ZFS version 8 on stable?

Jeremy Chadwick koitsu at FreeBSD.org
Fri Jun 13 09:32:25 UTC 2008

On Fri, Jun 13, 2008 at 06:40:22PM +1000, Timothy Wilson wrote:
> Hello everyone,
> I know -stable is supposed to be, well, stable, but I seem to be in a
> bit of a pickle.
> I'm trying to import my zfs file system from a Macintosh machine. It
> was created at version 8. Being new to zfs, I did not realise that
> FreeBSD would be running at a lower version; I thought zfs was zfs! Of
> course, trying to import my zpool fails, complaining that the version
> is too new.
> freebsd# zpool import bigstore
> cannot import 'bigstore': pool is formatted using a newer ZFS version
> So either I want to downgrade the zpool, or upgrade zfs on FreeBSD.
> Does anyone know if I'll be able to import zfs v8, or am I wasting my
> time? I'd prefer to follow -stable, but if I must follow -current,
> then golly goshkins, I'll have no choice!

I don't know what the current migration status is of ZFS on FreeBSD to a
newer version.  I don't think -CURRENT/HEAD has a newer ZFS either, so I
think you're out of luck with regards to an "easy" migration.

If I was in your shoes, I would not downgrade the pool -- I would simply
stop using ZFS and use a filesystem that is fully compatible between OS
X and FreeBSD.  *cue someone chiming in with the usual "ZFS is
experimental on FreeBSD, blah blah blah" rhetoric*  :-)

Summary: you're out of luck.

| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |

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