From owner-freebsd-current@FreeBSD.ORG Sat May 15 14:13:01 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 DC0A516A4CE for ; Sat, 15 May 2004 14:13:01 -0700 (PDT) Received: from ganymede.hub.org (u46n208.hfx.eastlink.ca [24.222.46.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 67F4343D31 for ; Sat, 15 May 2004 14:13:01 -0700 (PDT) (envelope-from scrappy@hub.org) Received: by ganymede.hub.org (Postfix, from userid 1000) id 84A843439D; Sat, 15 May 2004 18:13:00 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id 83D3C34342; Sat, 15 May 2004 18:13:00 -0300 (ADT) Date: Sat, 15 May 2004 18:13:00 -0300 (ADT) From: "Marc G. Fournier" To: Colin Percival In-Reply-To: <6.1.0.6.1.20040515205417.03f5c8e0@popserver.sfu.ca> Message-ID: <20040515181227.I920@ganymede.hub.org> References: <20040515151158.Q13297@ganymede.hub.org> <6.1.0.6.1.20040515205417.03f5c8e0@popserver.sfu.ca> 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 21:13:02 -0000 On Sat, 15 May 2004, Colin Percival wrote: > 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. How do stuff like ps work, or do they? I know I've seen updates to the 4.x base system cause ps to break inside of the jail itself, so I'm guessing stuff like this won't work across? ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664