From owner-freebsd-questions@FreeBSD.ORG  Thu Jul 12 17:42:23 2012
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 A7414106564A
	for <freebsd-questions@freebsd.org>;
	Thu, 12 Jul 2012 17:42:23 +0000 (UTC)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99])
	by mx1.freebsd.org (Postfix) with ESMTP id E8C318FC16
	for <freebsd-questions@freebsd.org>;
	Thu, 12 Jul 2012 17:42:22 +0000 (UTC)
Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1])
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q6CHgIpZ002824;
	Thu, 12 Jul 2012 19:42:18 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from localhost (wojtek@localhost)
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id
	q6CHgH9F002821; Thu, 12 Jul 2012 19:42:18 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Date: Thu, 12 Jul 2012 19:42:17 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Warren Block <wblock@wonkity.com>
In-Reply-To: <alpine.BSF.2.00.1207121004560.47013@wonkity.com>
Message-ID: <alpine.BSF.2.00.1207121941370.2744@wojtek.tensor.gdynia.pl>
References: <CAGpP9XOvVor7HmxDP7SFhc7AFnpSf-s+gXbkJsguiAo=xNvnVA@mail.gmail.com>
	<CAPj0R5L1=HaY1Bf-51FB59J6Q4pX1s4yDbzXoAAWRwei6yqt-A@mail.gmail.com>
	<alpine.BSF.2.00.1207110702490.76348@wonkity.com>
	<alpine.BSF.2.00.1207121649080.2235@wojtek.tensor.gdynia.pl>
	<alpine.BSF.2.00.1207121004560.47013@wonkity.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7
	(wojtek.tensor.gdynia.pl [127.0.0.1]);
	Thu, 12 Jul 2012 19:42:18 +0200 (CEST)
Cc: Kaya Saman <kayasaman@gmail.com>, miles kuo <miles.kuo@gmail.com>,
	freebsd-questions@freebsd.org
Subject: Re: How to mirror the FreeBSD OS on two disks
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: Thu, 12 Jul 2012 17:42:23 -0000

>
> The current Handbook procedure avoids the copy by using the existing disk 
> as-is and just writing the gmirror metadata to the last block.
Exactly what i do doing instalations manually!


> If that last block is already part of an MBR partition, the more strict checking stops 
> booting in 9.0.

not making MBR partition would not make problems.