[Samba] Samba & AutoCad 2007

[Jeremy Allison]

On Mon, Mar 02, 2009 at 07:54:03PM -0500, Patrik Dufresne wrote:
> Hi,
>
> I'm managing a Samba server for almost 4 year now and I've got some  
> glitch with AutoCad & Samba, but I've found many solution to solved  
> those problems. Last week, I receive many complains about some users  
> that experience problem using AutoCad. In fact, it's not AutoCad but  
> Advance Steel Metal 2009 (plugin for AutoCad). In this new version of  
> Advance, there is a new feature called Model Sharing. This feature  
> consist in a support of multiple user sharing the same file - concurrent  
> modifications can be done by multiple user. I'm not really sure how it's  
> implemented, I'm still in process to get access to some implementation  
> details.
>
> So far, our investigation point that Samba may be in cause. I think it's  
> related to some flag not supported by Samba or implemented differently  
> to the MsWindows.
>
> This problem is a big issue for us and I want to do everything possible  
> to fix this problem (what ever it's Samba related or AutoCad related.)
>
> To proceed, I need some help from Samba team to debug the problem with me.
> How can I have detailed logs showing the open flag ?
> Is a tcpdump can be usefull ?
> Is there any configuration to support shared mode ?

Firstly we need to know exactly what version of Samba you're
using. The latest released version is 3.3.1.

> I have a look at this documentation, does Samba support every flags  ?
> http://msdn.microsoft.com/en-us/library/aa365430(VS.85).aspx

This is a user API, not what happens over the network.
The network API looks different to this. Yes, we support
the full flags on the network calls.

Jeremy