[Dovecot] IMAP/POP3 Proxy Redundancy

Timo Sirainen tss at iki.fi
Wed Aug 4 19:25:09 EEST 2010


On Wed, 2010-08-04 at 11:14 -0500, Cory wrote:
> Looking over the list archives and Wiki there doesn't seem to be any 
> sort of built-in host redundancy with the proxy.  I would prefer to use 
> a built in though it doesn't look like this is possible.
> 
> One of the suggestions that I found in the list archives was to write a 
> script which checks the health of the hosts and adjusts the MySQL table 
> accordingly.   Has anyone done anything like this in production?

Are you using NFS or some other shared filesystem? Then you should
probably use the new director service in v2.0:
http://blog.dovecot.org/2010/05/new-director-service-in-v20-for-nfs.html

It doesn't support automatic failover yet either, but it's much easier
to implement to it.




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