From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263157AbTJUPNN (ORCPT ); Tue, 21 Oct 2003 11:13:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263155AbTJUPM4 (ORCPT ); Tue, 21 Oct 2003 11:12:56 -0400 Received: from mailgate.imerge.co.uk ([195.217.208.100]:15111 "EHLO imgserv04.imerge-bh.co.uk") by vger.kernel.org with ESMTP id S263157AbTJUPKm (ORCPT ); Tue, 21 Oct 2003 11:10:42 -0400 Message-ID: From: James Finnie To: "'Bartlomiej Zolnierkiewicz'" Cc: "'linux-kernel@vger.kernel.org'" Subject: RE: VIA IDE performance under 2.6.0-test7/8? Date: Tue, 21 Oct 2003 16:11:00 +0100 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Does 'hdparm -a 512 /dev/hd?' help? > --bartlomiej Indeed it does, and -a 1024 is even better, but why the change? Under 2.4.21, I only have a readahead value of 8 set, in fact hdparm barfs if you try to set anything above 255! Any ideas? James. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Imerge Limited Tel :- +44 (0)1954 783600 Unit 6 Bar Hill Business Park Fax :- +44 (0)1954 783601 Saxon Way Web :- http://www.imerge.co.uk Bar Hill Cambridge CB3 8SL United Kingdom ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~