From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA 4 KiB sector issues. Date: Wed, 10 Mar 2010 09:05:47 +0900 Message-ID: <4B96E25B.7050200@kernel.org> References: <4B947393.2050002@kernel.org> <1268031640.4389.11.camel@mulgrave.site> <4B94ACE8.4060400@zytor.com> <87f94c371003091446h62e50257qf884b278c69cfbfa@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:57777 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751565Ab0CJAGR (ORCPT ); Tue, 9 Mar 2010 19:06:17 -0500 In-Reply-To: <87f94c371003091446h62e50257qf884b278c69cfbfa@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Greg Freemyer Cc: "H. Peter Anvin" , James Bottomley , "linux-ide@vger.kernel.org" , lkml , Daniel Taylor , Jeff Garzik , Mark Lord , tytso@mit.edu, hirofumi@mail.parknet.co.jp, Andrew Morton , Alan Cox , irtiger@gmail.com, Matthew Wilcox , aschnell@suse.de, knikanth@suse.de, jdelvare@suse.de, mkp@mkp.net Hello, On 03/10/2010 07:46 AM, Greg Freemyer wrote: >> As far as partitioning... I believe we should be using GPT partition tables >> where possible. Even on non-EFI systems, it's simply a much better >> partition table format. > > GPT can not be used for boot disks in non-EFI systems, right? IIUC, I think any BIOS should be able to do so as it only cares about the code part of MBR not the partitions and even with GPT the MBR remains the same with the partition part describing the rest of the while disk as a single chunk containing GPT managed area. The only problem is the older operating systems (like XP) which don't understand GPT wouldn't be able to access those partitions. Thanks. -- tejun