From owner-freebsd-fs@FreeBSD.ORG Mon Dec 10 23:21:56 2007 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 B54A116A418 for ; Mon, 10 Dec 2007 23:21:56 +0000 (UTC) (envelope-from das@FreeBSD.ORG) Received: from VARK.MIT.EDU (VARK.MIT.EDU [18.95.3.179]) by mx1.freebsd.org (Postfix) with ESMTP id 7382413C458 for ; Mon, 10 Dec 2007 23:21:56 +0000 (UTC) (envelope-from das@FreeBSD.ORG) Received: from VARK.MIT.EDU (localhost [127.0.0.1]) by VARK.MIT.EDU (8.14.2/8.14.1) with ESMTP id lBANLP5n017138; Mon, 10 Dec 2007 18:21:25 -0500 (EST) (envelope-from das@FreeBSD.ORG) Received: (from das@localhost) by VARK.MIT.EDU (8.14.2/8.14.1/Submit) id lBANLPYp017137; Mon, 10 Dec 2007 18:21:25 -0500 (EST) (envelope-from das@FreeBSD.ORG) Date: Mon, 10 Dec 2007 18:21:25 -0500 From: David Schultz To: Ollivier Robert Message-ID: <20071210232125.GA17108@VARK.MIT.EDU> Mail-Followup-To: Ollivier Robert , freebsd-fs@FreeBSD.ORG References: <20071210201734.GA16012@VARK.MIT.EDU> <475DAF79.9080900@nokia.com> <20071210214936.GA16598@VARK.MIT.EDU> <20071210223114.GA31136@keltia.freenix.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071210223114.GA31136@keltia.freenix.fr> Cc: freebsd-fs@FreeBSD.ORG Subject: Re: RAID 1 via ataraid(4) 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: Mon, 10 Dec 2007 23:21:56 -0000 On Mon, Dec 10, 2007, Ollivier Robert wrote: > According to David Schultz: > > Good point, thanks. I'd forgotten that gmirror stores its metadata > > at the end of the drive instead of at the beginning as ccd does. > > Nevertheless, I'd be interested in what people's experiences have > > been with ataraid(4), particularly since it's more flexible in > > terms of putting multiple operating systems on different > > partitions of the same mirror. > > You know you can use gmirror on either whole drives or on specific slices, > right? Right, but that doesn't magically cause the other partitions to be mirrored, and it requires manual relabelling when a drive is replaced.