From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758625AbXGDVNy (ORCPT ); Wed, 4 Jul 2007 17:13:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751803AbXGDVNq (ORCPT ); Wed, 4 Jul 2007 17:13:46 -0400 Received: from main.gmane.org ([80.91.229.2]:55050 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755048AbXGDVNp (ORCPT ); Wed, 4 Jul 2007 17:13:45 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Thomas Backlund Subject: Re: speed trends in pata world. Date: Thu, 05 Jul 2007 00:13:50 +0300 Message-ID: References: <200707041550.22533.gene.heskett@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: ndn243.bob.fi User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) In-Reply-To: <200707041550.22533.gene.heskett@gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Gene Heskett skrev: > Greetings; > > The drive speeds seem to be going the wrong way. Its an nforce2 equipt mobo, > and I have 3 drives currently in this box. Running 2.6.22-rc6-cfs-v18 + the > ftdi_sio.c patch. > > hda, the primary on cable 0, is running at around 28MB/Sec. Its a 200GB WD > about 2 years old. > Looks like this one is stuck at UDMA/33 Check the dmesg what the kernel detects, and why it ends up at low speed... > hdb, is running at around 79MB/Sec, its a 4 year old 120GB WD. > hdd is running at about 75MB/Sec, is a nearly new 300GB WD. > > Can I read anything into the fact that the 2 fast drives are on the slave end > of the cables, whereas the slow one is master in the middle of the cable? > -- Thomas