[912] in linux-scsi channel archive
Re: termination
daemon@ATHENA.MIT.EDU (Russell Berry)
Sun Nov 10 21:05:04 1996
Date: Sun, 10 Nov 1996 20:53:10 -0500
From: Russell Berry <rberry@albany.net>
To: "Francisco J. Montilla" <pacopepe@nova.es>
CC: linux-scsi@vger.rutgers.edu
Actually Francisco, it appears that MY results were the ones
that were abnormal. Aparently the disk caching gave improper
numbers for the test, I've been told by a factor of about three
or more. So the highest theoretical throughput would be 10MB/sec,
and that shouldn't even happen in reality.
Francisco J. Montilla wrote:
>
> On Tue, 5 Nov 1996, Russell Berry wrote:
>
> [...]
> > I leavith it alone...and it works. Do these numbers look okay???
> >
> > hdparm -t /dev/sda
> >
> > /dev/sda:
> > Timing buffered disk reads: 16 MB in 0.67 seconds =23.88 MB/sec
>
> That looks _very_ good... what it doesn't is mine:
>
> /dev/sda:
> Timing buffered disk reads: 16 MB in 7.47 seconds = 2.14 MB/sec
>
> :-o Isn't that abnormal? I'm using that HD to master CD
> images to later burn CDs with no problems, but those are a very poor
> results...
> *****---(*)---**********************************************---------->
> Francisco J. Montilla Irc: pukka Seville
> pacopepe@nova.es FiDO: 2:345/402.22 Spain
> INSFLUG (LiNUX) Coordinator. www.insflug.nova.es / ftp.insflug.nova.es
