[Samba] What happens to Samba permissions when moving a share on the Linux side?

Sebastian Arcus s.arcus at open-t.co.uk
Mon Aug 22 05:56:01 UTC 2022

On 21/08/2022 15:00, Rowland Penny via samba wrote:
> On Sun, 2022-08-21 at 12:57 +0100, Sebastian Arcus via samba wrote:
>> I have a server with Samba 4.10.8 in AD mode, with shares on the DC.
> You really shouldn't use a DC as a fileserver, you should add a Unix
> domain member and use that instead.

Thank you - I will have to look into it. I take it this would mainly be 
a performance issue?

>> I
>> know that Samba in AD mode keeps the file permissions in its own
>> database,
> No, it doesn't. The permissions are stored in the normal Unix
> permissions (ugo), an extended acl shown by getfacl and an extended
> attr shown by 'samba-tool ntacl get /path/to/directory or file'.

Thank you. Is the extended attr shown by samba-tool also stored in the 
file itself, or somewhere else?

>>   not on the Linux file system. What happens to these
>> permissions if the root of a share is moved on the Linux side? For
>> example, my share is currently at /mnt/point/samba/share_name, and I
>> would like to move it to /srv/samba/share_name. Will that mess up
>> the
>> stored Samba file permissions - are they using full paths to find
>> the
>> files the permissions apply to? Thank you for any info
> You should be able to just move the data to the new place, but I would
> make a backup first.

Thank you again for the quick reply. I already have a backup, so I will 
proceed with moving the data and see what happens

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