From owner-freebsd-questions@FreeBSD.ORG  Mon Oct 19 14:46:48 2009
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B0265106566C
	for <freebsd-questions@freebsd.org>;
	Mon, 19 Oct 2009 14:46:48 +0000 (UTC)
	(envelope-from af.gourmet@videotron.ca)
Received: from relais.videotron.ca (relais.videotron.ca [24.201.245.36])
	by mx1.freebsd.org (Postfix) with ESMTP id 8479D8FC08
	for <freebsd-questions@freebsd.org>;
	Mon, 19 Oct 2009 14:46:48 +0000 (UTC)
MIME-version: 1.0
Content-transfer-encoding: 7BIT
Content-type: text/plain; charset=UTF-8
Received: from [192.168.0.51] ([96.21.103.185]) by VL-MH-MR001.ip.videotron.ca
	(Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug  3 2007;
	32bit))
	with ESMTP id <0KRR00DHENPR16N0@VL-MH-MR001.ip.videotron.ca> for
	freebsd-questions@freebsd.org; Mon, 19 Oct 2009 10:46:39 -0400 (EDT)
Message-id: <4ADC7BD3.30301@videotron.ca>
Date: Mon, 19 Oct 2009 10:46:43 -0400
From: PJ <af.gourmet@videotron.ca>
User-Agent: Thunderbird 2.0.0.23 (Windows/20090812)
To: Adam Vande More <amvandemore@gmail.com>
References: <4ADC6D89.10600@videotron.ca>
	<57200BF94E69E54880C9BB1AF714BBCBA57086@w2003s01.double-l.local>
	<4ADC772F.3060303@videotron.ca>
	<6201873e0910190729v12f66335xe93d0c83a0ee7aee@mail.gmail.com>
	<4ADC794F.3050505@videotron.ca>
	<6201873e0910190737o1d849953h6761085ba532f8f6@mail.gmail.com>
In-reply-to: <6201873e0910190737o1d849953h6761085ba532f8f6@mail.gmail.com>
Cc: Johan Hendriks <Johan@double-l.nl>, Polytropon <freebsd@edvax.de>,
	freebsd-questions@freebsd.org
Subject: Re: glabel clarification
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Oct 2009 14:46:48 -0000

Adam Vande More wrote:
> On Mon, Oct 19, 2009 at 9:35 AM, PJ <af.gourmet@videotron.ca
> <mailto:af.gourmet@videotron.ca>> wrote:
>
>     Adam Vande More wrote:
>     > On Mon, Oct 19, 2009 at 9:26 AM, PJ <af.gourmet@videotron.ca
>     <mailto:af.gourmet@videotron.ca>
>     > <mailto:af.gourmet@videotron.ca
>     <mailto:af.gourmet@videotron.ca>>> wrote:
>     >
>     >     Yes, this is true and that is why I thought that glabel would
>     >     work; I am
>     >     trying to set up my computers with identical clones that I
>     can update
>     >     with changes on the master machine from time to time and
>     thus prevent
>     >     data loss in case of problems. So I use ad12 as the main
>     system; if it
>     >     were to crash I would then boot from ad6 which is identical.
>     But the
>     >     /etc/fstab is identical in both machines. So if I boot from
>     ad6, I
>     >     will
>     >     get booted from ad12 ... so that doesn't work. It looks like we
>     >     need an
>     >     unique identifier for each disk.
>     >
>     >
>     > Why not use gmirror?
>     >
>     >
>     > --
>     > Adam Vande More
>     because I am not using RAID. :-(
>
>
> gmirror + ggated = disk or slice replicated to remote system
>
> -- 
> Adam Vande More
You ae trying to give me a migraine. :-)
But what happens if the disks are not identical in size? Dump/restore
allows for that; dump/restore will copy only the used date and not the
entire partition or slice.