OS X/FreeBSD shared zfs partition

John Hendy jw.hendy at gmail.com
Tue Jan 20 16:12:59 PST 2009


Oh, and 'zpool status' returns:

pool: tank
state: ONLINE
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
tank ONLINE 0 0 0
  ad5s3 ONLINE 0 0 0

And when I just tried 'zfs unmount tank/jwhendy' I get 'cannot unmount
tank/jwhendy: not currently mounted'. Just wanted to add that... I thought
tank/jwhendy hendy was mounted since it's mountpoint directory was not
empty, but according to zfs it was not mounted.


Thanks,
John

On Tue, Jan 20, 2009 at 1:01 PM, Boris Kotzev <boris.kotzev at gmail.com>wrote:

> > Hi,
> >
> > I dual boot OS X and FreeBSD (currently 7.0-i386) and have wanted to
> share a
> > partition for storage between the two. I looked into getting HFS+ to work
> on
> > FreeBSD (http://forums.freebsd.org/showthread.php?t=1198)<
> http://forums.freebsd.org/showthread.php?t=1198>
> > but
> > did not succeed. Then I ran across these two pages:
> >
> > - http://blog.igorminar.com/2009/01/using-zfs-with-mac-os-x-105.html
> > - http://zfs.macosforge.org/trac/wiki
> >
> > I used them to successfully change my Users folder in OS X to a zfs
> > filesystem on a partition separate from my main OS X system/boot files.
> Now
> > I just want to mount that partition from FreeBSD. Is this possible? I can
> > see the slice in /dev as ad5s3, but there's no partitions on that slice
> to
> > mount (ad5s3a, for example), nor am I familiar enough with ZFS to know
> what
> > it should look like from FreeBSD. I have tried 'mount -t zfs /dev/ad5s3
> > /media/temp' without success. zfs.ko is loaded (seen in kldstat) and
> gives
> > the usual message of it being experimental and being version 6.0. In a
> post
> > on the forums (http://forums.freebsd.org/showthread.php?t=1613) it was
> > suggested that I try 'zpool list' but that returned 'no pools available'.
> I
> > tried 'zfs list' as well and got 'no datasets available'.
> >
> > My GUID partition table (OS X) and MBR (FreeBSD) are synced, so they both
> > show disk0s3 (OS X)/partition 3 as type Solaris (It's 'Solaris Usr' on
> the
> > GPT and type B4 iirc on the MBR). I used an EFI booting program called
> rEFIt
> > to sync the tables - could the MBR type of the slice be the reason I
> can't
> > mount it from FreeBSD?
> >
> > I've searched long and hard for any posts about using zfs as a way to
> share
> > a partition between any two OSs, but have not found any references on how
> to
> > use a zfs slice as a shared data partition. Can it only be mounted from
> the
> > OS in which it was created? Any thoughts on what I might do here?
> >
> >
> > Thanks much,
> > John
>
> I am sorry, I wanted to ask what
>
> zpool import
>
> returns.
>
> Regards,
>
> Boris Kotzev
>
>
>
>
>
>
>


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