[Samba] Samba vs Linux file permissions

[Christian PERRIER]

Quoting John Maher (john at chem.umass.edu):
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> Hello,
> 
> I cannot find anything in the documentation or mailing list that
> addresses this oddity.
> 
> I've installed Samba Version 3.4.7 on Ubuntu Server 10.04, and I'm
> utterly confused by samba's behavior regarding permissions.
> 
> Users on the server have home directories in /home/chemgroup/username.
> (chemgroup is actually a symlink to another volume mounted at
> /labs/chemgroup.) Permissions on /lab/chemgroup are:


How about looking in logfiles (first with log level to 3)?