[Linux-cluster] problem with GNBD device

[Changer Van]

Hi,

On 10/16/07, linux-cluster-request at redhat.com <
linux-cluster-request at redhat.com> wrote:
>
> ------------------------------
>
> Message: 9
> Date: Mon, 15 Oct 2007 11:42:13 -0400
> From: Lon Hohberger <lhh at redhat.com>
> Subject: Re: [Linux-cluster] problem with GNBD device
> To: linux clustering <linux-cluster at redhat.com>
> Message-ID:
>        <1192462933.27135.24.camel at ayanami.boston.devel.redhat.com>
> Content-Type: text/plain
>
> On Fri, 2007-10-12 at 10:18 +0800, Changer Van wrote:
> > Hi all,
> > I set up a http HA cluster consist of 3 nodes.
> > Node 1 is set to gnbd server for fencing.
> > Node 2 and node 3 are set to http HA.
> > In case the http service is running on node 3.
> > Once the network cable of node 3 was unplug,
> > the service would shift to node 2 properly,
> > but cman service on node 3 was killed after the catble was plugged in,
> > and cman's pid file was still there.
>
> After a node is evicted from the cluster, you generally need to reset it
> before it can rejoin the cluster.


But I can not restart cman hung by fencing and I have to reboot the system
forcedly.
After the system is rebooted, cman is running and node 3 rejoins the
cluster.

> partial log messages on node 3:
> > openais[6621]: [CPG  ] got joinlist message from node 1
> > openais[6621]: [CPG  ] got joinlist message from node 2
> > openais[6621]: [CMAN ] cman killed by node 3 for reason 2
> > gnbd_import: ERROR [../../utils/gnbd_utils.c:78] cman_init failed :
> > Connection refused
> > gfs_controld[6648]: cman_start_notification error -1 104
> > dlm_controld[6641]: cluster is down, exiting
> > fenced[6635]: cluster is down, exiting
> > fence_node[6645]: agent "fence_gnbd" reports: gnbd_import: ERROR
> > cannot get node name : Connection refused gnbd_import: ERROR If you
> > are not planning to use a cluster manager, use -n failed: fence_gnbd,
> > node03
>
> This is weird...  CMAN killed itself on node 3?


Yes, I think so, cman killed itself for reason 2, What is the reason 2?



-- 
Regards,
Changer
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