From owner-freebsd-current@FreeBSD.ORG Sat May 15 12:56:03 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C131616A4CE for ; Sat, 15 May 2004 12:56:03 -0700 (PDT) Received: from tx2.oucs.ox.ac.uk (tx2.oucs.ox.ac.uk [163.1.2.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 10A8943D49 for ; Sat, 15 May 2004 12:56:03 -0700 (PDT) (envelope-from colin.percival@wadham.ox.ac.uk) Received: from scan2.oucs.ox.ac.uk ([163.1.2.162] helo=localhost) by tx2.oucs.ox.ac.uk with esmtp (Exim 4.24) id 1BP5GM-00028o-Jh for freebsd-current@freebsd.org; Sat, 15 May 2004 20:56:02 +0100 Received: from rx2.oucs.ox.ac.uk ([163.1.2.161]) by localhost (scan2.oucs.ox.ac.uk [163.1.2.162]) (amavisd-new, port 25) with ESMTP id 07977-05 for ; Sat, 15 May 2004 20:56:02 +0100 (BST) Received: from gateway.wadham.ox.ac.uk ([163.1.161.253]) by rx2.oucs.ox.ac.uk with smtp (Exim 4.24) id 1BP5GL-00028l-9X for freebsd-current@freebsd.org; Sat, 15 May 2004 20:56:01 +0100 Received: (qmail 19648 invoked by uid 1004); 15 May 2004 19:56:01 -0000 Received: from colin.percival@wadham.ox.ac.uk by gateway by uid 71 with qmail-scanner-1.20 (clamscan: 0.67. sweep: 2.18/3.79. Clear:RC:1(163.1.161.131):. Processed in 0.13715 secs); 15 May 2004 19:56:01 -0000 Received: from dhcp1131.wadham.ox.ac.uk (HELO piii600.wadham.ox.ac.uk) (163.1.161.131) by gateway.wadham.ox.ac.uk with SMTP; 15 May 2004 19:56:01 -0000 Message-Id: <6.1.0.6.1.20040515205417.03f5c8e0@popserver.sfu.ca> X-Sender: cperciva@popserver.sfu.ca (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.1.0.6 Date: Sat, 15 May 2004 20:55:57 +0100 To: "Marc G. Fournier" From: Colin Percival In-Reply-To: <20040515151158.Q13297@ganymede.hub.org> References: <20040515151158.Q13297@ganymede.hub.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" cc: freebsd-current@freebsd.org Subject: Re: COMPAT4X and 5.x ... how backwards compatible? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 May 2004 19:56:03 -0000 At 19:14 15/05/2004, Marc G. Fournier wrote: >I'm picking up some new servers, and want to start looking at migrating to >5.x from 4.x ... how viable is it to install 5.x on the new server, and >move an existing jail'd environment over to there and run it, with the 4.x >binaries/libraries inside of the jail? Is this "wishful thinking" on my >part, that this would be possible? As long as you mount an appropriate devfs inside each jail, this should be possible. I run RELENG_4_x jails inside a RELENG_5_2 system for the purpose of building binary updates, and I haven't had any problems yet. Colin Percival