From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 27 May 2001 12:32:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 27 May 2001 12:32:20 -0400 Received: from unthought.net ([212.97.129.24]:40330 "HELO mail.unthought.net") by vger.kernel.org with SMTP id ; Sun, 27 May 2001 12:32:09 -0400 Date: Sun, 27 May 2001 18:32:07 +0200 From: =?iso-8859-1?Q?Jakob_=D8stergaard?= To: Jaswinder Singh Cc: stepken@little-idiot.de, linux-kernel@vger.kernel.org Subject: Re: IDE Performance lack ! Message-ID: <20010527183207.B21206@unthought.net> Mail-Followup-To: =?iso-8859-1?Q?Jakob_=D8stergaard?= , Jaswinder Singh , stepken@little-idiot.de, linux-kernel@vger.kernel.org In-Reply-To: <01052622193100.01317@linux.zuhause.de> <00a101c0e642$4f0791a0$52a6b3d0@Toshiba> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2i In-Reply-To: <00a101c0e642$4f0791a0$52a6b3d0@Toshiba>; from jaswinder.singh@3disystems.com on Sat, May 26, 2001 at 05:16:42PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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}...............: