ZFS version 8 on stable?

[Kris Kennaway]

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!

It is planned to update to a newer ZFS release in HEAD, but this has not 
happened yet (let alone in 7.x).  I don't know if it is possible to 
downgrade a pool - you should check the ZFS documentation/support materials.

Kris