From owner-freebsd-geom@FreeBSD.ORG Thu Jul 9 14:01:49 2009 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EF15E106568C; Thu, 9 Jul 2009 14:01:49 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id E329D8FC17; Thu, 9 Jul 2009 14:01:48 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id QAA10401; Thu, 09 Jul 2009 16:51:33 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4A55F5E5.9080703@icyb.net.ua> Date: Thu, 09 Jul 2009 16:51:33 +0300 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.22 (X11/20090630) MIME-Version: 1.0 To: Ivan Voras References: In-Reply-To: X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-geom@freebsd.org Subject: Re: glabel and real disk IDs X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2009 14:01:50 -0000 on 09/07/2009 14:52 Ivan Voras said the following: > Hi, > > I've been working with glabels for a time and just remembered that ATA > (ad) drives do in fact export the drive ID, for example: [snip] > I don't think it would be hard to add a label parser to gather this > information and export it as a label. > > The purpose of this would be to have a unique disk ID without explicitly > setting a label (e.g. as is commonly advised for ZFS and drive swapping). > > Any objections? This is a very good idea in my opinion. -- Andriy Gapon