[Samba] Windows xp is waking up NAS for every 30 minutes with NBSS session service packets

[Pau Garcia i Quiles]

Quoting Kandukuru_Suresh at emc.com:

This might be the cause:
http://www.tweakxp.com/Article37934.aspx
http://support.microsoft.com/kb/320138

> Dear All,
>
>     Sorry to bothering you. I am beginner to samba. Please help me
> regarding the below problem.
>
>     while I am testing my NAS disk standby(sleep) mode, I noticed
> windows xp (Professional version 2002 SP2) PC on the network is sending
> NBSS session service packets for every 30 minutes  to NAS and this
> causing the parent smbd in NAS to spawn  worker smbd and this  smbd is
> accessing  some of the files on disk(
> group_mapping.tdb,account_policy.tdb,shar_info.tdb) and causing spinup.
>
> On this XP computer I have closed all network connections and already
> disabled the automatic searching for new network shares. Nevertheless,
> every 30 minutes the system idle process (PID 0) initiates a connection
> the  to netbios-ssn port on the NAS.
>
> I have tried with another windows xp PC .it is also behaving the same
> manner.
> Windows vista ultimate is not giving any problem like this.
>
> I have two questions here?.
> 1) Why and for what windows  xp is sending these packets?.
>
> 2) Is there a way to handle these packets at NAS samba side?. like
> patches are available,
>
> Thanks in advance.
> Suresh
>
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-- 
Pau Garcia i Quiles
http://www.elpauer.org
(Due to my workload, I may need 10 days to answer)