From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ATA 4 KiB sector issues. Date: Tue, 09 Mar 2010 11:22:30 +0900 Message-ID: <4B95B0E6.2000401@kernel.org> References: <4B947393.2050002@kernel.org> <4B955A37.2030206@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4B955A37.2030206@zytor.com> Sender: linux-kernel-owner@vger.kernel.org To: "H. Peter Anvin" Cc: "Martin K. Petersen" , "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 List-Id: linux-ide@vger.kernel.org Hello, On 03/09/2010 05:12 AM, H. Peter Anvin wrote: > 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. Updated to, This might also be beneficial for operating systems which don't suffer from this limitation. A different partition format - GPT[6] - should be used beyond 2^32 sectors, which could harm compatibility with other operating systems which don't recognize the new format. Thanks. -- tejun