Date: Tue, 20 Jan 2009 09:57:38 -0600 From: "John Hendy" <jw.hendy@gmail.com> To: freebsd-fs@freebsd.org Subject: OS X/FreeBSD shared zfs partition Message-ID: <a037f7360901200757l6669cad2r6c7e6c2b0813a3cd@mail.gmail.com>
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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
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