[ClusterLabs] how to configure fence in a two node cluster?who can help me?

[Dejan Muhamedagic]

Hi,

On Mon, Nov 16, 2015 at 10:42:50AM -0600, Ken Gaillot wrote:
> On 11/16/2015 06:08 AM, Shilu wrote:
> > The following configuration is mine.it work well when I didn't add the fence configureation.
> > But when I add the configureation primitive st-ipmilan1 stonith:ipmilan, it report the following error.
> > I want to know how to configure it and how to confirm that it will work well.
> > 
> > Failed actions:
> >     st-ipmilan1_monitor_0 (node=ubuntu212, call=-1, rc=1, status=Timed Out, last
> > -rc-change=Mon Nov 16 06:47:19 2015
> > , queued=0ms, exec=0ms
> > ): unknown error
> > 
> 
> Check the logs for any fence_ipmilan messages around this time. You can
> also try to run the command manually (and maybe add "-v" for verbose
> messages):
> 
> fence_ipmilan -A md5 -a 192.168.33.127 -p 12345678 -l admin -o monitor
> -L admin

The configuration has the linux-ha stonith agent ipmilan, not
fence_ipmilan.

> I don't think there's a "hostname" option for fence_ipmilan. I think you
> mean "pcmk_host_list=ubuntu211", because without that, Pacemaker will
> try to use st-ipmilan1 when fencing *either* node. (Of course, once this
> is working, you'll want to set up a st-ipmilan2 similarly.)
> 
> I think "priv" should be "privlvl".

No, the parameters are fine.

> If these are on-board IPMI controllers, which share their power supply
> with the host computer, then fencing will fail if the power fails, and
> the cluster will refuse to run any services. If that's undesirable, you
> may want to consider a second fencing level using intelligent power
> switches or some other alternative fencing method.

Right.

Thanks,

Dejan

> > node $id="3232244179" ubuntu211
> > node $id="3232244180" ubuntu212
> > primitive VIP ocf:heartbeat:IPaddr \
> >          params ip="192.168.33.129" \
> >          op monitor timeout="10s" interval="1s"
> > primitive lunit ocf:heartbeat:iSCSILogicalUnit \
> >          params implementation="tgt" target_iqn="hoo" lun="1" path="rbd/hoo" tgt
> > _bstype="rbd" \
> >          op monitor timeout="10s" interval="1s"
> > primitive st-ipmilan1 stonith:ipmilan \
> >          params hostname="ubuntu211" ipaddr="192.168.33.127" port="623" auth="md
> > 5" priv="admin" login="admin" password="12345678"
> > primitive tgt ocf:heartbeat:iSCSITarget \
> >          params implementation="tgt" iqn="hoo" tid="5" \
> >          op monitor interval="1s" timeout="10s"
> > group cluster VIP tgt lunit
> > property $id="cib-bootstrap-options" \
> >          dc-version="1.1.10-42f2063" \
> >          cluster-infrastructure="corosync" \
> >          stonith-enabled="true" \
> >          no-quorum-policy="ignore"
> > -------------------------------------------------------------------------------------------------------------------------------------
> 
> 
> 
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