From owner-freebsd-questions@FreeBSD.ORG Mon Nov 18 11:52:29 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DDEFCBB9 for ; Mon, 18 Nov 2013 11:52:29 +0000 (UTC) Received: from mail-la0-x22c.google.com (mail-la0-x22c.google.com [IPv6:2a00:1450:4010:c03::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 50CB22496 for ; Mon, 18 Nov 2013 11:52:29 +0000 (UTC) Received: by mail-la0-f44.google.com with SMTP id ep20so4781381lab.17 for ; Mon, 18 Nov 2013 03:52:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=cGYNwMmgS584bfjp+BdYABUj7h9CzAEFRiE9InlTQ8s=; b=IfzyW8vHldFkwwOncQh4aRJoUTzTPFsppkCCBFNr6Qz24P43QkJPbBKLCqAxW1cUVA Mh3CMI7pRvoLbm0k1nAyYHlaQ18i34HNqmA9hLFSpQJTOgPQChrfHqfwVEX/oL85rXq+ Kx21pXFQyZ2tiBmQyxuipZV8c50PTX5Fa6mKz5c5ushviExDxuiGJYEOlKQXwn9vm8Fq ytXreYZRqRkdZ7CPufjEdyv/r3HN38QhcKfi7DtDgV0fzZ1b+anAwABdQWKaWdYsr4Bb 8MfNN5/ktBdnK0PfR+edoNyxJCxNh1XnPoV/SAP179vsnoikavaYmX/i/mzpi6hMXUmk 0Q1g== X-Received: by 10.152.219.133 with SMTP id po5mr1158332lac.34.1384775547260; Mon, 18 Nov 2013 03:52:27 -0800 (PST) MIME-Version: 1.0 Received: by 10.113.5.138 with HTTP; Mon, 18 Nov 2013 03:51:47 -0800 (PST) In-Reply-To: References: <20131117185150.3207ab60@X220.ovitrap.com> <20131117163620.b5e6df59.freebsd@edvax.de> <20131117174841.a4bf8443.freebsd@edvax.de> From: saeedeh motlagh Date: Mon, 18 Nov 2013 15:21:47 +0330 Message-ID: Subject: Re: how install two freebsd9.2 on one disk? To: Warren Block Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.16 Cc: Polytropon , freebsd-questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Nov 2013 11:52:29 -0000 thanks all for your answers. i wanna install two OSes on gpt partitions - both of them use gpt partitions-. if i understand correctly, there is no boot manager for gpt partitions. you know, i need a boot manager which shows something like F1 freebsd F2 freebsd. maybe grub can help but i don't want to use it. so there is no else option for me right? is it possible to change one freebsd OS from gpt to mbr in order to use boot manager while the other one is gpt? i think it is impossible because just one scheme can be defined for disk which is gpt or mbr. please let me know if i am wrong and there is any way to do it. thank you On Mon, Nov 18, 2013 at 1:29 AM, Warren Block wrote: > On Sun, 17 Nov 2013, Polytropon wrote: > > On Sun, 17 Nov 2013 09:09:23 -0700 (MST), Warren Block wrote: >> >>> On Sun, 17 Nov 2013, Polytropon wrote: >>> >>> On Sun, 17 Nov 2013 16:51:42 +0330, saeedeh motlagh wrote: >>>> >>>>> (although i do it and nothing change) if not, where is boot manager >>>>> and how >>>>> should i use it? i think something should be done about boot partition >>>>> (ada0p1), don't it? please help me to boot my 2 OS correctly. >>>>> >>>> >>> This is a good question. As far as I know, boot0 will only work on real >>> MBR disks, and does not understand GPT partitions. Any time I've needed >>> to multiboot, the other operating system can't handle GPT anyway, so MBR >>> is required. >>> >> >> It's just the question in how far gpart can be used to create >> such an MBR layout, or if traditional tools (fdisk, bsdlabel, >> newfs) will be easier here? >> > > I was talking about the MBR partitioning scheme versus GPT. gpart can > create both, and of course newfs must be used regardless. The concern is > whether boot0 can recognize GPT partitions. Probably not, but I have not > tried it. > > > Another option for GPT is to use the bootme and bootonce flags. See >>> gptboot(8). >>> >> >> Those are also mentioned in "man gpart", which I was already >> thinking of (in terms of being a part of the solution). >> > > Some of the description of them in gpart was moved to the new gptboot man > page. It was more relevant there, and is explained in more detail. > -- *Sa.M*