High-Availability IMAP server

[David Carter]

On Wed, 28 Sep 2005, brad wrote:

> I read the documentation on replication and am interested in trying it. 
> I have several servers that run a single domain, but are using 
> virtdomain anyway.  I would like to have one virtdomain replica server 
> that serves as a hot spare to all of these servers.  In other words 
> server A would replicate domain A mailboxes to the replica and server B 
> would replicate domain B to the replica.  If server A fails then I could 
> bring up the replica server for domain A but not domain B (just by not 
> pointing domain B to the replica server).  Is this possible?

We typically run with half the accounts on a given server as masters and 
the other half as replicas to reduce fallout from a single server failing.

We don't use virtual domains. I'm afraid I don't know if the code in 2.3 
supports virtual domains. Ken?

-- 
David Carter                             Email: David.Carter at ucs.cam.ac.uk
University Computing Service,            Phone: (01223) 334502
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