From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263591AbTJVMcr (ORCPT ); Wed, 22 Oct 2003 08:32:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263601AbTJVMcr (ORCPT ); Wed, 22 Oct 2003 08:32:47 -0400 Received: from mailout02.sul.t-online.com ([194.25.134.17]:54190 "EHLO mailout02.sul.t-online.com") by vger.kernel.org with ESMTP id S263591AbTJVMco (ORCPT ); Wed, 22 Oct 2003 08:32:44 -0400 Message-ID: <3F96793F.7020305@t-online.de> Date: Wed, 22 Oct 2003 14:34:07 +0200 From: Knut Petersen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.1) Gecko/20031011 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "'linux-kernel@vger.kernel.org'" CC: James Courtier-Dutton Subject: Re: VIA IDE performance under 2.6.0-test7/8? References: <3F957DAC.6080901@superbug.demon.co.uk> <3F9669BF.1040408@t-online.de> In-Reply-To: <3F9669BF.1040408@t-online.de> X-Enigmail-Version: 0.76.7.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Seen: false X-ID: ZBRlC-ZFZePWTadPQX753kLvK3KdqPGhJnacjqUP24imo0re7SO6Ej@t-dialin.net Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Problem solved ... I wrote that playing around with read ahead settings (hdparm -a ...) did not help. In fact I was wrong, I assumed that these had identical meaning in the 2.4 and 2.6 kernel series and tried nothing higher than 255 (2.4.x maximum). With 255 kernel 2.4.0 performed 50% better than 2.6.0. After hdparm -a 8192 /dev/hd?: 2.6.0 performs 10% better than 2.4.0 Shouln´t the default settings be corrected? cu, Knut Petersen