From owner-freebsd-current@FreeBSD.ORG  Sun Oct  9 07:37:23 2011
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A13BE106564A;
	Sun,  9 Oct 2011 07:37:23 +0000 (UTC)
	(envelope-from phk@phk.freebsd.dk)
Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222])
	by mx1.freebsd.org (Postfix) with ESMTP id 5C6318FC15;
	Sun,  9 Oct 2011 07:37:23 +0000 (UTC)
Received: from critter.freebsd.dk (critter.freebsd.dk [192.168.61.3])
	by phk.freebsd.dk (Postfix) with ESMTP id 38A745DC4;
	Sun,  9 Oct 2011 07:37:22 +0000 (UTC)
Received: from critter.freebsd.dk (localhost [127.0.0.1])
	by critter.freebsd.dk (8.14.5/8.14.5) with ESMTP id p997bLQZ032969;
	Sun, 9 Oct 2011 07:37:21 GMT (envelope-from phk@phk.freebsd.dk)
To: lev@FreeBSD.org
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 08 Oct 2011 14:31:28 +0400."
	<1644928028.20111008143128@serebryakov.spb.ru>
Content-Type: text/plain; charset=ISO-8859-1
Date: Sun, 09 Oct 2011 07:37:21 +0000
Message-ID: <32968.1318145841@critter.freebsd.dk>
Cc: Warren Block <wblock@wonkity.com>, Garrett Cooper <yanegomi@gmail.com>,
	Glen Barber <gjb@FreeBSD.org>, "Andrey V. Elsukov" <bu7cher@yandex.ru>,
	Benjamin Kaduk <kaduk@mit.edu>,
	Arnaud Lacombe <lacombar@gmail.com>, freebsd-current@FreeBSD.org
Subject: Re: aliasing (or renaming) kern.geom.debugflags
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 09 Oct 2011 07:37:23 -0000

In message <1644928028.20111008143128@serebryakov.spb.ru>, Lev Serebryakov writ
es:
>Hello, Poul-Henning.
>You wrote 8 =EE=EA=F2=FF=E1=F0=FF 2011 =E3., 14:07:29:
>
>>>  It seems, that GPT will be incompatible with any pure-software
>>> mirror or mirror-like RAID.
>> Unless you do what other implementations have done:  Play nice with
>> GPT and store your metadata in a GPT partition.

>  So, every other GEOM class should have special knowledge about GPT?
>It doesn't look like "topology-agnostic" GEOM way :)

That's mostly because GPT by design does not try to play nice.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.