From owner-freebsd-questions@FreeBSD.ORG Tue Oct 14 16:13:16 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 A488016A4B3; Tue, 14 Oct 2003 16:13:16 -0700 (PDT) Received: from mail.seekingfire.com (coyote.seekingfire.com [24.72.10.212]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1F75943FDD; Tue, 14 Oct 2003 16:13:13 -0700 (PDT) (envelope-from tillman@seekingfire.com) Received: from blues.seekingfire.prv (blues.seekingfire.prv [192.168.23.211]) by mail.seekingfire.com (Postfix) with ESMTP id 003E56B; Tue, 14 Oct 2003 17:13:11 -0600 (CST) Received: (from tillman@localhost) by blues.seekingfire.prv (8.11.6/8.11.6) id h9ENDBF17195; Tue, 14 Oct 2003 17:13:11 -0600 Date: Tue, 14 Oct 2003 17:13:11 -0600 From: Tillman Hodgson To: "Greg 'groggy' Lehey" Message-ID: <20031014171311.Z30205@seekingfire.com> References: <3F89E312.6090502@syspres.com> <20031014012450.GQ57013@wantadilla.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20031014012450.GQ57013@wantadilla.lemis.com>; from grog@freebsd.org on Tue, Oct 14, 2003 at 10:54:50AM +0930 X-Urban-Legend: There is lots of hidden information in headers cc: freebsd-questions@freebsd.org 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: Tue, 14 Oct 2003 23:13:16 -0000 On Tue, Oct 14, 2003 at 10:54:50AM +0930, Greg 'groggy' Lehey wrote: ... > 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. Once you've had a chance to think about it, would you mind posting yours thoughts someplace public? I think that there's much magic in that general direction, though the path may need to particularly exact to avoid stepping on a mine :-) -T -- The envious man thinks that if his neighbor breaks a leg, he will be able to walk better himself. - Helmut Schoeck, _Envy: A Theory Of Social Behavior_