Re: DBSPACES and RAID

Hi All! Thanks for all your replies! In light of the information given it has been decided that it would probably not be such a good idea to go to RAID 5 just yet! - I am now trying to persuade management that they want to run their database from my old sinclair spectrum 48k (with add - on audio cassette for vital 'tape' backups :) ) harryjohnson@my-deja.com wrote: > 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! > > > > Thomas > > > 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. > > Harry Johnson > > Sent via Deja.com http://www.deja.com/ > Before you buy. -- John Horton DBA Cognito john.horton@cognito.co.uk