Date: Tue, 11 Mar 2014 13:12:50 -0700 From: <dteske@FreeBSD.org> To: <kpneal@pobox.com>, <dteske@FreeBSD.org> Cc: 'David Christensen' <dpchrist@holgerdanske.com>, freebsd-questions@FreeBSD.org Subject: RE: FreeBSD 10 installer and ZFS root Message-ID: <1d0f01cf3d66$4877c100$d9674300$@FreeBSD.org> In-Reply-To: <20140311191703.GA13914@neutralgood.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>
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> -----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.
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