I would like to have two controllers, on different machines, hosting a single virtual database. So I've set up the two controllers, they are both hosting a virtual database called MyDB with the same settings, but they aren't "joined" - they don't know about each other.

In other words, "show controllers" run on one of the controller machines gives:

myDB(admin) > show controllers
myDB is hosted by 1 controller(s):
       192.168.0.126:1090

and when I run that command on the other controller machine I get:

myDB(admin) > show controllers
myDB is hosted by 1 controller(s):
       192.168.0.128:1090

What is the glue that tells them they're both hosting the same virtual database? The usual ports (25322, 1090) are open on both machines, so I don't think it's a firewalling issue. I think I saw something in the documents about there being a network broadcast so that controllers could find each other, but can't locate that now.

thanks,
Alex




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