From owner-freebsd-questions Mon Oct 21 16:35:50 2002 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 2B3BD37B401 for ; Mon, 21 Oct 2002 16:35:49 -0700 (PDT) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by mx1.FreeBSD.org (Postfix) with ESMTP id 729D543E6E for ; Mon, 21 Oct 2002 16:35:06 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 56FF881437; Tue, 22 Oct 2002 09:03:37 +0930 (CST) Date: Tue, 22 Oct 2002 09:03:37 +0930 From: Greg 'groggy' Lehey To: Drew Tomlinson Cc: questions@freebsd.org, Kirk Strauser , Joan Picanyol , Jerry McAllister , Siegfried P Pietralla Subject: Re: Vinum - A Way to Create Without Losing Data? Message-ID: <20021021233337.GD92883@wantadilla.lemis.com> References: <009801c2789c$2f9ee910$0301a8c0@bigdaddy> <003a01c27916$1efeed60$6e2a6ba5@TAGALONG> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <003a01c27916$1efeed60$6e2a6ba5@TAGALONG> User-Agent: Mutt/1.4i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG [Format recovered--see http://www.lemis.com/email/email-format.html] Mutilated quotations. On Monday, 21 October 2002 at 7:39:01 -0700, Drew Tomlinson wrote: > On Sunday, October 20, 2002 5:52 PM, Drew Tomlinson wrote: > >> From what I've read, it appears that if I create a concatenated >> volume using vinum or ccd, I will destroy whatever data I already >> have on the disks. Is this correct? Is there anyway to do it >> without destroying the data? I have one 80G archive drive and have >> filled it. I added another and would like to have both drives seen >> by the system as one 160G drive. > > Thanks for all of your responses. The (almost) full 80G archive > drive does not contain any system files (just mp3s, video clips, > etc.) and my additional 80G drive is new with no data. Thus, I've > concluded that creating a vinum volume on the empty disk, copying > the contents of the old to the new, and then adding the old disk to > the vinum volume is the best way to go. Yes, that would work. Under these circumstances you could also use the trick I mentioned and then use growfs. But your method is probably preferable. > This will be the first time I've ever attempted anything like this. > Are there any common "gotchas" I should be careful to avoid? I > *really* want to do this right the first time so I don't have to try > and restore from the hundred or so CDs that contain backups. I can't think of anything in particular. You should certainly make sure that your Vinum volume is in good shape before adding the second disk. > One of these days I'll get a tape drive... :) I sometimes wonder if that's worth the trouble. Cheap IDE disks are much faster and very much more reliable. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message