[rescue] does this guy know his stuff?
mike at blackhairy.demon.co.uk
Sun Jul 27 08:52:58 CDT 2003
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.
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