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Re: [Linux-cluster] cannot add 3rd node to running cluster



On Tue, Dec 29, 2009 at 5:20 PM, Jason W. <jwellband gmail com> wrote:
> On Tue, Dec 29, 2009 at 2:30 PM, Terry <td3201 gmail com> wrote:
>> Hello,
>>
>> I have a working 2 node cluster that I am trying to add a third node
>> to.   I am trying to use Red Hat's conga (luci) to add the node in but
>
> If you have two node cluster with two_node=1 in cluster.conf - such as
> two nodes with no quorum device to break a tie - you'll need to bring
> the cluster down, change two_node to 0 on both nodes (and rev the
> cluster version at the top of cluster.conf), bring the cluster up and
> then add the third node.
>
> For troubleshooting any cluster issue, take a look at syslog
> (/var/log/messages by default). It can help to watch it on a
> centralized syslog server that all of your nodes forward logs to.
>
> --
> HTH, YMMV, HANW :)
>
> Jason
>
> The path to enlightenment is /usr/bin/enlightenment.

Thank you for the response.  /var/log/messages doesn't have any
errors.  It says cman started then says can't connect to cluster
infrastructure after a few seconds.  My cluster does not have the
two_node=1 config now.  Conga took that out for me.  That bit me last
night because I needed to put that back in.


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