ZFS snapshots readable over samba - Permission

[Jeremy Allison]

On Mon, Oct 03, 2011 at 11:47:40PM +0200, Bodo Kaiser wrote:
> Sry for giving such a bad issue discriptions, I tried some things out
> and I think I should formulate the question new.
> I have different user-dirs in "/usr/home". I also have daily ZFS
> snapshots in "/usr/home/.zfs/snapshot". Now I want to have access to the
> snapshots over samba but only with user authentification and then only
> read access to the user belonging files in the snapshot.
> 
> So the user should log in with the username and the password and have
> access to his files. If he now missis a file which is in the snapshot he
> should easily go to the snap dir (maybe over a softlink) change to his
> user-dir in the snapshot and get his missing file(s). When he does this
> he shouldn't get access to the files of the other users.
> 
> Hope I explained it this time better :S

Not quite.

When you use "/usr/home", do you mean for a user named "foo",
their home directory is "/usr/home/foo", and their snapshot
directory is "/usr/hme/.zfs/snapshot/foo" ?

Please be very specific about what the paths are here.

Jeremy.