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Date:      Sun, 1 Jul 2001 11:29:26 +0200
From:      Bernd Walter <ticso@mail.cicely.de>
To:        simond@irrelevant.org
Cc:        Rich Morin <rdm@cfcl.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: compatibility of UFS-partitioned FireWire drives
Message-ID:  <20010701112926.A22242@cicely20.cicely.de>
In-Reply-To: <20010701080220.B23390@irrelevant.org>; from simond@irrelevant.org on Sun, Jul 01, 2001 at 08:02:20AM %2B0100
References:  <754836544.20010630185133@morning.ru> <20010630140907.A947@ringworld.oblivion.bg> <1806975199.20010630192712@morning.ru> <15166.16657.406627.673835@guru.mired.org> <p05100381b763fac319ff@[192.168.168.205]> <20010701080220.B23390@irrelevant.org>

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On Sun, Jul 01, 2001 at 08:02:20AM +0100, simond@irrelevant.org wrote:
> On Sat, Jun 30, 2001 at 02:59:57PM -0700, Rich Morin wrote:
> > I have a luggable FireWire drive which I am considering using for
> > backups and data mobility on a variety of machines and operating
> > systems (roughly, *BSD, Mac OS X, and (eventually) Linux).
> > 
> > I'd welcome any suggestions as to things to do or avoid.  I'd rather
> > not get a ways down the road and discover that I need to repartition
> > the disc for some obscure reason...
> 
> Unfortunately there's no FireWire support in FreeBSD yet, but once there
> is I don't see why UFS partitions wouldn't work :)

Because Partition tables are different and UFS is byte order dependend.
Mac OS X Platforms have a different byte order than FreeBSD Platforms
so it won't work in this case.
You might have a chance sharing i386 FreeBSD with i386 linux or
ppc NetBSD with ppc Max OS X - but keep in mind that you can't use
OS dependend extensions to UFS and writing may be unhealthy.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de


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