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Re: [Linux-cluster] Problem with cluster nodes communication



On Thu, 2004-10-28 at 17:39 +0200, Arnaud Gauthier wrote:
> Le jeudi, 28 Octobre 2004 17.31, Jonathan E Brassow a écrit :
> > Note that a two node cluster is a special case, and you will need to:
> >
> > <Dave Teigland's message>
> >
> > ...following the info under "Two node clusters" in this doc?
> 
> I am not really interested on still being alive with only one node running. My 
> problem is that the first node can't see the second node even after a full 
> re-install. I am still at the init level, not the usage :-))

Could you set your expected votes to 1, wait for a quorum to form, run
"cpt lock", and describe what happens (and any strange kernel
messages... ;) ).  I've had a strange occurrence where broadcast
messaging is broken and I'm trying to help isolate it.

You could try switching to multicast as well; it worked for me:

<?xml version="1.0"?>
<cluster name="pretty" config_version="6">
                                                                                                                                                                      
<cman>
  <multicast addr="225.0.0.12" int="eth0"/>
</cman>
                                                                                                                                                                      
<dlm>
</dlm>
                                                                                                                                                                      
<nodes>
  <node name="node0" votes="4">
    <multicast addr="225.0.0.12" interface="eth0"/>
    <fence>
      <method name="power">
        <device name="wti" port="1"/>
      </method>
    </fence>
  </node>
  <node name="node1" votes="3">
    <multicast addr="225.0.0.12" interface="eth0"/>
    <fence>
      <method name="power">
        <device name="wti" port="2"/>
      </method>
    </fence>
  </node>
</nodes>

</cluster>

-- Lon


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