Re: [OFF-TOPIC] - Known maximum size of the
Gaetano Mendola <mendola@bigfoot.com>
From: Gaetano Mendola <mendola@bigfoot.com>
To: Don Vaillancourt <donv@webimpact.com>
Date: 2004-05-07T23:35:44Z
Lists: pgsql-performance
Don Vaillancourt wrote: > > Here's a question a little off-topic. > > What would a 32TB database hardware configuration look like. I'm > assuming 200GB hard-drives which would total 160 of them. Double that > if you mirror them. > > Am I correct? Why do you have to mirror them ? Usually a SAN make data redundancy using a RAID 4 or 5, this depend if you need read performances or write performances, in the case of Red Sherif I guess that guys are using RAID 50 ( 0 + 5 ) sets so what you "waste" is a disk for each set. Regards Gaetano Mendola