From owner-freebsd-questions@FreeBSD.ORG Fri Mar 13 08:40:08 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1F8B01065670 for ; Fri, 13 Mar 2009 08:40:08 +0000 (UTC) (envelope-from frederique@isafeelin.org) Received: from srv0007.pine.nl (srv0007.pine.nl [213.156.9.5]) by mx1.freebsd.org (Postfix) with ESMTP id CBD8B8FC13 for ; Fri, 13 Mar 2009 08:40:07 +0000 (UTC) (envelope-from frederique@isafeelin.org) Received: from localhost (localhost [127.0.0.1]) by srv0007.pine.nl (Postfix) with ESMTP id 806395081B6 for ; Fri, 13 Mar 2009 09:40:06 +0100 (CET) X-Virus-Scanned: amavisd-new at pine.nl Received: from srv0007.pine.nl ([127.0.0.1]) by localhost (srv0007.pine.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id N9xARreX2RD3 for ; Fri, 13 Mar 2009 09:40:01 +0100 (CET) Received: from fileserver.pine.nl (a83-161-224-82.adsl.xs4all.nl [83.161.224.82]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by srv0007.pine.nl (Postfix) with ESMTPS id 981FB5080E8 for ; Fri, 13 Mar 2009 09:40:01 +0100 (CET) Received: from [172.16.0.46] (unknown [172.16.0.46]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by fileserver.pine.nl (Postfix) with ESMTPS id 189A3130EA4 for ; Fri, 13 Mar 2009 09:40:11 +0100 (CET) Message-ID: <49BA1BE1.7060800@isafeelin.org> Date: Fri, 13 Mar 2009 09:40:01 +0100 From: Frederique Rijsdijk User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <49BA13B8.3070602@isafeelin.org> <20090313083303.GA45792@owl.midgard.homeip.net> In-Reply-To: <20090313083303.GA45792@owl.midgard.homeip.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: Binary upgrade 7.1 i386 -> amd64 ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2009 08:40:08 -0000 Erik Trulsson wrote: > On Fri, Mar 13, 2009 at 09:05:12AM +0100, Frederique Rijsdijk wrote: >> I'm planning to binary upgrade a machine that's now running i386 >> 7.1-RELEASE-p3 to AMD64. Mainly because the machine has 8GB of memory >> and I don't like the PAE limitations. >> >> I've done this a couple of times before with 4.x -> 6.x but all remained >> i386. >> >> Are there any pitfalls when doing an upgrade of i386 to amd64 or should >> it be the same as any binary upgrade? > > I don't know if a binary upgrade from i386 to amd64 is even possible, but I > am fairly certain it is not supported. Source upgrades from i386 to amd64 > are possible, but not trivial and not recommended. > > The recommended procedure for changing from i386 to amd64 is to make a > backup of all important data on the machine, and then do a fresh install of > amd64 after which any needed data is restored from the backup. > The machine has an extra 1TB disks for backups, so that part is already 'done'. Perhaps my only existing worry is that I will not be able to read the existing filesystems after the upgrade.