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SubjectRe: 2.2.3, VIA, IDE, performace :(
On Sat, Mar 20, 1999 at 12:25:19AM +0200, Meelis Roos wrote:
> Then the disk was upgraded to a 8G IBM DTTA. Now hdparm reports 5.9..6.2
> M/s on the first run. Slower than it showed for the 4G disk.
>
> Now the interesting part: running hdparm -t /dev/hda again (and again
> and again) shows constantly 84.21 MB/s. This is the part I can't
> understand - even if the disk is capable of caching the data, EIDE would
> not let more than 33 MB/s through.

Run hdparm -tT /dev/hd? to time the speed of the buffer cache as well as the
transfer speed. The latter will be corrected by the result of the first.

--
Dipl.Phys. Kurt Garloff <kurt@garloff.de> [Dortmund, FRG]
Plasma physics, high perf. computing [Linux-ix86,-axp, DUX]
PGP key: see mailheader / key servers [Linux SCSI driver: DC390]
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