From owner-freebsd-current@FreeBSD.ORG Wed Feb 4 01:33:25 2009 Return-Path: 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 C3E85106566C; Wed, 4 Feb 2009 01:33:25 +0000 (UTC) (envelope-from sobomax@FreeBSD.org) Received: from sippysoft.com (gk1.360sip.com [72.236.70.240]) by mx1.freebsd.org (Postfix) with ESMTP id 8A17B8FC0C; Wed, 4 Feb 2009 01:33:25 +0000 (UTC) (envelope-from sobomax@FreeBSD.org) Received: from [192.168.1.38] (S0106001372fd1e07.vs.shawcable.net [70.71.171.106]) (authenticated bits=0) by sippysoft.com (8.13.8/8.13.8) with ESMTP id n141XNFJ044909 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 3 Feb 2009 17:33:24 -0800 (PST) (envelope-from sobomax@FreeBSD.org) Message-ID: <4988F053.3060709@FreeBSD.org> Date: Tue, 03 Feb 2009 17:33:07 -0800 From: Maxim Sobolev Organization: Sippy Software, Inc. User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: Ivan Voras References: <20090203082153.565746e2@zelda.local> <4988C908.1030002@FreeBSD.org> <9bbcef730902031536h5ec406b3h5e375cfdf9f4abc7@mail.gmail.com> In-Reply-To: <9bbcef730902031536h5ec406b3h5e375cfdf9f4abc7@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Cc: freebsd-current@FreeBSD.org Subject: Re: GEOM_PART: a quick update on logical partitions X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Feb 2009 01:33:26 -0000 Ivan Voras wrote: > 2009/2/3 Maxim Sobolev : >> Ivan Voras wrote: >>> Marius Nünnerich wrote: >>> >>>> I'm not happy with the symlinks either. When someone is manipulating a >>>> partition table she should be able to live with the consequences. I >>>> would rather go for the UUID in UFS header approach if there is enough >>>> room. BTW I implemented GPT UUID glabels a while ago please see: >>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=128398 >>> I have a patch for UFS "GUID" labels (not exactly GUIDs, but every UFS >>> file system has a reasonably unique ID associated with it) but have >>> encountered what seems a bug in GEOM slicers - two dev entries pointing >>> to the same device don't work well with orphaning/tasting. Have you >>> encountered something similar perhaps? >> Why exactly do we need UFS "GUID" labels, when we already have GEOM_LABEL, >> which works just fine with UFS. > > So people don't need to make up dummy labels for dozens of file systems :) > > Also, "UFS GUIDs" are always present, even in root file systems > created by sysinstall by default. It's a good idea. sysinstall can auto-generate labels and use them to generate fstab, right now it leaves UFS label empty anyway. This should cover 99.99% of all cases. I just worried that instead of one labeling scheme we would end up with 10, neither of which is really well supported. -Maxim