From owner-freebsd-questions@FreeBSD.ORG Thu Jan 31 00:20:35 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id D5D194E1 for ; Thu, 31 Jan 2013 00:20:35 +0000 (UTC) (envelope-from wblock@wonkity.com) Received: from wonkity.com (wonkity.com [67.158.26.137]) by mx1.freebsd.org (Postfix) with ESMTP id 7BEC3EB4 for ; Thu, 31 Jan 2013 00:20:35 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.6/8.14.6) with ESMTP id r0V0KWfD042884; Wed, 30 Jan 2013 17:20:32 -0700 (MST) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.6/8.14.6/Submit) with ESMTP id r0V0KWVU042881; Wed, 30 Jan 2013 17:20:32 -0700 (MST) (envelope-from wblock@wonkity.com) Date: Wed, 30 Jan 2013 17:20:32 -0700 (MST) From: Warren Block To: Gary Aitken Subject: Re: 9.1 install wipes out gpart boot blocks? In-Reply-To: <510990EF.9040101@dreamchaser.org> Message-ID: References: <510990EF.9040101@dreamchaser.org> 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 IP whitelisted, not delayed by milter-greylist-4.2.7 (wonkity.com [127.0.0.1]); Wed, 30 Jan 2013 17:20:33 -0700 (MST) Cc: FreeBSD Mailing List X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Jan 2013 00:20:35 -0000 On Wed, 30 Jan 2013, Gary Aitken wrote: > I used gpart to set up a new disk, > then went through a 9.1 install. > Everything seemed to go fine, but when time came to boot the new drive, > it wouldn't boot. What did it say? > When doing the 9.1 install, > I selected the disk and had to assign the partitions to the various filesystems. > AFIK, I did not otherwise modify the filesystems. > > Does the 9.1 install process trash the boot areas? > > My gpart setup was: > > clean up (delete) the original partitions > gpart destroy ada3 These two steps can be replaced with gpart destroy -F ada3 > 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 > 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. Here are my notes: http://www.wonkity.com/~wblock/docs/html/disksetup.html