[Linux-cluster] Manual multicasting address for CMAN bug

Fabio M. Di Nitto fdinitto at redhat.com
Mon Sep 26 17:55:00 UTC 2011


For all RHEL related problems you need to contact GSS.

You also filed https://bugzilla.redhat.com/show_bug.cgi?id=741345

to track your issue.

Please provide the requested info.

Fabio

On 09/26/2011 05:55 PM, Matthew Painter wrote:
> Hi all,
>  
> I have been trying to set up a cluster of 3 on Red Hat 6.1 using a cisco
> switch, and therefore a fixed multicast address - 239.192.15.224 in this
> case.
>  
> All the docs etc. say to add to the cluster.conf:
>  
>         <cman>
>                 <multicast addr="239.192.15.224"/>
>         </cman>
>  
> This seems to work and a cman_tool status brings back the correct
> multicast address, but has a Quorum status of "Activity Blocked",
> because the culster nodes never join.
>  
> *However* if I manually run "cman_tool leave" and then "cman_tool join
> -m 239.192.15.224", the nodes can see each other.
>  
> Does anyone know if this is this a known issue? I can't find any
> information about it.
>  
> Thanks for all your help :)
>  
> Matt
> 
> 
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