Re: raid0 slower than devices it is assembled of?

[Witold Krecicki]

Dnia Tuesday 16 of December 2003 05:01, jw schultz napisał:
> No Linux [R]AID improves sequential performance.  How would
> reading 65KB from two disks in alternation be faster than
> reading continuously from one disk?
Well, but at the beginning I've got about 85-90MB/sec for buffered array 
reads. That was on 2.4.21-pre or even patched 2.4.20 (on siimage - in it's 
early stages, not sata_sil driver). Now it's 3 times slower (checkedwith 
preemptible kernel, it's even slower) - so something went bad.
-- 
Witold Kręcicki (adasi) adasi [at] culm.net
GPG key: 7AE20871
http://www.culm.net
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