From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: ATA 4 KiB sector issues. Date: Mon, 08 Mar 2010 12:12:39 -0800 Message-ID: <4B955A37.2030206@zytor.com> References: <4B947393.2050002@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:43554 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755523Ab0CHUOE (ORCPT ); Mon, 8 Mar 2010 15:14:04 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Martin K. Petersen" Cc: Tejun Heo , "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, Karel Zak , Jim Meyering On 03/08/2010 07:18 AM, Martin K. Petersen wrote: > > I'm Cc:'ing Karel Zak and Jim Meyering who have been doing all the > alignment work for fdisk and parted respectively. Karel, Jim: The full > writeup is here: > > http://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues > > It'd be great if you guys could share what you have been doing to the > tooling. > Please correct the following bit in C-3: "A different partition format - GPT[6] - should be used beyond 2^32 sectors, which could harm compatibility with older BIOSs or other operating systems which don't recognize the new format." BIOS does not care about the partition table format. There might be issues with > 2^32 sectors for BIOSes (e.g. truncating sector counts), but that would be unrelated. -hpa