In your case I'd go for the 3 disk raid 0 setup. El ago 27, 2013 11:25 p.m., "Scott Marlowe" <scott.marl...@gmail.com> escribió: > > On Tue, Aug 27, 2013 at 7:18 PM, Rene Romero Benavides > <rene.romer...@gmail.com> wrote: > > First of all, thank you so much for your valuable time. > > > > It probably does, though we have a requirement of having available at least > > twice the expected database size, and 50% of disk space overhead sounds like > > too much for us to take in a replicated SAN environment and a PostgreSQL > > master/slave - streaming replication setup. > > > > our options regarding disks availability at the moment are: > > a 3 disks array dedicated for PostgreSQL in any RAID configuration we'd > > like > > OR > > a 10 disks array shared with 14 virtual machines running the middleware > > layer and the application infrastructure in a RAID 5 configuration
In your case I'd go for the 3 disk raid 0 setup. Be sure to have your failover scripts tested. Regards, Fernando
