> Not sure how technically feasible it is, but something I thought of
> while shuffling some files around my home server.  My poor
> understanding of ZFS internals is that the entire pool is effectivly a
> tree structure, with nodes either being data or metadata.  Given that,
> couldnt ZFS just change a directory node to a filesystem with little
> effort, allowing me do everything ZFS does with filesystems on a
> subset of my filesystem :)

> Not hard to work around - zfs create and a mv/tar command and it is
> done... some time later.  If there was say a "zfs graft <directory>
> <newfs>" command, you could just break of the directory as a new
> filesystem and away you go - no copying, no risking cleaning up the
> wrong files etc.

I think there are some details in the tree that keep you from simply
splitting them off immediately.  

Some of the issues were discussed a while back.  I don't know if anyone
has tried to work on it or talked about alternative solutions.

See also:
http://www.opensolaris.org/jive/thread.jspa?messageID=28262
http://bugs.opensolaris.org/view_bug.do?bug_id=6400399

-- 
Darren Dunham                                           [EMAIL PROTECTED]
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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