From owner-freebsd-fs@FreeBSD.ORG Thu Aug 11 17:34:26 2011 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 062FC106564A for ; Thu, 11 Aug 2011 17:34:26 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 533288FC0A for ; Thu, 11 Aug 2011 17:34:24 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id UAA18921; Thu, 11 Aug 2011 20:34:21 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1QrZ9A-000KYj-RA; Thu, 11 Aug 2011 20:34:20 +0300 Message-ID: <4E441299.9010505@FreeBSD.org> Date: Thu, 11 Aug 2011 20:34:17 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:5.0) Gecko/20110706 Thunderbird/5.0 MIME-Version: 1.0 To: Freddie Cash References: <20110811160314.GA25076@cons.org> <4E44038F.7000001@FreeBSD.org> In-Reply-To: X-Enigmail-Version: 1.2pre Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org, Martin Cracauer Subject: Re: ZFS zpool mirror drive replacement confusion X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Aug 2011 17:34:26 -0000 on 11/08/2011 19:36 Freddie Cash said the following: > There's a very big safety net included already: zpool will error out > complaining about mis-matched vdevs if you try to "zpool add" a single disk to a > pool with a mirror vdev. In fact, the user has to add "-f" (force) to the > "zpool add" command in order for this to even happen. IOW, this is user error, > not "lack of safety nets". :) > Good! Didn't know about this, thanks. -- Andriy Gapon