From owner-freebsd-stable@FreeBSD.ORG Tue Jan 6 15:56:33 2015 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 456E515C for ; Tue, 6 Jan 2015 15:56:33 +0000 (UTC) Received: from maul.immure.com (104-49-19-137.lightspeed.austtx.sbcglobal.net [104.49.19.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A707427FF for ; Tue, 6 Jan 2015 15:56:31 +0000 (UTC) Received: from rancor.immure.com ([10.1.132.9]) by maul.immure.com with esmtp (Exim 4.84 (FreeBSD)) (envelope-from ) id 1Y8WUb-000DY6-2f; Tue, 06 Jan 2015 09:56:26 -0600 Received: from rancor.immure.com (localhost [127.0.0.1]) by rancor.immure.com (8.14.9/8.14.9) with ESMTP id t06FuOmu061886; Tue, 6 Jan 2015 09:56:24 -0600 (CST) (envelope-from bob@rancor.immure.com) Received: (from bob@localhost) by rancor.immure.com (8.14.9/8.14.9/Submit) id t06FuOL6061885; Tue, 6 Jan 2015 09:56:24 -0600 (CST) (envelope-from bob) Date: Tue, 6 Jan 2015 09:56:24 -0600 From: Bob Willcox To: Kevin Oberman Subject: Re: I need some swap partion help on new 10.1 install Message-ID: <20150106155623.GA61837@rancor.immure.com> Reply-To: Bob Willcox References: <6b9041859ceb265eedaf6f56f9178a7b@ultimatedns.net> <20150102163539.1eaadbc7@nunki.holyordnance.org> <20150103172527.GI867@rancor.immure.com> <745af5f28074a940e743f6094be15991@ultimatedns.net> <54A88D7B.8010901@protected-networks.net> <20150105225028.GC57206@rancor.immure.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Cc: Warren Block , FreeBSD-STABLE Mailing List , Chris H X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Jan 2015 15:56:33 -0000 On Mon, Jan 05, 2015 at 08:11:27PM -0800, Kevin Oberman wrote: > On Mon, Jan 5, 2015 at 7:04 PM, Warren Block wrote: > > > On Mon, 5 Jan 2015, Bob Willcox wrote: > > > > On Sun, Jan 04, 2015 at 06:37:18PM -0700, Warren Block wrote: > >> > >>> On Sat, 3 Jan 2015, Michael Butler wrote: > >>> > >>> On 01/03/15 19:35, Kevin Oberman wrote: > >>>> > >>>> [ .. snip .. ] > >>>> > >>>> As per an earlier suggestion, did you put: > >>>>> kern.geom.label.gpt.enable=0 > >>>>> into /boot/loader.conf? If so, that's why you lack a /dev/gpt label. > >>>>> This > >>>>> is usually a "friendlier" string than the diskid, but both work equally > >>>>> well. > >>>>> > >>>> > >>>> bsdinstall does that on its own - you have to manually > >>>> remove/comment/set to "1" after installation :-( > >>>> > >>> > >>> gpt, or gptid? The first would be a terrible regression, the second, > >>> not so much. > >>> > >> > >> The more I read of this thread the more confused I get. What should I > >> have in > >> /boot/loader.conf to get the old behavior with more traditional device > >> names? > >> > >> Also, if bsdinstall doesn't do this for me automatically, why did it put > >> /dev/ada0p2 in the fstab for swap? > >> > > > > The best way is to use GPT labels, which are stored in the GPT header. > > They are portable, so keep working if the drive device name changes (ada0 > > to da1, say). > > > > GPT labels can be set with gpart modify. The labels appear in /dev/gpt/. > > As mentioned before, they might not appear if a partition is mounted due to > > GEOM "withering". > > > > GPT labels are enabled by default. If bsdinstall is disabling them, it is > > a regression. > > > > GPT IDs, on the other hand, are a unique generated ID code that can appear > > at the same time. Many of us find them not very useful and disable them in > > loader.conf. > > > > I have only upgraded systems to 10.1, so don't know what bsdinstall does > > on a new install. > > > > Just checked head and bsdinstall does not disable GPT labels. It does > disable gptid labels (which IMHO is a good thing). So, what should I put in /boot/loader.conf? Can I enable both GPT and GPT IDs with this: kern.geom.label.gpt.enable="1" kern.geom.label.gptid.enable="1" And if I do, should I expect any problems with doing that? Bob > -- > R. Kevin Oberman, Network Engineer, Retired > E-mail: rkoberman@gmail.com -- Bob Willcox | Men who cherish for women the highest bob@immure.com | respect are seldom popular with them. Austin, TX | -- Joseph Addison