From owner-freebsd-questions Wed Dec 4 15:39:13 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 C6B9837B401 for ; Wed, 4 Dec 2002 15:39:11 -0800 (PST) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5244343E88 for ; Wed, 4 Dec 2002 15:39:10 -0800 (PST) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id C9DAD5191D; Thu, 5 Dec 2002 10:09:07 +1030 (CST) Date: Thu, 5 Dec 2002 10:09:07 +1030 From: Greg 'groggy' Lehey To: Adam Laurie Cc: questions@FreeBSD.org Subject: Re: vinum documentation Message-ID: <20021204233907.GA91963@wantadilla.lemis.com> References: <3DE244ED.8000903@algroup.co.uk> <20021125224557.GJ41068@wantadilla.lemis.com> <3DE353C7.5080704@algroup.co.uk> <20021126232050.GB21404@wantadilla.lemis.com> <3DE5EAA0.4030009@algroup.co.uk> <20021129020137.GC8307@wantadilla.lemis.com> <3DE74326.7080302@algroup.co.uk> <20021130005821.GD17834@wantadilla.lemis.com> <3DE87950.6000201@algroup.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DE87950.6000201@algroup.co.uk> 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 On Saturday, 30 November 2002 at 8:39:44 +0000, Adam Laurie wrote: > Greg 'groggy' Lehey wrote: > >>> >>> describe the procedure for unplugging the external chassis from >>> machine A, and plugging it into machine B, and bringing up the vinum >>> RAID without re-initialising it (i.e. preserving the data already on >>> it). >> >> >> 1. On machine A, stop Vinum. Depending on the hardware, you may need >> to shut down. >> 2. Remove the chassis from machine A. >> 3. Connect the chassis to machine B. Depending on the hardware, you >> may need to shut down. >> 4. If you haven't rebooted machine B, run camcontrol rescan on the >> SCSI bus to discover the new disks. >> 5. Run 'vinum start'. > > are you saying that at this point vinum will scan all disk busses and > decide for itself that the raid exists, and reconstruct /dev/vinum? Yes. > i know you've said in a previous post that /dev/vinum "isn't > important", but since it contains mount points etc, i assume it's > reasonably vital... anyway, our experience when we complete the > steps above was that /dev/vinum/raid1 etc. didn't exist, so we > couldn't mount the volume, which is why we went on to perform the > other steps i described. It looks like you got confused at some point. It's unlikely that you can still reconstruct what happened. 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