Hello Karl,
Karl Semich:
> I was wondering if there could be some way to deduplicate in this
> scenario? Such that when the ctime needs to be updated, just some
> small metafile is copied up, and not all the contents which could be
> many gigabytes?
Many years ago, I had thought about somethink like that, but gave
up. And aufs still keeps the policy like these.
- the branch fs is still a valid fs as usual
- users can use the branch fs as usual
- etc.
Splitting file-data and meta-data will break these policies.
For your case, I'd suggest you to try
$ find /your/dir \! -user userA | xargs -r chown userB
J. R. Okajima
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