NFSv4 is in. iSCSI is not (by default, still looking through options). ZFS is in!!!
Macintosh:~ tamr$ sudo zpool Password: ZFS Readonly implemntation is loaded! To download the full ZFS read/write kext with all functionality enabled, please go to http://developer.apple.com Read-Only ZFS Implementation missing command usage: zpool command args ... where 'command' is one of the following: list [-H] [-o field[,field]*] [pool] ... iostat [-v] [pool] ... [interval [count]] status [-vx] [pool] ... online... offline [-t] ... scrub [-s] ... import [-d dir] [-D] import [-d dir] [-D] [-f] [-o opts] [-R root] -a import [-d dir] [-D] [-f] [-o opts] [-R root ] [newpool] history [ ] Macintosh:~ tamr$ uname -a Darwin Macintosh.local 9.0.0 Darwin Kernel Version 9.0.0: Tue Oct 9 21:35:55 PDT 2007; root:xnu-1228~1/RELEASE_I386 i386
w00t! A big big big congrats to Jeff, Bill, Eric, and the whole ZFS team!!
Once I get this on the Mac i’ll be sure to try out the Read/Write Kext. Now all I need is ZFS for XP…
There is kerberized NFSv3. I haven’t seen NFSv4 support in Leopard though. Apple at one point claimed they would ship an “alpha” v4 client with Leopard, but I have not seen it in any of the review builds I’ve been running.
The man page reports that ” Set the NFS protocol version number – 2 for NFSv2, 3 for NFSv3 and 4 for NFSv4. The default is to try version 3 first,”
Beyond that I haven’t tested yet.
Found further down in the man page Derek:
CAVEATS
An NFS server shouldn’t loopback-mount its own exported file systems because it’s fundamentally prone to deadlock.
The current NFSv4 functionality is “alpha quality” software. A lot of basic functionality is not yet implemented. Use at your
own risk. Currently, the only way to enable NFSv4 is to specify the mount option:
-o vers=4.0alpha
This special option value is only temporary and will no longer be necessary (or supported) once the NFSv4 functionality is ready
for general use ( -o vers=4 will be sufficient ).
OK. But I wouldn’t exactly say that “NFSv4 is in.”
One other NFS feature you may want to check out is the new automounter. Apple ported the one from OpenSolaris to Leopard
I have an NFSv4 client for Leopard available via anonymous ftp at:
http://ftp.cis.uoguelph.ca/pub/nfsv4/darwin-port. It seems to be working well,
but is Open Source (BSD style license + APSL on some parts) and, as they
say, ymmv.
The free (as in beer, but not open source)
GlobalSAN initiator seems to work ok for me
on Intel Mac OS X 10.5.5, talking to a Sun
target (snv_97 or so).
Very interesting article: “NFSv4 and ZFS on OS X Leopard”
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