If the IP passed to -b is not the one you want JGroups to use, specifying it in
cluster-service.xml will not work unless you are using JGroups 2.2.8 or later
and you pass a special 'ignore.bind.address' system property to java. So, you
have two choices:
1) Use JGroups 2.2.8 or later (which is a good idea anyway), and
a) in cluster-service.xml
| <UDP bind_addr="172.25.2.14"
mcast_addr="${jboss.partition.udpGroup:228.1.2.3}" mcast_port="45566" ...... />
|
b) to start JBoss:
su -l jboss -c '/apps/jboss/bin/run.sh -c foo.bar.com -b 172.25.1.52
-Dignore.bind.address=true -g foo.bar.com -u 224.10.10.10 > /dev/null 2>
/dev/null &'
OR
2) With any JGroups version:
su -l jboss -c '/apps/jboss/bin/run.sh -c foo.bar.com -b 172.25.1.52
-Dbind.address=172.25.2.14 -g foo.bar.com -u 224.10.10.10 > /dev/null 2>
/dev/null &'
No need to set the bind_addr in cluster-service.xml with option 2.
IMO, option 2 is easier.
Re: running 50 separate instances per machine, all on separate partitions, you
can do that and you can use the same -b and -Dbind.address values for all 50.
But you must use separate values for:
1) -g (aka -Djboss.partition.name)
2) -u
3) the value for mcast_port in cluster-service.xml's UDP. Recommend you create
a system property for this value and pass it in your startup command via -D.
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