[Samba] File Locking

Robin Edgar - Tripany red at tripany.com
Mon Feb 26 09:49:04 GMT 2007

Hi, I'm experiencing similar problems and described them in the list

Ute has also had similar problems. We haven't been able to solve the
problem using the oplocks options and are stuck.

Oddly enough the swap file is opened rw but the file itself read=yes,

Thursday, February 22, 2007, 4:14:56 PM, schreef jij:

> On Thu, 2007-02-22 at 09:31 -0500, Alan Cheers wrote:
>> Hi-
>> I'm running Samba on OpenSuse10.2 and have shared some drives with
>> Windows clients.  The clients are accessing a bunch of MS Word files on
>> the server and we have experienced a lot of weird file locking
>> problems.
>> Sometimes MS Word will open the file as Read-Only which is creating a
>> bit of a headache.  I would like to turn off file locking completely on
>> the Samba side and was wondering what I needed to add to the .conf
>> file.
>> Is this enough?
>> oplocks = No
>> level2 oplocks = No
>> Also, if I turn off the file locking on Samba and not on the clients
>> via the registry, what kind of behaviour might I expect?

> No, oplocks are only a performance tweak, but turning them off will not
> disable file locking.  As per the the smb.conf man file, (and though I
> hesitate to even tell you this.) locking = no is what you are asking
> for. However, I caution that a "Minor Headache" is nothing compared to
> the trouble you are asking for with this approach. locking=no should
> never be used on a filesystem that isn't read-only to begin with!  It
> would be better, rather, to try to discover the source of your woe.
> Maybe, when you find a workstation that refuses to open a file
> read-write, you can try  to run smbstatus on the server to find which
> computer is keeping a lock on that file.

>> Thanks for any input.
>> -Alan


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