[rescue] does this guy know his stuff?

[Shannon]

On Sun, Jul 27, 2003 at 02:52:58PM +0100, Mike Meredith wrote:
> On Sun, 27 Jul 2003 09:08:04 -0400 (EDT)
> vance at neurotica.com wrote:
> > On Sun, 27 Jul 2003, Mike Meredith wrote:
> > I prefer RAID 5, rather than 0+1, becuase it's more space-efficient.
> 
> Oh I do too ... even on database servers (at least whilst the
> bottleneck is application inefficiency), but even with hardware RAID you
> get around a 25% performance hit for RAID5(benchmarked on an untuned
> system with a T3). I'd expect software RAID5 to be somewhat worse,
> although I haven't benchmarked it.

25% worse than what?

Are you comparing raid5 with stripes?





-- 
UNIX/Perl/C/Pizza__________________________________shannon at widomaker.com