[Samba] locks on read-only files from windows share?

[Jeremy Allison]

On Wed, Jun 30, 2004 at 03:25:19PM -0600, Kyle Davenport wrote:
> *** Authentication Certificate ***
> 
> We are reasonably sure that until recently we could do a "tail -f" on a
> file on a share from windows mounted on linux 2.4x (samba 2.2+), and
> processes on windows had no problem writing to that file while we saw the
> output scroll in the tail.
> 
> We suspect some Windows OS patch recently changed this behavior, so that
> now any windows process fails to write to that file, with a sharing
> violation error.  This happens on XP, 2K, & 2K3 using samba 2.2 or samba
> 3.0.2.   The freeware utility tail for windows does NOT have this problem
> when it is doing "tail -f" across a share.
> 
> I have already tried the CIFS back-port for 2.4.  In this case, there is no
> sharing violation, but also "tail -f" no longer works - and does not update
> the file as it is written to on windows.  Pretty much defeats the purpose!

Can you give me an exact mechanism to reproduce this. I'll need
to know the clients/servers involved and also the smb.conf parameters.
Note that no more updates are being done for 2.2.x, so see if you can
reproduce this with 3.0.x first.

Thanks,

	Jeremy.