Greetings all.
We have two nodes, each on its own Win 2000 server, in our production
environment. A couple of weeks ago we had to reboot the servers and restart the
JBoss instances. Both instances started fine but they no longer see each other
as a cluster. No changes where made to cluster-service.xml on either server. I
can't seem to find out why they can't see each other anymore. Here is a snipet
from cluster-service.xml:
<attribute name="PartitionConfig">
| <Config>
| <!-- UDP: if you have a multihomed machine,
| set the bind_addr attribute to the appropriate NIC IP address
-->
| <!-- UDP: On Windows machines, because of the media sense feature
| being broken with multicast (even after disabling media sense)
| set the loopback attribute to true -->
| <!--UDP mcast_addr="228.1.2.3" mcast_port="45566"-->
| <UDP mcast_addr="228.1.2.1" mcast_port="45566"
|
| ip_ttl="32" ip_mcast="true"
| mcast_send_buf_size="800000" mcast_recv_buf_size="150000"
| ucast_send_buf_size="800000" ucast_recv_buf_size="150000"
| loopback="true" />
| <PING timeout="2000" num_initial_members="3"
| up_thread="true" down_thread="true" />
| <MERGE2 min_interval="10000" max_interval="20000" />
| <FD shun="true" up_thread="true" down_thread="true"
| timeout="2500" max_tries="5" />
| <VERIFY_SUSPECT timeout="3000" num_msgs="3"
| up_thread="true" down_thread="true" />
| <pbcast.NAKACK gc_lag="50"
retransmit_timeout="300,600,1200,2400,4800"
| max_xmit_size="8192"
| up_thread="true" down_thread="true" />
| <UNICAST timeout="300,600,1200,2400,4800" window_size="100"
min_threshold="10"
| down_thread="true" />
| <pbcast.STABLE desired_avg_gossip="20000"
| up_thread="true" down_thread="true" />
| <FRAG frag_size="8192"
| down_thread="true" up_thread="true" />
| <pbcast.GMS join_timeout="5000" join_retry_timeout="2000"
| shun="true" print_local_addr="true" />
| <pbcast.STATE_TRANSFER up_thread="true" down_thread="true" />
| </Config>
| </attribute>
|
Note the mcast_addr is 228.1.2.1. I tried executing the Draw demo program to
test things, one instance on each server, and nothing was shared. I did notice
however that in the log that is displayed by the Draw program the
mcast_addr=228.8.8.8. It was the same on both servers.
I am at a loss and am looking for any and all suggestions.
Thanks in advance!!!
Earnie!
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