On Sat, Jul 03, 2004 at 02:59:26AM +0100, sigsegv@rambler.ru wrote:
> [...]
> 
> Looks a bit better, but still, nowhere near 80M/sec for two IDE disks on 
> software RAID-0, each capable of 40M/sec. By the way I tried different 
> bs values, bs=32k, bs=64k, bs=512k and 64k is the optimum

What strip size did you use ?
Finding the appropriate size need experiments, it depends on hardware and
usage pattern.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--