From owner-freebsd-questions@freebsd.org Mon Apr 11 08:19:09 2016 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 1E3B3B07807 for ; Mon, 11 Apr 2016 08:19:09 +0000 (UTC) (envelope-from jmc-freebsd2@milibyte.co.uk) Received: from avasout08.plus.net (avasout08.plus.net [212.159.14.20]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "Bizanga Labs SMTP Client Certificate", Issuer "Bizanga Labs CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 8A7E01482 for ; Mon, 11 Apr 2016 08:19:07 +0000 (UTC) (envelope-from jmc-freebsd2@milibyte.co.uk) Received: from curlew.milibyte.co.uk ([80.229.31.82]) by avasout08 with smtp id gwFu1s0051mJoLY01wFv6q; Mon, 11 Apr 2016 09:15:55 +0100 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.1 cv=O6PEx0JW c=1 sm=1 tr=0 a=cd0K7rcWwnZFf6xQxRobyA==:117 a=cd0K7rcWwnZFf6xQxRobyA==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=kj9zAlcOel0A:10 a=kziv93cY1bsA:10 a=6I5d2MoRAAAA:8 a=RQ4uWzSETLe-i0YtNlUA:9 a=CjuIK1q_8ugA:10 Received: from curlew.lan ([192.168.1.13]) by curlew.milibyte.co.uk with esmtp (Exim 4.86_2) (envelope-from ) id 1apX0j-0000mW-SA; Mon, 11 Apr 2016 09:15:54 +0100 Date: Mon, 11 Apr 2016 09:15:53 +0100 From: Mike Clarke To: freebsd-questions@freebsd.org Cc: Baho Utot Message-ID: <20160411091553.329a0231@curlew.lan> In-Reply-To: <570B4FF8.4030906@FreeBSD.org> References: <5709129B.8070508@columbus.rr.com> <570B4FF8.4030906@FreeBSD.org> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.29; amd64-portbld-freebsd10.1) MIME-Version: 1.0 X-SA-Exim-Connect-IP: 192.168.1.13 X-SA-Exim-Mail-From: jmc-freebsd2@milibyte.co.uk X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on curlew.lan X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.1 Subject: Re: Desktop reconfig Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SA-Exim-Version: 4.2 X-SA-Exim-Scanned: Yes (on curlew.milibyte.co.uk) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Apr 2016 08:19:09 -0000 On Mon, 11 Apr 2016 08:19:20 +0100 Matthew Seaman wrote: > Yes, this should work fine, but you'll need to be careful that you don't > accidentally overwrite the wrong drive from the installer. Depending on > the details of your hardware it's entirely possible that the new drives > you add for ZFS could end up as ada0, ada1, ... with your previous > drives as ada4 and ada5. Taking out the original ada1 while doing the > initial install would be a simple way of avoiding that. ZFS should > continue to work just fine as you shuffle the disks around. But. before making the change, it would be advisable to change over to using disk labels rather than /dev/ada* in /etc/fstab for the UFS filesystems. This would avoid any problems if the drives come back up with different device names. -- Mike Clarke