Multiple masters and Round Robin DNS

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To: fedora-directory-users@xxxxxxxxxx
Subject: Multiple masters and Round Robin DNS
From: "Doug Chapman" <prjctgeek@xxxxxxxxx>
Date: Fri, 15 Feb 2008 11:50:48 -0800
Reply-to: "General discussion list for the Fedora Directory server project." <fedora-directory-users@xxxxxxxxxx>

After setting up 2 servers with multi-master replication, I added them both to a DNS record so users will go to either server.

Both servers are replicating the NetscapeRoot DB to each other. I made a schema change to one and restarted it- only to see it hang. I waited some 15minutes, and then discovered with netstat that it had a bunch of open ldap connections to itself, which weren't timing out or going away.

After I removed the IP from DNS (disabled round robin dns) for the server I was trying to shutdown , the server shutdown right away.

I'm guessing somewhere there's a configuration that needs to be pointed to the other master server?

How are others doing load balancing/fail over ?

tia

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