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 13:43:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 27 May 2001 13:42:59 -0400 Received: from supelec.supelec.fr ([160.228.120.192]:42764 "EHLO supelec.supelec.fr") by vger.kernel.org with ESMTP id ; Sun, 27 May 2001 13:42:53 -0400 Message-ID: <3B113CBE.CC07868D@supelec.fr> Date: Sun, 27 May 2001 19:43:26 +0200 From: francois.cami@supelec.fr X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.5 i686) X-Accept-Language: fr, en MIME-Version: 1.0 To: Jakob =?iso-8859-1?Q?=D8stergaard?= CC: Jaswinder Singh , stepken@little-idiot.de, linux-kernel@vger.kernel.org Subject: Re: IDE Performance lack ! In-Reply-To: <01052622193100.01317@linux.zuhause.de> <00a101c0e642$4f0791a0$52a6b3d0@Toshiba> <20010527183207.B21206@unthought.net> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > 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 ;) I agree. I get around 4MB/s without and 35.75MB/s with... hdparm -c3 -d1 -m16 /dev/hda on a KT133 (A7V) and 45GB IBM DTLA hard drive. no data corruption, even with a sblive, an scsi adapter, 2 hard drives... François Cami > -- > ................................................................. > : jakob@unthought.net : And I see the elder races, : > :.........................: putrid forms of man : > : Jakob Ĝstergaard : See him rise and claim the earth, : > : OZ9ABN : his downfall is at hand. : > :.........................:............{Konkhra}...............: > - -- All that is gold does not glitter, Not all those who wander are lost, The old that is strong does not wither, Deep roots are not touched by the frost. >>From the ashes a fire shall be woken, A light from the shadows shall spring, Renewed shall the blade that was broken, The crownless again shall be king. The Riddle of Strider JRR Tolkien