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Date:      Fri, 8 Aug 1997 01:56:12 -0500 (EST)
From:      "John S. Dyson" <toor@dyson.iquest.net>
To:        sos@sos.freebsd.dk (Søren Schmidt)
Cc:        tom@uniserve.com, freebsd@atipa.com, toor@dyson.iquest.net, dyson@FreeBSD.ORG, ggm@connect.com.au, current@FreeBSD.ORG
Subject:   Re: IDE vs SCSI was: flags 80ff works (like anybody doubted it)
Message-ID:  <199708080656.BAA00553@dyson.iquest.net>
In-Reply-To: <199708080650.IAA01405@sos.freebsd.dk> from =?ISO-8859-1?Q?S=F8ren_Schmidt?= at "Aug 8, 97 08:50:15 am"

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> In reply to Tom who wrote:
> > 
> > > > dd if=/dev/rsd0 of=/dev/null count=1600 bs=64k
> > > > 1600+0 records in
> > > > 1600+0 records out
> > > > 104857600 bytes transferred in 27.336979 secs (3835742 bytes/sec)
> > 
> >   Hehe, I can do the above dd at 8738133 bytes/sec, on a NCR 810
> > (narrow!), with a Seagate Barracuda.  Try to find a IDE drive that can do
> > that.  This is only a P120.
> 
> Don't get exicited yet :) I can do that like this:
> 
> dd if=/dev/rwd0  of=/dev/null count=1600 bs=64k
> 1600+0 records in
> 1600+0 records out
> 104857600 bytes transferred in 11.357939 secs (9232097 bytes/sec)
> 
> So come again :)
> 
Yep, the 9+MB/sec that I quoted was also for my 4GB Caviar.  I guess that
it could have been confusing since the WD Enterprise (SCSI) is also available
in 4GB.  These EIDEs even though middle/low end, actually perform pretty
well.  Wouldn't want to run a full feed newserver on them though :-).

John



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