From owner-freebsd-questions@FreeBSD.ORG Tue Mar 11 20:13:04 2014 Return-Path: <owner-freebsd-questions@FreeBSD.ORG> Delivered-To: freebsd-questions@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 AB841244; Tue, 11 Mar 2014 20:13:04 +0000 (UTC) Received: from mx1.fisglobal.com (mx1.fisglobal.com [199.200.24.190]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E53D8A3B; Tue, 11 Mar 2014 20:13:03 +0000 (UTC) Received: from smarthost.fisglobal.com ([10.132.206.192]) by ltcfislmsgpa07.fnfis.com (8.14.5/8.14.5) with ESMTP id s2BKD25M027987 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Tue, 11 Mar 2014 15:13:02 -0500 Received: from THEMADHATTER (10.242.181.54) by smarthost.fisglobal.com (10.132.206.192) with Microsoft SMTP Server id 14.3.174.1; Tue, 11 Mar 2014 15:13:00 -0500 From: <dteske@FreeBSD.org> Sender: Devin Teske <devin.teske@fisglobal.com> To: <kpneal@pobox.com>, <dteske@FreeBSD.org> References: <5319913D.4040207@infracaninophile.co.uk> <10334f5b74b05d9445d071bd08f73a24@dweimer.net> <531A0A0B.3010902@holgerdanske.com> <eca03739afb425884241ed23c4202a7b@dweimer.net> <531D51EF.1080804@holgerdanske.com> <531D6737.4020708@infracaninophile.co.uk> <531E0287.6060907@holgerdanske.com> <1cb801cf3c9a$2c7e7970$857b6c50$@FreeBSD.org> <531E6B85.6030903@holgerdanske.com> <1ce701cf3cda$32610570$97231050$@FreeBSD.org> <20140311191703.GA13914@neutralgood.org> In-Reply-To: <20140311191703.GA13914@neutralgood.org> Subject: RE: FreeBSD 10 installer and ZFS root Date: Tue, 11 Mar 2014 13:12:50 -0700 Message-ID: <1d0f01cf3d66$4877c100$d9674300$@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 15.0 Thread-Index: AQKo1RoE41EIC0o2WBK+x6KiBQDPygFKRACQAXkSMtkCww5AhAFaapz9AlFkkIYBLnJgzwG1gS8yAbj8dSMCkq2+BAFDEdc5mJv7EyA= Content-Language: en-us X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.87, 1.0.14, 0.0.0000 definitions=2014-03-11_06:2014-03-11,2014-03-11,1970-01-01 signatures=0 Cc: 'David Christensen' <dpchrist@holgerdanske.com>, freebsd-questions@FreeBSD.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/> List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 11 Mar 2014 20:13:04 -0000 > -----Original Message----- > From: kpneal@pobox.com [mailto:kpneal@pobox.com] > Sent: Tuesday, March 11, 2014 12:17 PM > To: dteske@FreeBSD.org > Cc: 'David Christensen'; freebsd-questions@FreeBSD.org > Subject: Re: FreeBSD 10 installer and ZFS root > > On Mon, Mar 10, 2014 at 08:30:04PM -0700, dteske@FreeBSD.org wrote: > > This is not to do with adding "a second disk ... as a mirror", however > > if you did add a disk after the fact, you should take care to consider > > the following: > > > > 1. The disk added should be sliced in the same way so you can add the > > new disk's first partition as a new block device to the mirror vdev > > named bootpool. > > > > 2. If your zroot is a raidz* vdev, take care not to add a > > non-redundant vdev to the pool (e.g., add a raidz1 vdev to an existing > > pool; not a single block device with no parity or backup). > > To reiterate for importance: > > Do NOT accidentally use 'zpool add'. > > The command to add a new disk to an existing mirror (which increases > redundancy), or to add redundancy to a single disk, is 'zpool attach'. > > That's ======> 'zpool attach' <======= for mirroring. > > If you use the wrong command you are SOL. Words to live and die by. -- Devin _____________ The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immediately. In addition, please be aware that any message addressed to our domain is subject to archiving and review by persons other than the intended recipient. Thank you.