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

[Shilu]

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


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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