From owner-freebsd-fs@FreeBSD.ORG Sat May 15 23:58:07 2010 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 1E86B1065674 for ; Sat, 15 May 2010 23:58:07 +0000 (UTC) (envelope-from SamanKaya@netscape.net) Received: from imr-da06.mx.aol.com (imr-da06.mx.aol.com [205.188.169.203]) by mx1.freebsd.org (Postfix) with ESMTP id D54088FC21 for ; Sat, 15 May 2010 23:58:06 +0000 (UTC) Received: from mtaout-ma01.r1000.mx.aol.com (mtaout-ma01.r1000.mx.aol.com [172.29.41.1]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id o4FNw1YH009781 for ; Sat, 15 May 2010 19:58:01 -0400 Received: from [172.16.0.66] (unknown [212.156.209.87]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mtaout-ma01.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id BEA74E0000B4 for ; Sat, 15 May 2010 19:58:00 -0400 (EDT) Message-ID: <4BEF3506.1000109@netscape.net> Date: Sun, 16 May 2010 02:57:58 +0300 From: Kaya Saman User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.8) Gecko/20100227 Lightning/1.0b1 Thunderbird/3.0.3 MIME-Version: 1.0 To: freebsd-fs@freebsd.org References: <4BEF2F9C.7080409@netscape.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:452495616:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d29014bef350805e0 X-AOL-IP: 212.156.209.87 Subject: Re: Quick ZFS mirroring question for non-mirrored pool 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: Sat, 15 May 2010 23:58:07 -0000 Many thanks for the response! :-) I'm quite sure that this is going to be more stable and less error-prone then any other file system.... Although currently I find the UFS v1 and v2 file systems the best outside of ZFS which is by default enabled on OpenSolaris. Yeah.... this should be cool! On 05/16/2010 02:44 AM, Bob Friesenhahn wrote: > On Sun, 16 May 2010, Kaya Saman wrote: >> >> if it's possible to add a mirror to a non-mirrored pool?? > > Yes. In a simple load-shared pool, individual disk vdevs on the pool > can easily be turned into mirror vdevs. Later you can convert back to > simplex if you like. This means that you can create the simple > load-shared pool and add redundancy later. I have done this before. > > Just make sure to read the documentation so that you add the mirror > disk correctly. > > Bob