Adrian,
Seems like a cool idea to me :-) Not sure if there is anything of this
kind being thought about...
Would be a good idea to file an RFE.
Regards,
Sanjeev
Adrian Saul wrote:
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 :)
Say you have some filesystems you created early on before you had a good idea
of usage. Say for example I made a large share filesystem and started filling
it up with photos and movies and some assorted downloads. A few months later I
realise it would be so much nicer to be able to snapshot my movies and photos
seperatly for backups, instead of doing the whole share.
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.
Corollary - zfs "merge" - take a filesystem and merge it into an existing
filesystem.
Just a thought - any comments welcome.
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