Date: Thu, 24 Apr 2008 10:34:26 +0100 From: Ceri Davies <ceri@submonkey.net> To: Marcel Moolenaar <xcllnt@mac.com> Cc: cvs-src@freebsd.org, Doug Rabson <dfr@rabson.org>, src-committers@freebsd.org, cvs-all@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: cvs commit: src/sbin/gpt gpt.c Message-ID: <20080424093426.GA46389@submonkey.net> In-Reply-To: <D88F8D5D-982D-417F-A3CB-8EE0B3A1F3EB@mac.com> References: <200804231848.m3NImajV044275@repoman.freebsd.org> <24ADF1BE-47FF-43DD-A189-10D876FBE515@rabson.org> <200804231509.31424.jhb@freebsd.org> <D88F8D5D-982D-417F-A3CB-8EE0B3A1F3EB@mac.com>
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On Wed, Apr 23, 2008 at 01:54:17PM -0700, Marcel Moolenaar wrote:
>
> On Apr 23, 2008, at 12:09 PM, John Baldwin wrote:
>
>> On Wednesday 23 April 2008 02:54:40 pm Doug Rabson wrote:
>>>
>>> On 23 Apr 2008, at 19:48, John Baldwin wrote:
>>>
>>>> jhb 2008-04-23 18:48:36 UTC
>>>>
>>>> FreeBSD src repository
>>>>
>>>> Modified files: (Branch: RELENG_7)
>>>> sbin/gpt gpt.c
>>>> Log:
>>>> MFC: Add 'zfs' as an alias for the FreeBSD ZFS UUID.
>>>
>>> Does it make sense to have a FreeBSD ZFS UUID? ZFS is a portable
>>> filesystem format - shouldn't we use whatever UUID Solaris uses for
>>> ZFS in GPT?
>>
>> That's a good question. Maybe pjd@ or marcel@ have opinions on the
>> matter?
>
> There's no such UUID as far as I know, so I thought it safer
> to create a FreeBSD-specific one because we already have
> incompatibilities between operating systems for things like
> UFS and BSD labels. While ZFS may be portable, I'm not at all
> sure that different OSes are feature compatible and for that
> it's good to know where the ZFS originates from. Also, we may
> create an UUID with the intend that it's a common UUID, but
> getting other OSes to use that UUID is far from easy.
Quite; Mac OS X has already introduced a little confusion with the
difference in its zpool versions:
galoot% uname -a
SunOS galoot 5.11 snv_85 i86pc i386 i86pc
galoot% /usr/sbin/zpool upgrade -v |grep 6
6 bootfs pool property
crackityjones:~ ceri$ uname -a
Darwin crackityjones.private.submonkey.net 9.2.2 Darwin Kernel Version 9.2.2: Tue Mar 4 21:17:34 PST 2008; root:xnu-1228.4.31~1/RELEASE_I386 i386
crackityjones:~ ceri$ zpool upgrade -v |grep 6
This system is currently running ZFS version 6.
6 bootfs pool property and OSX directory type
I've yet to check what happens with a zpool created on the Mac being
imported on the OpenSolaris machine or vice versa.
Ceri
--
That must be wonderful! I don't understand it at all.
-- Moliere
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