Re: H/W RAID 5 on slower disks versus no raid on faster HDDs

On Mon, 2002-11-25 at 23:03, David Gilbert wrote:
>
> I'm on a bit of a mission to stamp out this misconception.  In my
> testing, all but the most expensive hardware raid controllers are
> actually slower than FreeBSD's software RAID.  I've done my tests with
> a variety of controllers with the same data load and the same disks.
>

Hi there,
Interesting observation. But I am just curious; is this still valid when
you have a DB server with, say, 95+% CPU utilisation??!! (I guess we all
know that if one don't get high CPU utilisation on a DB server, either
the owner has had too much money, or the DBA has some fine tuning to
do).

Hossein