From owner-freebsd-questions@freebsd.org  Mon Sep 28 18:15:43 2015
Return-Path: <owner-freebsd-questions@freebsd.org>
Delivered-To: freebsd-questions@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7A6D2A0B1AD
 for <freebsd-questions@mailman.ysv.freebsd.org>;
 Mon, 28 Sep 2015 18:15:43 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: from wonkity.com (wonkity.com [67.158.26.137])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "wonkity.com", Issuer "wonkity.com" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 3B9D41DD6
 for <freebsd-questions@freebsd.org>; Mon, 28 Sep 2015 18:15:42 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: from wonkity.com (localhost [127.0.0.1])
 by wonkity.com (8.15.2/8.15.2) with ESMTPS id t8SIFZcT098424
 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Mon, 28 Sep 2015 12:15:35 -0600 (MDT)
 (envelope-from wblock@wonkity.com)
Received: from localhost (wblock@localhost)
 by wonkity.com (8.15.2/8.15.2/Submit) with ESMTP id t8SIFZwJ098421;
 Mon, 28 Sep 2015 12:15:35 -0600 (MDT)
 (envelope-from wblock@wonkity.com)
Date: Mon, 28 Sep 2015 12:15:35 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: "William A. Mahaffey III" <wam@hiwaay.net>
cc: FreeBSD Questions !!!! <freebsd-questions@freebsd.org>
Subject: Re: dd question
In-Reply-To: <5608BDB4.6060200@hiwaay.net>
Message-ID: <alpine.BSF.2.20.1509281212410.97426@wonkity.com>
References: <5606A4FF.4090105@hiwaay.net>
 <CA+tpaK3UOEfKSfSjbdcH+R2jaU9=XVBEg++jn5VCbiiUkLF_Tg@mail.gmail.com>
 <56073915.6030707@hiwaay.net> <20150927131036.c6b2d9ce.freebsd@edvax.de>
 <alpine.BSF.2.20.1509270540450.40168@wonkity.com>
 <5607E84D.1050803@hiwaay.net>
 <20150927155354.7dab526a.freebsd@edvax.de> <5607F676.10307@hiwaay.net>
 <20150927160604.f1e1c21d.freebsd@edvax.de> <5607FA6E.5040600@hiwaay.net>
 <alpine.BSF.2.20.1509271857480.36906@wonkity.com>
 <5608BDB4.6060200@hiwaay.net>
User-Agent: Alpine 2.20 (BSF 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3
 (wonkity.com [127.0.0.1]); Mon, 28 Sep 2015 12:15:36 -0600 (MDT)
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <https://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: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 28 Sep 2015 18:15:43 -0000

On Sun, 27 Sep 2015, William A. Mahaffey III wrote:

> On 09/27/15 20:07, Warren Block wrote:
>> On Sun, 27 Sep 2015, William A. Mahaffey III wrote:
>> 
>>> If I use disklabel to add a 'd' slice, will that mess up what is already 
>>> there ? What is the syntax for that, I don't see it in the 
>>> disklabel/bsdlabel man page ? The man page for disklabel/bsdlabel shows a 
>>> way to initialize a whole disk using 'fdisk -BI <dev>' & implies that this 
>>> will create a 'da0s1' slice in the process. However it will also wipe out 
>>> what is already there. If I do that, can I then copy the img-file contents 
>>> in some way ? Thanks & TIA :-) ....
>> 
>> Please stop using fdisk and bsdlabel.  gpart(8) does everything they do and 
>> is easier to use.

> I (think I) am using them because of the way the install image is put 
> together, & I am trying to work around a perceived issue.

Again, gpart(8) does everything they do.  By that, I mean that gpart(8) 
can create bsdlabel partitions and MBR slices in addition to GPT and 
other partitioning schemes.

None of these programs will resize a filesystem already present on a 
partition.  growfs(8) does that for UFS.