dat 1
>
> lock at 0 failed! - Function not implemented
> unlock at 0 failed! - Function not implemented
>
> is this supposed to work? or i'm doing something wrong here?

I've never tried it myself, but I did do some manual testing.
Ie. changes files in both places and confirm the contents was consistent.

Never tried with clvm involved though.  Could that be a factor?