From owner-freebsd-hackers@freebsd.org Wed Jul 12 18:00:43 2017 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0E45CD9F4E5 for ; Wed, 12 Jul 2017 18:00:43 +0000 (UTC) (envelope-from mwlucas@mail.michaelwlucas.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id EA03A70D5B for ; Wed, 12 Jul 2017 18:00:42 +0000 (UTC) (envelope-from mwlucas@mail.michaelwlucas.com) Received: by mailman.ysv.freebsd.org (Postfix) id E9039D9F4E4; Wed, 12 Jul 2017 18:00:42 +0000 (UTC) Delivered-To: hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E8A8ED9F4E1 for ; Wed, 12 Jul 2017 18:00:42 +0000 (UTC) (envelope-from mwlucas@mail.michaelwlucas.com) Received: from mail.michaelwlucas.com (mail.michaelwlucas.com [104.236.197.233]) (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 AF25470D59 for ; Wed, 12 Jul 2017 18:00:42 +0000 (UTC) (envelope-from mwlucas@mail.michaelwlucas.com) Received: from mail.michaelwlucas.com (localhost [127.0.0.1]) by mail.michaelwlucas.com (8.15.2/8.15.2) with ESMTP id v6CI0XOV062075 for ; Wed, 12 Jul 2017 14:00:34 -0400 (EDT) (envelope-from mwlucas@mail.michaelwlucas.com) Received: (from mwlucas@localhost) by mail.michaelwlucas.com (8.15.2/8.15.2/Submit) id v6CI0XZk062074 for hackers@freebsd.org; Wed, 12 Jul 2017 14:00:33 -0400 (EDT) (envelope-from mwlucas) Date: Wed, 12 Jul 2017 14:00:33 -0400 From: "Michael W. Lucas" To: hackers@freebsd.org Subject: gjournal(8) vs /dev/gpt Message-ID: <20170712180033.GA62032@mail.michaelwlucas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.8.0 (2017-02-23) X-Spam-Status: No, score=0.0 required=5.0 tests=UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on mail.michaelwlucas.com X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mail.michaelwlucas.com [127.0.0.1]); Wed, 12 Jul 2017 14:00:34 -0400 (EDT) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jul 2017 18:00:43 -0000 Hi, Running FreeBSD storm 12.0-CURRENT FreeBSD 12.0-CURRENT #4 r320894: Tue Jul 11 14:24:19 EDT 2017 root@storm:/usr/obj/usr/src/sys/GENERIC amd64 Setting up a gjournal partition. I run # gjournal label -f /dev/gpt/var According to the docs, I expect to get /dev/gpt/var.journal. Instead, /dev/gpt/var vanishes. I do find the missing device, though... attached to a /dev/diskid node. # gjournal list Geom name: gjournal 2129627395 ID: 2129627395 Providers: 1. Name: diskid/DISK-WD-WCAW36477062p5.journal Mediasize: 52613348864 (49G) Sectorsize: 512 Mode: r0w0e0 Consumers: 1. Name: diskid/DISK-WD-WCAW36477062p5 Mediasize: 53687091200 (50G) Sectorsize: 512 Stripesize: 0 Stripeoffset: 2148532224 Mode: r1w1e1 Jend: 53687090688 Jstart: 52613348864 Role: Data,Journal I would *expect* the device to appear as part of the device node I created. There's no warning in the man page that it'll get moved over to /dev/diskid. If I disable diskid and gptid, the journal appears on da3p5.journal. Should I be able to gjournal GPT devices? Is this a software bug or doc bug? Or am I reading the wrong doc? Thanks, ==ml -- Michael W. Lucas Twitter @mwlauthor nonfiction: https://www.michaelwlucas.com/ fiction: https://www.michaelwarrenlucas.com/ blog: http://blather.michaelwlucas.com/