Re: Physical shutdown of one node causes both node to crash in active/passive configuration of 2 node RHEL cluster

[Sivaji Prasath <prasathslt@xxxxxxxxx>]

Hi,

Is this two connected crossover cable with bonding ? Do you have switch in the middle ?

Note: Red Hat does not support use of a crossover cable for cluster communication.

On 9 September 2014 12:44, Amjad Syed <amjadcsu@xxxxxxxxx> wrote:

Hi,

I have setup a 2 node cluster using RHEL 6.5 .

The cluster .conf looks like this 

 

<?xml version="1.0"?>

<cluster config_version="7" name="oracleha">

        <cman expected_votes="1" two_node="1"/>

        <fencedevices>

           <fencedevice agent= "fence_ipmilan" ipaddr="10.10.63.93" login="ADMIN" name="inspuripmi"  passwd="XXXXX/>

           <fencedevice agent = "fence_ilo2" ipaddr="10.10.63.92" login="test" name="hpipmi"  passwd="XXXXX"/>

          </fencedevices>

      <fence_daemon post_fail_delay="0" post_join_delay="60"/>

        <clusternodes>

           <clusternode name= "192.168.10.10"  nodeid="1" >

           <fence>

               <method name  = "1">

                 <device lanplus = "" name="inspuripmi"  action ="">

                 </method>

            </fence>

           </clusternode>

            <clusternode name = "192.168.10.11" nodeid="2">

                 <fence>

                 <method name = "1">

                  <device lanplus = "" name="hpipmi" action ="">

                  </method>

               </fence>

            </clusternode>

         </clusternodes>

        <rm>

          <failoverdomains/>

        <resources/>

        <service autostart="1" exclusive="0" name="IP" recovery="relocate">

                <ip address="10.10.5.23" monitor_link="on" sleeptime="10"/>

        </service>

</rm>

</cluster>

The network is as follows:

1)Heartbeat (Bonding) between node 1 and node 2  using ethernet cables 

The ip addresses are 192.168.10.11 and 192.168.10.10 for node 1 and node 2.

2) IPMI.  This is used for fencing and addresses  are 10.10.63.93 and 10.10.63.92

3) External ethernet connected to 10.10.5.x network.

If i do fence_node <ipaddress>, then fencing works,

However if i physically shutdown active node, the passive node also shutdowns. Even if i do ifdown bond0 (on active node), both node shutdown and have to be physically rebooted.

Any thing i am doing wrong ?

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