From owner-freebsd-questions@FreeBSD.ORG Sun Mar 6 22:26:08 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1A93616A4CE for ; Sun, 6 Mar 2005 22:26:08 +0000 (GMT) Received: from skipjack.no-such-agency.net (skipjack.no-such-agency.net [64.142.114.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id A0A3D43D2F for ; Sun, 6 Mar 2005 22:26:07 +0000 (GMT) (envelope-from jpp@cloudview.com) Received: from skipjack.no-such-agency.net (localhost [127.0.0.1]) by skipjack.no-such-agency.net (Postfix) with ESMTP id 6F41F34D44E; Sun, 6 Mar 2005 14:26:07 -0800 (PST) Received: from [192.168.2.120] (blackhole.no-such-agency.net [64.142.103.196]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by skipjack.no-such-agency.net (Postfix) with ESMTP id 3A36134D44D; Sun, 6 Mar 2005 14:26:07 -0800 (PST) Message-ID: <422B837E.9070900@cloudview.com> Date: Sun, 06 Mar 2005 14:26:06 -0800 From: John Pettitt Organization: CloudView Photographic User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ean Kingston References: In-Reply-To: X-Enigmail-Version: 0.90.1.1 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-AV-Checked: by skipjack cc: freebsd-questions Subject: Re: gmirror / gstripe X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Mar 2005 22:26:08 -0000 Ean Kingston wrote: > > On Sunday, March 6, 2005, at 04:55 PM, John Pettitt wrote: > >> >> I'm considering making a raid0+1 array out of 4 x 250GB USB drives using >> gmirror and gstripe on a FreeBSD 5.3 box. >> >> Questions: >> >> 1) Has anybody done this? What should I watch our for? > > > I haven't done this on FreeBSD or with USB drives (but have on Solaris > with SCSI). Make sure all your USB drives always show up as the same > device (in /dev) or you may wind up corrupting your system. > geom labels take care of this - I already have three usb drives on this box and they change device names if I re-plug them and gstripe copes just fine. John