From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Andrewartha Subject: Re: ATA support for 4k sector size Date: Fri, 11 Dec 2009 15:05:56 +0800 Message-ID: <4B21EF54.9070609@daa.com.au> References: <1235600698-6446-1-git-send-email-matthew@wil.cx> <49A5CBF7.9000501@zytor.com> <20090226025043.GJ1363@mit.edu> <20090226030735.GA16891@parisc-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from quoll.daa.com.au ([203.17.251.1]:54399 "EHLO quoll.daa.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933386AbZLKHPn (ORCPT ); Fri, 11 Dec 2009 02:15:43 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Martin K. Petersen" Cc: Matthew Wilcox , Theodore Tso , "H. Peter Anvin" , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, sandeen@redhat.com Martin K. Petersen wrote: >>>>>> "Matthew" == Matthew Wilcox writes: > > Matthew> Lowest aligned logical block address=0 > > Matthew> This disagrees with Martin's assertion. > > The original roadmap was to transition to 4KB sectors in 2006, > coinciding with the Vista release. > > Given how long this has taken (we're now talking ~2011 for GA) it may > very well be that the alignment knobs will be unused because everybody > will be using Vista or 7 by then. The plan does seem to have changed - WD's shipping 4k sector drives that are sane and require a drive jumper or tool for WinXP and old cloning utilities. http://techreport.com/discussions.x/18115 http://wdc.com/en/products/advancedformat/ http://www.wdc.com/wdproducts/library/whitepapers/en/2579-771430-A00.pdf -- James Andrewartha