From owner-freebsd-questions@FreeBSD.ORG Mon Jan 31 10:11:57 2005 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 BE31616A4CE for ; Mon, 31 Jan 2005 10:11:57 +0000 (GMT) Received: from hosea.tallye.com (joel.tallye.com [216.99.199.78]) by mx1.FreeBSD.org (Postfix) with ESMTP id AAA7B43D31 for ; Mon, 31 Jan 2005 10:11:56 +0000 (GMT) (envelope-from lorenl@alzatex.com) Received: from hosea.tallye.com (hosea.tallye.com [127.0.0.1]) by hosea.tallye.com (8.12.8/8.12.10) with ESMTP id j0VABrYs008795 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 31 Jan 2005 02:11:53 -0800 Received: (from sttng359@localhost) by hosea.tallye.com (8.12.8/8.12.10/Submit) id j0VABqu3008793; Mon, 31 Jan 2005 02:11:52 -0800 X-Authentication-Warning: hosea.tallye.com: sttng359 set sender to lorenl@alzatex.com using -f Date: Mon, 31 Jan 2005 02:11:52 -0800 From: "Loren M. Lang" To: rax@rakhesh.com Message-ID: <20050131101152.GA8619@alzatex.com> References: <38b3f6e40501292247696b96b@mail.gmail.com> <38b3f6e4050129231132f8e743@mail.gmail.com> <41FCA314.3070602@netcabo.pt> <38b3f6e4050130033551e43818@mail.gmail.com> <20050130120618.GA21695@alzatex.com> <38b3f6e4050130235957c049c2@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <38b3f6e4050130235957c049c2@mail.gmail.com> User-Agent: Mutt/1.4.1i X-GPG-Key: ftp://ftp.tallye.com/pub/lorenl_pubkey.asc X-GPG-Fingerprint: B3B9 D669 69C9 09EC 1BCD 835A FAF3 7A46 E4A3 280C cc: "Loren M. Lang" cc: freebsd-questions@freebsd.org cc: Joe Kraft Subject: Re: Booting FreeBSD-5.3 from NTLDR 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: Mon, 31 Jan 2005 10:11:57 -0000 On Mon, Jan 31, 2005 at 11:59:11AM +0400, Rakhesh Sasidharan wrote: > > No, boot0 is just a normal file that is 512 bytes long. There is > > nothing special about it. In it is a bootloader program that can be > > used to boot FreeBSD, and if you run it during boot, it will read the > > partition table and look for all OSes. I think it will modify the > > partition table, though, marking the last OS you booted into, but that's > > the program running doing that, the file itself is harmless. > > Ok. I must have used some other command then, which resulted in my > first disk MBR getting over-written ... strange. :-/ > > By the way, does the fact that NTLDR is on my first disk, while > FreeBSD (and hence its MBR boot0) is on my second disk complicate > matters? I mean, you mention boot0 will modify my partition table to > reflect which OS was booted last -- will it by any chance modify the > partition table on the first disk and hence mess it? > You can disable this behavior of boot0 when you install the MBR on the second disk using the "-o noupdate" argument to boot0cfg. > > -- > Rakhesh > rax@rakhesh.com -- I sense much NT in you. NT leads to Bluescreen. Bluescreen leads to downtime. Downtime leads to suffering. NT is the path to the darkside. Powerful Unix is. Public Key: ftp://ftp.tallye.com/pub/lorenl_pubkey.asc Fingerprint: B3B9 D669 69C9 09EC 1BCD 835A FAF3 7A46 E4A3 280C