[Linux-HA] Ldirectord and jboss port

mike mgbutler at nbnet.nb.ca
Thu Jun 3 15:47:54 MDT 2010


We've got an application serving up JBoss on port 8080. I'm using LVS to 
load balance and have incorporated ldirecord into LinuxHA to provide a 
higly available LVS-tunnel cluster. We found that by starting up Jboss 
on the "real" servers and listening on the RIP that for some reason, LVS 
cannot seem to communicate with the real servers. However, by starting 
up JBoss listening on all interfaces (0.0.0.0) we are able to 
successfully direct traffic through the VIP to the real servers in rr form.

I have 2 questions. First, what implications are there with starting up 
JBoss listening to all interfaces (which I think is the default btw) as 
opposed to listening to the RIP? I can't see why leaving it listening on 
all interfaces would pose and issue. Also, does anyone have any ideas 
why it doesn't seem to work going to the RIP?


Thanks


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