On Wed, 2009-02-25 at 09:21 +0900, Jordan Tomkinson wrote: > > On Wed, Feb 25, 2009 at 12:05 AM, Aidan Van Dyk <[email protected]> > wrote: > * Greg Smith <[email protected]> [090201 00:00]: > > > Shouldn't someone have ranted about RAID-5 by this point in > the thread? > > > What? Sorry, I wasn't paying attention... > > You mean someone's actually still using RAID-5? > > ;-) > > What exactly is wrong with RAID5 and what should we have gone with?
RAID5 outside of RAID 0 is the worst possible RAID level to run with a database. (of the commonly used raid level's that is). It is very, very slow on random writes which is what databases do. Switch to RAID 10. Sincerely, Joshua D. Drkae > > -- PostgreSQL - XMPP: [email protected] Consulting, Development, Support, Training 503-667-4564 - http://www.commandprompt.com/ The PostgreSQL Company, serving since 1997 -- Sent via pgsql-general mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
