From owner-freebsd-fs@FreeBSD.ORG Sat Jun 7 14:58:18 2014 Return-Path: Delivered-To: freebsd-fs@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 6B559DE4 for ; Sat, 7 Jun 2014 14:58:18 +0000 (UTC) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id BDF92241F for ; Sat, 7 Jun 2014 14:58:17 +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 RAA11184; Sat, 07 Jun 2014 17:58:06 +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 1WtI4M-000Gmb-Gi; Sat, 07 Jun 2014 17:58:06 +0300 Message-ID: <53932846.20806@FreeBSD.org> Date: Sat, 07 Jun 2014 17:57:10 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Martin Simmons , freebsd-fs@FreeBSD.org Subject: Re: Is ZFS Multi-vdev root pool configuration discovery supported? References: <201406061624.s56GOOx7015821@higson.cam.lispworks.com> In-Reply-To: <201406061624.s56GOOx7015821@higson.cam.lispworks.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Jun 2014 14:58:18 -0000 on 06/06/2014 19:24 Martin Simmons said the following: > Hi, > > Does anyone know if FreeBSD 9.2 (or indeed head) supports "Root On ZFS" with a > multi-vdev pool (e.g. 4 disks configured as two mirrored pairs)? > > Looking at the source, sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c > contains the comment: > > /* > * Multi-vdev root pool configuration discovery is not supported yet. > */ > > but the code below it from r243502 suggests that this is no longer true. This is a stale comment, it must be removed. -- Andriy Gapon