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Old 04-23-2013, 02:21 AM   #1
ravindert
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Registered: Oct 2011
Posts: 68

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Redhat Cluster Fencing state


Hi All,

Thanks in advance.

As per the below cluster configuration file can you please reply below questions.

-> How we can know what triggers the fencing
-> How we can clear the fencing state and how we can bring the faulty node back into the working state after the false (problem which forced node to get fenced) part of the faulty node repaired.
-> How can i check that fencing is happening when there is some problem with on of the node in cluster. Like is there any command to check the fencing and any log file exist for the fencing etc..

Below is the cluster configuration file for the two node cluster setup running on the virtual machines of the Citrix xen server.


<?xml version="1.0"?>
<cluster name="adc3cl01" config_version="7">
<cman expected_votes="1" two_node="1">
<multicast addr="224.0.0.1"/>
</cman>
<clusternodes>
<clusternode name="adc3bs21a" nodeid="1">
</clusternode>

<clusternode name="adc3bs08a" nodeid="2">
</clusternode>
</clusternodes>
<rm>
<failoverdomains>
<failoverdomain name="bre-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
<failoverdomain name="vmsm1-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
<failoverdomain name="vmsr1-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
<failoverdomain name="mfdf1-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
<failoverdomain name="mfdr1-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
<failoverdomain name="mfdm1-cluster" ordered="0" restricted="1">
<failoverdomainnode name="adc3bs21a" priority="1"/>
<failoverdomainnode name="adc3bs08a" priority="1"/>
</failoverdomain>
</failoverdomains>
<resources>
<script file="/etc/init.d/bre" name="bre-script"/>
<script file="/etc/init.d/vmsm1" name="vmsm1-script"/>
<script file="/etc/init.d/vmsr1" name="vmsr1-script"/>
<script file="/etc/init.d/mfdf1" name="mfdf1-script"/>
<script file="/etc/init.d/mfdr1" name="mfdr1-script"/>
<script file="/etc/init.d/mfdm1" name="mfdm1-script"/>
<ip address="172.26.0.98" monitor_link="0"/>
<ip address="172.26.0.99" monitor_link="0"/>
<ip address="172.26.0.144" monitor_link="0"/>
<ip address="172.26.0.141" monitor_link="0"/>
<ip address="172.26.0.142" monitor_link="0"/>
<ip address="172.26.0.143" monitor_link="0"/>
</resources>
<service autostart="1" domain="bre-cluster" name="BRE" recovery="relocate">
<script ref="bre-script"/>
<ip ref="172.26.0.98"/>
</service>
<service autostart="1" domain="vmsm1-cluster" name="VMS_M1" recovery="relocate">
<script ref="vmsm1-script"/>
<ip ref="172.26.0.99"/>
</service>
<service autostart="1" domain="vmsr1-cluster" name="VMS_R1" recovery="relocate">
<script ref="vmsr1-script"/>
<ip ref="172.26.0.144"/>
</service>
<service autostart="1" domain="mfdf1-cluster" name="MFD_F1" recovery="relocate">
<script ref="mfdf1-script"/>
<ip ref="172.26.0.141"/>
</service>
<service autostart="1" domain="mfdm1-cluster" name="MFD_M1" recovery="relocate">
<script ref="mfdm1-script"/>
<ip ref="172.26.0.142"/>
</service>
<service autostart="1" domain="mfdr1-cluster" name="MFD_R1" recovery="relocate">
<script ref="mfdr1-script"/>
<ip ref="172.26.0.143"/>
</service>
</rm>
</cluster>
 
Old 04-23-2013, 02:49 AM   #2
unSpawn
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Post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread is being closed because it is a duplicate of http://www.linuxquestions.org/questi...ng-4175459110/.

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