From owner-freebsd-questions@freebsd.org Tue Jul 18 21:23:35 2017 Return-Path: Delivered-To: freebsd-questions@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 93459DA0A06 for ; Tue, 18 Jul 2017 21:23:35 +0000 (UTC) (envelope-from frank2@fjl.co.uk) Received: from bs1.fjl.org.uk (bs1.fjl.org.uk [84.45.41.196]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bs1.fjl.org.uk", Issuer "bs1.fjl.org.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4437E924 for ; Tue, 18 Jul 2017 21:23:34 +0000 (UTC) (envelope-from frank2@fjl.co.uk) Received: from [192.168.1.35] (host86-191-18-76.range86-191.btcentralplus.com [86.191.18.76]) (authenticated bits=0) by bs1.fjl.org.uk (8.14.4/8.14.4) with ESMTP id v6ILNXaw088508 for ; Tue, 18 Jul 2017 22:23:33 +0100 (BST) (envelope-from frank2@fjl.co.uk) Subject: Re: Drive labelling with ZFS To: freebsd-questions@freebsd.org References: <03643051-38e8-87ef-64ee-5284e2567cb8@fjl.co.uk> <7fa67076-3ec8-4c25-67b9-a1b8a0aa5afc@holgerdanske.com> <5940EE63.2080904@fjl.co.uk> <771917ae-7e07-95d0-5cee-4bda8578a646@holgerdanske.com> From: Frank Leonhardt Message-ID: Date: Tue, 18 Jul 2017 22:23:32 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <771917ae-7e07-95d0-5cee-4bda8578a646@holgerdanske.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jul 2017 21:23:35 -0000 On 08/07/2017 03:21, David Christensen wrote: >> >> The most useful thing I can think of is to label the caddies with the >> GUID (first or last 2-3 digits). If you have only one shelf you should >> be able to find the one you want quick enough. > > As I understand it, ZFS goes by the UUID/GUID. So, using UUID"s for > software and applying matching physical labels to each drive/caddy > makes sense. That's exactly what it does best. This would be the only label for the outside that's guaranteed to match the inside. The only PITA is that it gets the GUID once it's installed, so you have to put the blank drive in, gpart it, print the label and go and find the drive again. Meaning there's at least one unlabelled drive on the shelf in the mean time. If there were two....