[Dovecot] Clustering dovecot?

Rick Romero rick at havokmon.com
Wed May 27 20:49:48 EEST 2009


Quoting dovecot at corwyn.net:

> At 01:17 PM 5/27/2009, Seth Mattinen wrote:
>> You're probably looking for Dovecot replication, which as far as I'm
>> aware, has not made itself known in a functional form yet. I really want
>> to see master/master replication.
>
> I at least don't think I am - I think I'd rather run dovecot with  
> two front-end servers clustered to a backend SAN. If I"m running two  
> separate servers then all of my clients (which i can point to only 1  
> IP) I think woudl go down if "their" server went  down.
>
> But what it sounds like you're saying is that there's no good way to  
> run dovecot so that if the single server it's on fails I can keep  
> service availability?

If you have 2 dovecot servers with your mailboxes stored on a SAN  
(over NFS), you can front your 2 dovecot machines with a load balancer  
like UltraMonkey (LHA/Heartbeat).

Rick



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