Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 4 Sep 2002 19:33:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 4 Sep 2002 19:33:34 -0400 Received: from pc1-cwma1-5-cust128.swa.cable.ntl.com ([80.5.120.128]:14582 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Wed, 4 Sep 2002 19:33:23 -0400 Subject: Re: IDE write speed (Promise versus AMD) From: Alan Cox To: Jan Kasprzak Cc: linux-kernel@vger.kernel.org In-Reply-To: <20020904195729.A3985@fi.muni.cz> References: <20020904195729.A3985@fi.muni.cz> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-6) Date: 05 Sep 2002 00:38:35 +0100 Message-Id: <1031182715.2788.144.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 794 Lines: 17 On Wed, 2002-09-04 at 18:57, Jan Kasprzak wrote: > - it takes about 50 seconds (~40 MByte/s write speed) on hda, hdb and hdc, > but 2 minutes 48 seconds (~12 MByte/s write speed) on hde, hdf and hdg. > I have 1 GB of RAM, server is dual athlon 2000+. Kernel is 2.4.20-pre5-ac1. > > Is there any problem with the Promise IDE driver on Linux? One or two with various versions. I've seen the same thing with both IDE and non IDE devices with the AMD chipset. The two 64bit slots and the onboard I/O seems to have markedly higher write throughput. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/