Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751734AbYC3E2x (ORCPT ); Sun, 30 Mar 2008 00:28:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750899AbYC3E2o (ORCPT ); Sun, 30 Mar 2008 00:28:44 -0400 Received: from ausc60ps301.us.dell.com ([143.166.148.206]:56606 "EHLO ausc60ps301.us.dell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750788AbYC3E2n (ORCPT ); Sun, 30 Mar 2008 00:28:43 -0400 X-IronPort-AV: E=Sophos;i="4.25,577,1199685600"; d="scan'208";a="570448548" Date: Sat, 29 Mar 2008 23:28:11 -0500 From: Matt Domsch To: Greg Freemyer Cc: James Bottomley , Mark Lord , Jens Axboe , Jeff Garzik , Tejun Heo , Greg KH , Linus Torvalds , Andrew Morton , Linux Kernel , IDE/ATA development list , linux-scsi Subject: Re: What to do about the 2TB limit on HDIO_GETGEO ? Message-ID: <20080330042811.GB27330@auslistsprd01.us.dell.com> References: <47E875AD.1000901@rtr.ca> <47E87942.2020409@rtr.ca> <1206458278.3273.5.camel@localhost.localdomain> <87f94c370803251045h46cbdc0auc541302fbad4a3b9@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87f94c370803251045h46cbdc0auc541302fbad4a3b9@mail.gmail.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1206 Lines: 31 On Tue, Mar 25, 2008 at 01:45:35PM -0400, Greg Freemyer wrote: > I believe GUID Partition Tables (GPTs) are the answer. > > I believe one of the features of GPT is the elimination of the 32-bit > sector restrictions. > > http://en.wikipedia.org/wiki/GUID_Partition_Table > > Windows VISTA 64-bit supports GPTs on data disks and new Mac OS based > systems have been using it on internal drives for a couple years at > least. > > GPTs are part of the Extensible Firmware Interface (EFI), so they > should be usable for PC bootable disks at some point. (Maybe now in > some cases?) > > I'm not sure what the Linux Kernel support is for GPTs. It has been supported since the first Itanium systems shipped. It's the first code I wrote 7+ years before it was really needed. :-) Most distributions have it enabled, as do userspace tools like GNU Parted. -- Matt Domsch Linux Technology Strategist, Dell Office of the CTO linux.dell.com & www.dell.com/linux -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/