From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Soltys Subject: Re: ATA 4 KiB sector issues. Date: Tue, 09 Mar 2010 11:06:07 +0100 Message-ID: <4B961D8F.3010500@ziu.info> References: <4B947393.2050002@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Mikael Abrahamsson Cc: Tejun Heo , "linux-ide@vger.kernel.org" , lkml , Daniel Taylor , Jeff Garzik , Mark Lord , tytso@mit.edu, "H. Peter Anvin" , hirofumi@mail.parknet.co.jp, Andrew Morton , Alan Cox , irtiger@gmail.com, Matthew Wilcox , aschnell@suse.de, knikanth@suse.de, jdelvare@suse.de List-Id: linux-ide@vger.kernel.org Mikael Abrahamsson wrote: > On Mon, 8 Mar 2010, Tejun Heo wrote: > >> http://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues > > Excellent summary. > >> C-2. Windows XP depends on the traditional partition layout. > > Is this really true? WD ships their EARS drives with an alignment tool > that as far as I can understand, moves the partition so > it's aligned to 4KiB: > XP SP2 (or later) can boot from any place, including logical partitions (tested that recently). Most important thing is "hidden sectors" (recent chain.c32 can set that automatically through ntldr and/or sethidden options). No idea about pre-SP2 ; Win 2000 will not boot from "misaligned" (with reference to cylinder boundary) partition.