From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264310AbTLBF67 (ORCPT ); Tue, 2 Dec 2003 00:58:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264311AbTLBF67 (ORCPT ); Tue, 2 Dec 2003 00:58:59 -0500 Received: from adsl-63-194-239-202.dsl.lsan03.pacbell.net ([63.194.239.202]:36618 "EHLO mmp-linux.matchmail.com") by vger.kernel.org with ESMTP id S264310AbTLBF65 (ORCPT ); Tue, 2 Dec 2003 00:58:57 -0500 Date: Mon, 1 Dec 2003 21:58:52 -0800 From: Mike Fedyk To: Greg Stark , Erik Steffl , linux-kernel@vger.kernel.org Subject: Re: libata in 2.4.24? Message-ID: <20031202055852.GP1566@mis-mike-wstn.matchmail.com> Mail-Followup-To: Greg Stark , Erik Steffl , linux-kernel@vger.kernel.org References: <3FCB8312.3050703@rackable.com> <87fzg4ckej.fsf@stark.dyndns.tv> <3FCBB15F.7050505@rackable.com> <3FCBB9F1.2080300@bigfoot.com> <87n0abbx2k.fsf@stark.dyndns.tv> <20031202055336.GO1566@mis-mike-wstn.matchmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031202055336.GO1566@mis-mike-wstn.matchmail.com> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 01, 2003 at 09:53:36PM -0800, Mike Fedyk wrote: > On Tue, Dec 02, 2003 at 12:36:19AM -0500, Greg Stark wrote: > > > > Erik Steffl writes: > > > > > not for drives >133GB (I have intel D865PERL mb and 250GB matrox, it doesn't > > > work without SCSI_ATA (at all), it cannot read/write above 133GB without libata > > > patches) > > > > My ICH5 was happily using my brand new 200GB SATA maxtor drive, at least up > > until last Friday when it crashed. Grumble, a brand new drive. > > > > I guess what I'm looking for is the "FAQ" or "README" file that most projects > > have. What are the advantages of using the libata patch vs the stock drivers > > and vice versa? What are the differences between the two? > > Libata, uses the scsi system instead of the existing ide layer because many > new sata controllers are using an interface that is very similair to scsi > (much like atapi). > > The existing ide layer is geared tward pata (old style with 40 or 80 pins), > and any sata controller that behaves like a pata coltroller. That's why > ICH5 and VIA's controllers are supported first (and not with all of their > features like hotplug and some others). > > I'd say use the stock ide driver unless libata gives you features you need, > or a >30% speed boost. >