From owner-freebsd-questions@FreeBSD.ORG  Thu Jan 31 03:05:58 2013
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 60BE0D68
 for <freebsd-questions@freebsd.org>; Thu, 31 Jan 2013 03:05:58 +0000 (UTC)
 (envelope-from freebsd@dreamchaser.org)
Received: from nightmare.dreamchaser.org (nightmare.dreamchaser.org
 [12.32.44.142]) by mx1.freebsd.org (Postfix) with ESMTP id 26A506D6
 for <freebsd-questions@freebsd.org>; Thu, 31 Jan 2013 03:05:57 +0000 (UTC)
Received: from breakaway.dreamchaser.org (breakaway.dreamchaser.org.
 [12.32.36.73])
 by nightmare.dreamchaser.org (8.13.6/8.13.6) with ESMTP id r0V35k0n009166;
 Wed, 30 Jan 2013 20:05:47 -0700 (MST)
 (envelope-from freebsd@dreamchaser.org)
Message-ID: <5109DF8B.3030109@dreamchaser.org>
Date: Wed, 30 Jan 2013 20:05:47 -0700
From: Gary Aitken <freebsd@dreamchaser.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:16.0) Gecko/20121116 Thunderbird/16.0.2
MIME-Version: 1.0
To: Warren Block <wblock@wonkity.com>
Subject: Re: 9.1 install wipes out gpart boot blocks?
References: <510990EF.9040101@dreamchaser.org>
 <alpine.BSF.2.00.1301301656400.42000@wonkity.com>
In-Reply-To: <alpine.BSF.2.00.1301301656400.42000@wonkity.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2
 (nightmare.dreamchaser.org [12.32.36.65]);
 Wed, 30 Jan 2013 20:05:47 -0700 (MST)
Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
Reply-To: freebsd@dreamchaser.org
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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, 31 Jan 2013 03:05:58 -0000

On 01/30/13 17:20, Warren Block wrote:
> On Wed, 30 Jan 2013, Gary Aitken wrote:

>>  clean up (delete) the original partitions
>>  gpart destroy ada3
> 
> These two steps can be replaced with
>   gpart destroy -F ada3

I prefer doing it piecemeal to see what's happening when along the way.

>>  gpart create -s GPT ada3
>>  gpart bootcode -b /boot/pmbr ada3
>>  gpart add -t freebsd-boot -i 1 -s 512K -l gptboot ada3
>>  gpart bootcode -p /boot/gptboot -i 1 ada3
> 
> I do the bootcode in one step:
>   gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada3

Again, I prefer incremental steps so it's more obvious what any diagnostics
are referring to, if they should appear.

>>  gpart add -t freebsd-ufs -a 4K -b 1M -s 4G -i 2 -l fbsdroot ada3  # /
>>  gpart add -t freebsd-swap -a 4K -s 2G -i 3 -l fbsdswap ada3     # swap
>>  gpart add -t freebsd-ufs -a 4K -s 2G -i 4 -l fbsdvar ada3         # /var
>>  gpart add -t freebsd-ufs -a 4K -s 2G -i 5 -l fbsdtmp ada3         # /tmp
>>  gpart add -t freebsd-ufs -a 4K -i 6 -l fbsdusr ada3               # /usr
> 
> It's not necessary to use partition numbers with "add", gpart will just use the next one available.

True, but if things get out of order for some reason, then you have a mess.

> Here are my notes:
> http://www.wonkity.com/~wblock/docs/html/disksetup.html

Thanks, already read that and bookmarked it quite a while ago.