From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261496AbVGTTp1 (ORCPT ); Wed, 20 Jul 2005 15:45:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261497AbVGTTp1 (ORCPT ); Wed, 20 Jul 2005 15:45:27 -0400 Received: from mail.dvmed.net ([216.237.124.58]:6282 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261496AbVGTTpZ (ORCPT ); Wed, 20 Jul 2005 15:45:25 -0400 Message-ID: <42DEA9C8.2030101@pobox.com> Date: Wed, 20 Jul 2005 15:45:12 -0400 From: Jeff Garzik User-Agent: Mozilla Thunderbird 1.0.2-6 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Lewis CC: linux-kernel@vger.kernel.org Subject: Re: IDE PIIX vs libata piix with software raid References: <200507201926.j6KJQW6L021545@mail.jettisonnetworks.com> In-Reply-To: <200507201926.j6KJQW6L021545@mail.jettisonnetworks.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Lewis wrote: > Greetings, > > I am developing a system using the Intel SE7520BD2 motherboard. It has an > ICH5 with two SATA ports and one PATA channel. I am able to drive the PATA > channel with either the normal PIIX IDE driver or the libata driver which I > am using for the SATA ports. Ultimately all 4 ports will be in use with the > md driver creating a stripe volume (RAID0) that spans a partition on each of > the 4 drives (not for boot). > > My question is, what is the recommended driver to use for the PATA channel? > Is it better to let libata support both types of drives, or use the IDE > driver for the PATA? Searching I have found that the support is there in > libata for the PATA channel (and I have it working on the system), but I > can't find a clear recommendation on which driver is considered 'better' in > this situation. If you're just using hard drives, there should be no problem using libata for both PATA and SATA. However, in general, the IDE driver (CONFIG_IDE) is recommended for PATA. Jeff