Re: Help on creating a High Availability PostgreSQL

> We are looking to create a two-machine high-availability configuration 
> for PostgreSQL.  We have been pursuing using something like rserv, but 
> this appears to be more of a slave sync tool.  Actually, this is also 
> important to us (as we expect we will need to scale to lots of readers 
> doing queries on the database (we are running  datamart of website 
> performance metrics).
> 
> But, rserv (and eRServer, its commercial cousin) dont seem to have a 
> hot-standby capability at the moment.  I have looked through some of the 
> PostgreSQL archives and I've seen articles about other approaches, but I 
> mostly see replication engines (which are a good thing, but not what I 
> am hunting for).
> 
> I saw one posting that suggested using a clustered filesystem; is this 
> an option?  Has anyone done postgreSQL on a replicating/clustered file 
> system with decent performance?  Any and all ideas are welcome.

We are selling Lifekeeper (a hot-standby cluster software) +
PostgreSQL adapter software for Lifekeeper + support combo package
called "PostgreSQL HA package" in Japan. This requires an expensive
shared disk hardware though.
--
Tatsuo Ishii