raid3 is slow

[R. B. Riddick]

--- Szabó Péter <matyee at mail.alba.hu> wrote:
> I stop the copy, load is 0.05, and start again, after a few seconds load is
> 2.02.
> 
Do u use UDMA?
What does
  atacontrol mode <disk name>
say?

What if u use gstripe instead of graid3?

What if u use "dd if=/dev/zero
of=/single-hdd-75GB/test-file-that-did-not-exist-before bs=1m count=128"?

What does "systat -vmstat" say (the lower left corner, where the
"KB/t[ransfer]" r shown)?

-Arne


 
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