Date: Tue, 20 Jan 2009 18:08:05 -0600 From: "John Hendy" <jw.hendy@gmail.com> To: "Boris Kotzev" <boris.kotzev@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: OS X/FreeBSD shared zfs partition Message-ID: <a037f7360901201608p5f36bc1bu49bb4773c07e350f@mail.gmail.com> In-Reply-To: <200901202101.27544.boris.kotzev@gmail.com> References: <200901202101.27544.boris.kotzev@gmail.com>
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Wow... I really didn't expect that to work! Well, it 'kind of worked'. Here's what I got: I did 'zpool import' and got the usual 'ZFS is experimental in FreeBSD, ZFS filesystem version 6' and it said something like 'you can import pools by name' (sorry - i missed the exact message). Then I did 'zfs lilst' and tank was listed, but not tank/jwhendy. Then I did 'zfs mount tank/jwhendy' and got: 'Mismatched versions: Filesystem is version 2 on-disk format, which is incompatible with this software version 1! You can force mounting with -f' I did 'zfs mount -f tank/jwhendy' and it said 'Cannot mount 'tank/jwhendy': Operation not supported', but zfs list shows: NAME USED AVAIL REFER MOUNTPOINT tank 11.4G 27.2G 390K /tank tank/jwhendy 11.4G 27.2G 11.4G /tank/jwhendy So... it appears it mounted? when I cd /tank/jwhendy, though, all that is in the folder is a file called .autodiskmounted, which I assume is used by OS X. I think we've made some progress... any way to go the whole way? Can I upgrade the zfs version in FreeBSD since it complains about the mismatched software versions? Just a thought. Thanks! John On Tue, Jan 20, 2009 at 1:01 PM, Boris Kotzev <boris.kotzev@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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