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[Linux-cluster] Manual multicasting address for CMAN bug



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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