6s Delay when accessing share

[Richard Sharpe]

On Fri, 3 May 2002, Christoph Kaegi wrote:

> I am actually a little in distress about this one.
> They want to replace our main samba fileserver with a W2k one,
> if I can't get it to play nice with our new environment.
> 
> So, if anyone could give me a hint, in what direction
> I can investigate further, I would be *very* grateful.

Well, all of the stuff you talk about below is actually RPC traffic. So, 
the question is, why does it need to do this stuff prior to copying a file 
to a share or accessing a share.

Do you have a trace that you want to share [pun intended] around?

> Thanks
> 
> Christoph
> 
> On 2002.05.02 11:45, Christoph Kaegi wrote:
> > 
> > We experience a 6 seconds delay when accessing a samba share, for example
> > when copying a local file to the share, or accessing the share by 
> > doubleclicking on "my documents", which is redirected to the UNC sharename.
> > 
> > When looking at the network traffic, i see the following:
> > 
> > - client is doing a create request to \srvsvc on the IPC$ Share
> > - this succeeds and the client gets a FID
> > - client does a DCERPC Bind (UUID: 4b324fc8-1670-01d3-1278-5a47bf6ee188)
> > - now, the server responds with a 'Write AndX Response' 
> >   Error: STATUS_INVALID_HANDLE
> > - client tries do close the FID but gets again a STATUS_INVALID_HANDLE
> > 
> > This is repeated for about 400 to 600 packets, then the original
> > user request for copying or showing a share succeeds.
> > 
> > I can send a tcpdump of this, if it helps.
> > 
> > Our configuration is as follows:
> > 
> > Server:
> > 
> > - Sun Solaris 8 / Sparc
> > - Samba 2.2.3a
> > - smb.conf entry for the share:
> >   -------------------------------- 8< --------------------------------
> >   [homes]
> >         comment = Home Directory M:
> >         path = %H
> >         read only = No
> >         create mask = 0755
> >         browseable = No
> >   -------------------------------- 8< --------------------------------
> > - this server is authenticating via NTLM to a W2k Active Directory
> > - Usernames/Groups are resolved via nss_ldap 
> >   (http://www.padl.com/OSS/nss_ldap.html)
> > 
> > Client:
> > 
> > - Windows XP professional
> > - 'My documents' redirected to the UNC path of the homeshare
> > 
> > 
> > I gladly provide more information, if needed.
> > 
> > Can anyone explain, what Windows ist trying to do with those
> > requests?
> > Is it possible to get rid of this delay?
> 
>  [...]
> 
> 

-- 
Regards
-----
Richard Sharpe, rsharpe at ns.aus.com, rsharpe at samba.org, 
sharpe at ethereal.com