[Linux-cluster] Problem with fenced on cluster with 2 BladeCenter machines: 1st machine is remove physically. The remaining one does not became Active (waiting for fenced)

[catalin.lupescu at bull.net]

Hello!

I have a Cluster Redhat made with 2 nodes IBM blades on Blade Center 
chassis.
(fenced version 1.32.6)

I have done the following test: 
I have removed physically the node 1 machine (the Active one).
The second one is never became active one. "Clustat" command does not 
printing any information.
In /var/log/messages we can found the following messages (repeated):

Jul 11 17:46:24 cdrc1-2 fenced[4214]: fencing node "cdrc1-1"
Jul 11 17:46:38 cdrc1-2 fenced[4214]: agent "fence_bladecenter" reports: 
pattern match timed-out at /sbin/fence_bladecenter line 185
Jul 11 17:46:38 cdrc1-2 fenced[4214]: fence "cdrc1-1" failed

If the node 1 is plugged, the node 2 became Active (fenced OK) 


Here is the configuration of the fenced (cluster.conf)

        <fence_daemon clean_start="1" post_fail_delay="0" 
post_join_delay="3"/>
        <clusternodes>
                <clusternode name="cdrc1-1" votes="1">
                        <fence>
                                <method name="1">
                                        <device blade="3" name="NBC1"/>
                                </method>
                        </fence>
                </clusternode>
                <clusternode name="cdrc1-2" votes="1">
                        <fence>
                                <method name="1">
                                        <device blade="5" name="NBC1"/>
                                </method>
                        </fence>
                </clusternode>
        </clusternodes>
        <cman expected_votes="1" two_node="1"/>
        <fencedevices>
                <fencedevice agent="fence_bladecenter" 
ipaddr="172.18.10.63" login="USERID" name="NBC1" passwd="PASSW0RD"/>
        </fencedevices>*


It is a configuration possible to avoid this? 
If not, it is possible to deactivate the fenced?

Best regards!
Catalin LUPESCU
VoIP & Signalling Support

Bull, Architect of an Open World TM 
Tél : 01.30.80.75.43
http://www.bull.com 
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