On Mon, Nov 23, 2009 at 03:19:17AM -0800, AnthonyV wrote:
> Hello,
>
> I have a pg8.3 server (an 8.4 upgrade is scheduled) on Windows. I
> would like an other pg server in backup in case of hardware problem
> on my first server.
>
> I use read/write queries and I would like the second pg become
> master
This part can be done if you separate the read queries from the ones
that write and/or must be current as of the most recent commit on the
master. Slony works for doing a manual failover.
> without any human intervention.
This part is generally a very bad idea. What happens if there is a
bug in the crash detection system? In broad generality, a sensor
attached directly to an actuator is a booby trap, and this case is no
exception.
Cheers,
David.
--
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