Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261929AbTK3WuZ (ORCPT ); Sun, 30 Nov 2003 17:50:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262094AbTK3WuZ (ORCPT ); Sun, 30 Nov 2003 17:50:25 -0500 Received: from mail009.syd.optusnet.com.au ([211.29.132.64]:2745 "EHLO mail009.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S261929AbTK3WuX (ORCPT ); Sun, 30 Nov 2003 17:50:23 -0500 Date: Mon, 1 Dec 2003 09:54:40 +1100 From: Andrew Clausen To: Arjan van de Ven Cc: Apurva Mehta , Andries Brouwer , John Bradford , Linux Kernel Mailing List , bug-parted@gnu.org Subject: Re: Disk Geometries reported incorrectly on 2.6.0-testX Message-ID: <20031130225439.GA464@gnu.org> References: <20031128045854.GA1353@home.woodlands> <20031128142452.GA4737@win.tue.nl> <20031129022221.GA516@gnu.org> <20031129123451.GA5372@win.tue.nl> <200311291350.hATDo0CY001142@81-2-122-30.bradfords.org.uk> <20031129223103.GB505@gnu.org> <1070182676.5214.2.camel@laptop.fenrus.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1070182676.5214.2.camel@laptop.fenrus.com> X-Accept-Language: en,pt User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 30, 2003 at 09:57:56AM +0100, Arjan van de Ven wrote: > > Intel's EFI GPT partition table format seems quite acceptable. > > EFI GPT has some severe downsides (like requiring the last sector on > disk, which in linux may not be accessible if the total number of > sectors is not a multiple of 2, Yeah, this does suck. That ioctl hack isn't pretty. > and making dd of one disk to another impossible if the second one is > bigger) You just lose some of the fault tolerance, until you rerun a partition tool (or even boot a kernel) that re-does the end of it, adjusting for the new disk size. The whole point of having an extra copy of the table is to be fault tolerant, not to introduce another point of failure! Cheers, Andrew - 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/