Date: Sun, 11 Sep 2005 02:45:21 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: "Haulmark, Chris" <chris@sigd.net>, Sean <rsh.lists@comcast.net> Cc: freebsd-questions@freebsd.org Subject: Re: i386/amd64 co-exist Message-ID: <20050910234521.GC65406@gothmog.gr> In-Reply-To: <6FC9F9894A9F8C49A722CF9F2132FC2205447331@ms05.mailstreet2003.net> References: <6FC9F9894A9F8C49A722CF9F2132FC2205447331@ms05.mailstreet2003.net>
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On 2005-09-10 17:29, "Haulmark, Chris" <chris@sigd.net> wrote: >Someone broke the silence: >> I would like to be able to setup a system so that on power up I can >> choose weather to boot into either i386 or amd64. >> Is this possible or would I some how have to install the two >> releases on their own? > Ask yourself this question. > > I would like to be able to set up a vehicle that I can choose wheather > to use v4 motor or v8 motor. That's so when I toss a car key to this > kid, he will only use the vehicle with V4 motor enabled. When I take > this same car key, I want to use a vehicle with a V8. Can both V4 and > V8 co-exist in a single vehicle? Flawed analogy, if you ask me. Sure you can do what the original poster asked. Solaris 10 does this already in their Core OS distribution, and with a bit of effort you can probably share the same i386 /, /var and /usr filesystem between 2 kernels running from different /boot subdirectories, but you will only be able to use i386 binaries this way (since the amd64 cpus can run i386 binaries too). Booting with two different root partitions and a common /home is ok too, but configuration changes in (say) /etc and other places will have to be synced manually between the two.
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