spyro at f2s.com
Fri Nov 15 07:32:34 PST 2002
On Fri, 15 Nov 2002 14:20:08 +0000 (UTC)
heartboy at nycap.rr.com (Joe Morris) wrote:
> Okay, I redid it with a 1G file size (I've got 512M of RAM):
> -------Sequential Output-------- ---Sequential Input--
> -Per Char- --Block--- -Rewrite-- -Per Char- --Block---
> Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU
> /sec %CPU
> 1024 25438 96.8 39138 10.9 17911 5.5 19748 78.5 35907 7.5
not even close to max speed, but then if thats in the middle of the
drive somewhere, its alright.
Have you tried the zcat utility? I ran it overnight (zcat
/dev/discs/disc0/part3 > out.txt) it actually took 58 mins, but I was in
It showed (when plotted in Excel) a curve from about 42MB/sec (max) down
to about 29MB/sec min at the arse end of the disc.
Thats 10% slower than its meant to run, for the fast bit, but more
worrying were the slow spots (20MB/sec) about 1/3 to 1/2 of the way
through the disc, exactly where the file I tried to burn would have
Anyhow - WD have (at no cost to me) agreed to exchange it, so Im happy.
I'll buy from them again - even if 9/10 of their discs are faulty - with
customer service like that.
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