[ClusterLabs] Unable to run Pacemaker: pcmk_child_exit

Nikhil Utane nikhil.subscribed at gmail.com
Thu May 5 16:25:31 UTC 2016


Thanks Ken for your quick response as always.

But what if I don't want to use quorum? I just want to bring up pacemaker +
corosync on 1 node to check that it all comes up fine.
I added corosync_votequorum as you suggested. Additionally I also added
these 2 lines:

expected_votes: 2
two_node: 1

However still pacemaker is not able to run.

[root at airv_cu root]# pcs cluster start
Starting Cluster...
Starting Pacemaker Cluster Manager[FAILED]

Error: unable to start pacemaker

Corosync.log:
*May 05 16:15:20 [16294] airv_cu pacemakerd:     info:
pcmk_quorum_notification: Membership 240: quorum still lost (1)*
May 05 16:15:20 [16259] airv_cu corosync debug   [QB    ] Free'ing
ringbuffer: /dev/shm/qb-cmap-request-16259-16294-21-header
May 05 16:15:20 [16294] airv_cu pacemakerd:   notice:
crm_update_peer_state_iter:       pcmk_quorum_notification: Node
airv_cu[181344357] - state is now member (was (null))
May 05 16:15:20 [16294] airv_cu pacemakerd:     info: pcmk_cpg_membership:
     Node 181344357 joined group pacemakerd (counter=0.0)
May 05 16:15:20 [16294] airv_cu pacemakerd:     info: pcmk_cpg_membership:
     Node 181344357 still member of group pacemakerd (peer=airv_cu,
counter=0.0)
May 05 16:15:20 [16294] airv_cu pacemakerd:  warning: pcmk_child_exit:  The
cib process (16353) can no longer be respawned, shutting the cluster down.
May 05 16:15:20 [16294] airv_cu pacemakerd:   notice: pcmk_shutdown_worker:
    Shutting down Pacemaker

The log and conf file is attached.

-Regards
Nikhil

On Thu, May 5, 2016 at 8:04 PM, Ken Gaillot <kgaillot at redhat.com> wrote:

> On 05/05/2016 08:36 AM, Nikhil Utane wrote:
> > Hi,
> >
> > Continuing with my adventure to run Pacemaker & Corosync on our
> > big-endian system, I managed to get past the corosync issue for now. But
> > facing an issue in running Pacemaker.
> >
> > Seeing following messages in corosync.log.
> >  pacemakerd:  warning: pcmk_child_exit:  The cib process (20000) can no
> > longer be respawned, shutting the cluster down.
> >  pacemakerd:  warning: pcmk_child_exit:  The stonith-ng process (20001)
> > can no longer be respawned, shutting the cluster down.
> >  pacemakerd:  warning: pcmk_child_exit:  The lrmd process (20002) can no
> > longer be respawned, shutting the cluster down.
> >  pacemakerd:  warning: pcmk_child_exit:  The attrd process (20003) can
> > no longer be respawned, shutting the cluster down.
> >  pacemakerd:  warning: pcmk_child_exit:  The pengine process (20004) can
> > no longer be respawned, shutting the cluster down.
> >  pacemakerd:  warning: pcmk_child_exit:  The crmd process (20005) can no
> > longer be respawned, shutting the cluster down.
> >
> > I see following error before these messages. Not sure if this is the
> cause.
> > May 05 11:26:24 [19998] airv_cu pacemakerd:    error:
> > cluster_connect_quorum:   Corosync quorum is not configured
> >
> > I tried removing the quorum block (which is anyways blank) from the conf
> > file but still had the same error.
>
> Yes, that is the issue. Pacemaker can't do anything if it can't ask
> corosync about quorum. I don't know what the issue is at the corosync
> level, but your corosync.conf should have:
>
> quorum {
>     provider: corosync_votequorum
> }
>
>
> > Attaching the log and conf files. Please let me know if there is any
> > obvious mistake or how to investigate it further.
> >
> > I am using pcs cluster start command to start the cluster
> >
> > -Thanks
> > Nikhil
>
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