From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 18 May 2001 10:01:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 18 May 2001 10:00:55 -0400 Received: from hermes.sistina.com ([208.210.145.141]:19472 "HELO sistina.com") by vger.kernel.org with SMTP id ; Fri, 18 May 2001 10:00:42 -0400 Date: Fri, 18 May 2001 15:57:32 +0000 From: "Heinz J. Mauelshagen" To: "Albert D. Cahalan" Cc: Mauelshagen@Sistina.com, Thomas Kotzian , Helge Hafting , linux-kernel@vger.kernel.org Subject: Re: LANANA: To Pending Device Number Registrants Message-ID: <20010518155732.A26161@sistina.com> Reply-To: Mauelshagen@Sistina.com In-Reply-To: <20010516185845.A14397@sistina.com> <200105170635.f4H6Ztq456282@saturn.cs.uml.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <200105170635.f4H6Ztq456282@saturn.cs.uml.edu>; from acahalan@cs.uml.edu on Thu, May 17, 2001 at 02:35:55AM -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 17, 2001 at 02:35:55AM -0400, Albert D. Cahalan wrote: > Heinz J. Mauelshag writes: > > > LVM does a similar thing storing UUIDs in its private metadata > > area on every device used by it. > > > > Problem is: neither MD nor LVM define a standard in Linux > > which *needs* to be used on every device! > > > > It is just up to the user to configure devices with them or not. > > > > BTW: in case we had a Linux standard it wouldn't solve the > > "different OS" situation mentioned in this thread either. > > > > > > Generally speaking: > > > > It is not the problem to reserve some space to store a uuid or > > something at such and such location on a device. > > > > The problem is the lack of a standard which eventually > > could be implemented in all OSes at some point in time. > > The PC partition table has such an ID. The LILO change log > mentions it. I think it's 6 random bytes, with some restriction > about being non-zero. This is just a type identifier showing the parition type and just valid on the PC. Won't help it. -- Regards, Heinz -- The LVM Guy -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-