From owner-freebsd-questions@FreeBSD.ORG Wed Oct 15 02:25:20 2003 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 D8F9216A4B3; Wed, 15 Oct 2003 02:25:20 -0700 (PDT) Received: from rambo.401.cx (rambo.401.cx [80.65.205.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2FF3843FD7; Wed, 15 Oct 2003 02:25:09 -0700 (PDT) (envelope-from listsub@401.cx) Received: from 401.cx (132.dairy.twenty4help.se [80.65.195.132]) by rambo.401.cx (8.12.9/8.12.9) with ESMTP id h9F9P1Tm045131; Wed, 15 Oct 2003 11:25:06 +0200 (CEST) (envelope-from listsub@401.cx) Message-ID: <3F8D1268.2020305@401.cx> Date: Wed, 15 Oct 2003 11:24:56 +0200 From: "Roger 'Rocky' Vetterberg" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5b) Gecko/20030723 Thunderbird/0.1 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Greg 'groggy' Lehey" References: <3F89E312.6090502@syspres.com> <20031014012450.GQ57013@wantadilla.lemis.com> In-Reply-To: <20031014012450.GQ57013@wantadilla.lemis.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-questions@freebsd.org cc: rtjohan@syspres.com Subject: Re: Restoring vinum root from dump 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: Wed, 15 Oct 2003 09:25:21 -0000 Greg 'groggy' Lehey wrote: > There's nothing special that you *need* to do for restoring to a Vinum > volume. There are, however, things that are important when restoring > system components. In particular, if you restore /usr/lib you'll > replace the C library /usr/lib/libc.so. It's then possible to crash > dynamically linked processes (since they no longer have libraries), > after which you could be left with a mainly unusable system. > > Vinum offers a solution to this problem, as you've noted: detach a > plex from each volume and restore to it. Then do some magic in single > user mode to remove the other plex and attach the one you've just > restored to. I'm not quite sure about the best way of doing this. > I'll think about it, but if anybody else has suggestions for doing > this with the least chance of shooting yourself in the foot, I'd be > interested to hear them. > > Greg I have tried different approaches a few times, but not only did I shoot myself in the foot, I blew away everything from the neck down. If there is a safe way to accomplish this, I would love a step-by-step howto or examples from someone that has actually accomplished this with a positive result. -- R