From owner-freebsd-geom@FreeBSD.ORG Tue Feb 18 17:40:19 2014 Return-Path: Delivered-To: freebsd-geom@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9BFFA731; Tue, 18 Feb 2014 17:40:19 +0000 (UTC) Received: from wonkity.com (wonkity.com [67.158.26.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 44CD01FDE; Tue, 18 Feb 2014 17:40:19 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.8/8.14.8) with ESMTP id s1IHeG29048633 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 18 Feb 2014 10:40:17 -0700 (MST) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.8/8.14.8/Submit) with ESMTP id s1IHeFIm048630; Tue, 18 Feb 2014 10:40:16 -0700 (MST) (envelope-from wblock@wonkity.com) Date: Tue, 18 Feb 2014 10:40:15 -0700 (MST) From: Warren Block To: Marcel Moolenaar Subject: Re: Allowing arbitrary MBR slice alignment In-Reply-To: <868C9E58-8039-4782-BC74-5C820D1B4F5C@xcllnt.net> Message-ID: References: <29DD155A-790F-4D28-8FFF-FED5466BC336@xcllnt.net> <73BC4100-2F81-41AD-BED7-0A920AE69C76@xcllnt.net> <868C9E58-8039-4782-BC74-5C820D1B4F5C@xcllnt.net> 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-4.4.3 (wonkity.com [127.0.0.1]); Tue, 18 Feb 2014 10:40:17 -0700 (MST) Cc: "Andrey V. Elsukov" , Marcel Moolenaar , freebsd-geom@FreeBSD.org X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Feb 2014 17:40:19 -0000 On Mon, 17 Feb 2014, Marcel Moolenaar wrote: > In short: Don't revert the design and intent of gpart. Let it > be the common interface to all partitioning schemes. This means > that you want be be able to say "-a 4K" or "-b 2000" without > regard for the scheme and know that the scheme will round or > adjust accordingly. The gpart utility will lose its power if > that is being meddled with, because it's power comes from the > fact that you do not have to know the particulars of the scheme > in use, nor even the scheme being used in order to work with it. > This is key in having it be scriptable. > > You want a way to let gpart (and the kernel) know that you are > aware of the scheme and are going to do things that should not > be interpreted as coming from behind a "veil of ignorance" so > to speak. This is entirely too reasonable for me to argue. :) What needs to be done to proceed?