From owner-freebsd-questions@FreeBSD.ORG  Thu Jun 29 14:46:27 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 8834D16A407
	for <freebsd-questions@freebsd.org>;
	Thu, 29 Jun 2006 14:46:27 +0000 (UTC) (envelope-from cswiger@mac.com)
Received: from pi.codefab.com (pi.codefab.com [199.103.21.227])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CDAB943FAC
	for <freebsd-questions@freebsd.org>;
	Thu, 29 Jun 2006 14:45:28 +0000 (GMT) (envelope-from cswiger@mac.com)
Received: from localhost (localhost [127.0.0.1])
	by pi.codefab.com (Postfix) with ESMTP id 5AB9C60E8;
	Thu, 29 Jun 2006 10:45:08 -0400 (EDT)
X-Virus-Scanned: amavisd-new at codefab.com
Received: from pi.codefab.com ([127.0.0.1])
	by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id jg8IWbUJj7la; Thu, 29 Jun 2006 10:45:07 -0400 (EDT)
Received: from [192.168.1.251] (pool-68-160-201-170.ny325.east.verizon.net
	[68.160.201.170])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by pi.codefab.com (Postfix) with ESMTP id C0A8E5C30;
	Thu, 29 Jun 2006 10:45:06 -0400 (EDT)
Message-ID: <44A3E767.4030901@mac.com>
Date: Thu, 29 Jun 2006 10:44:55 -0400
From: Chuck Swiger <cswiger@mac.com>
User-Agent: Thunderbird 1.5.0.4 (Windows/20060516)
MIME-Version: 1.0
To: Jerry McAllister <jerrymc@clunix.cl.msu.edu>
References: <200606291359.k5TDxYQK021318@clunix.cl.msu.edu>
In-Reply-To: <200606291359.k5TDxYQK021318@clunix.cl.msu.edu>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: "Sean M." <sigma_zk@yahoo.com>, freebsd-questions@freebsd.org
Subject: Re: HDD Geometry Issues
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, 29 Jun 2006 14:46:27 -0000

Jerry McAllister wrote:
[ ... ]
>> If I use the entire disk with 'A', I see:
>>
>>   Offset  Size(ST)       End   Name  PType     Desc  Subtype
>>        0        63        62   ---      12   unused     0
>>       63  78156162  78156224  ad0s1      8  freebsd    165
>> 78156225      9135  78165359   ---      12   unused     0
> 
> Somebody who really knows about this stuff needs to write some
> verbiage for the handbook.

:-)  A guy called Dan Strick did, once, and I even translated it to SGML:

http://www.pkix.net/~chuck/doc/disk-geometry/article.html

-- 
-Chuck