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From: "Jakob Østergaard" <jakob@unthought.net>
To: Jaswinder Singh <jaswinder.singh@3disystems.com>
Cc: stepken@little-idiot.de, linux-kernel@vger.kernel.org
Subject: Re: IDE Performance lack !
Date: Sun, 27 May 2001 18:32:07 +0200	[thread overview]
Message-ID: <20010527183207.B21206@unthought.net> (raw)
In-Reply-To: <01052622193100.01317@linux.zuhause.de> <00a101c0e642$4f0791a0$52a6b3d0@Toshiba>
In-Reply-To: <00a101c0e642$4f0791a0$52a6b3d0@Toshiba>; from jaswinder.singh@3disystems.com on Sat, May 26, 2001 at 05:16:42PM -0700

On Sat, May 26, 2001 at 05:16:42PM -0700, Jaswinder Singh wrote:
> >
> > RedHat 7.1 - IDE IBM 41.1 GIG
> > Update to 2.4.5 -> noticed, that hdparm -t /dev/hda went down from 10
> > MByte/sec to 1.9 MByte/sec
> > Any special Options, beside ide-scsi driver activated ..
> >
> > Anybody noticed the same problem ? Any clues ?
> >
> 
> yes , i am also not happy with IDE performance of Linux . That why i dont
> use Hard disk in my Target machines ;)
> 
> When ever i copy big data (around 400 to 700 MB ) from one partion to
> another my machine do not response at all (i can not work on another shell)
> during data transfer.

The answer for both of you is:

  hdparm -d1 /dev/hd{whatever}

Without DMA enabled, performance is going to suck.  1.9 MB/sec is actually pretty
good without DMA   ;)

-- 
................................................................
:   jakob@unthought.net   : And I see the elder races,         :
:.........................: putrid forms of man                :
:   Jakob Østergaard      : See him rise and claim the earth,  :
:        OZ9ABN           : his downfall is at hand.           :
:.........................:............{Konkhra}...............:

  parent reply	other threads:[~2001-05-27 16:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-26 20:19 IDE Performance lack ! Guido Stepken
2001-05-27  0:16 ` Jaswinder Singh
2001-05-27 10:40   ` Chris Wedgwood
2001-05-27 18:09     ` Jaswinder Singh
2001-05-27 22:08       ` Miquel van Smoorenburg
2001-05-28  3:29         ` Jaswinder Singh
2001-05-27 23:31       ` Chris Wedgwood
2001-05-27 16:32   ` Jakob Østergaard [this message]
2001-05-27 17:43     ` francois.cami
2001-05-27 18:14     ` Jaswinder Singh
2001-05-27  1:30 ` Marc Schiffbauer

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