In response to John Gateley <gateley(at)jriver(dot)com>:
> Sorry if this is a FAQ, I did search and couldn't find much.
>
> I need to make my Postgresql installation fault tolerant.
> I was imagining a RAIDed disk array that is accessible from two
> (or multiple) computers, with a postmaster running on each computer.
> (Hardware upgrades could then be done to each computer at different
> times without losing access to the database).
>
> Is this possible?
PGCluster II does this. I don't know if it's out of beta yet.
--
Bill Moran
http://www.potentialtech.com