[Dovecot] Multiple MYSQL hosts as passdb backend

[Timo Sirainen]

On Tue, 2010-11-16 at 15:44 -0800, moody_cz wrote:

> Everything works fine as long as 10.0.0.3 is up and running. However, when I
> shutdown mysql server on 10.0.0.3, dovecot won't even try the other host
> 10.0.0.4 as it is told to do in the conf.

That was a bug, fixed:
http://hg.dovecot.org/dovecot-2.0/rev/666fd046ab7f

Also this improves the failure handling for both mysql/pgsql:
http://hg.dovecot.org/dovecot-2.0/rev/990abbb6d3dd