Re: DBSPACES and RAID

From: harryjohnson@my-deja.com > >In article <aeldhseu.fsf@localhost.localdomain>, > Thomas Parsli <thomas.parsli@startsiden.no> wrote: > > "Obnoxio The Clown" <obnoxio@hotmail.com> writes: > > > > > From: johnh <john.horton@cognito.co.uk> > > > > > > >Has anyone had any experience of setting up DBSPACES on a RAID 5 >machine > > > > > > > >(in particular - running linux) > > > >I'm trying to make sure that there won't be any problems when I do >the > > > >final port off the (un-RAIDed) HP machine to a RAIDed linux box - >so > > > >would appreciate any advice in this area > > > >Thanks very much in advance for helpful hints, advice and horror >stories > > > > > > > >on this issue ! > > > > > > I have just this week lost a production RAID-5 box. The demise was >as > > > spectacular as it was sudden. In fifteen years, I have never seen a >box go > > > like that. I wouldn't touch RAID 5 with someone else's keyboard. > > > > > > Don't do it. Really. > > > > Tell me more, tell me more! > > >I agree. We have found that RAID-5 is 20 to 30 percent (sometimes more) >slower than using RAID 0+1 when there are a lot of writes. If it is >just reads, it's ok. I don't even care about the performance. If it loses your production database without any warning, I don't think performance even compares as an issue. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com