[Samba] The "single WINS" problem

Tomasz Chmielewski mangoo at wpkg.org
Mon Nov 28 08:15:42 GMT 2005


Marcus White schrieb:
> On Sat, 2005-11-26 at 09:29 +0100, Tomasz Chmielewski wrote:
> 
>>John H Terpstra schrieb:
>>
>>>On Friday 25 November 2005 17:41, Andreas Hasenack wrote:
>>>
>>>
>>>>Em Sexta 25 Novembro 2005 21:45, John H Terpstra escreveu:
>>>>
>>>>
>>>>>With all due respect, I belive that your alarm and concern is a little
>>>>>excessive.
>>>>>
>>>>>What sort of response are you looking for? What are you hoping to achieve
>>>>>from
>>>>>your request?
>>>>
>>>>The point is not how often the wins service (or its machine) fails, but
>>>>what happens to the rest of the network when it does. Considering netbios
>>>>name resolution is not just about mapping name->IP, but also about locating
>>>>services (who is the logon server? who is the domain master browser?), a
>>>>single wins makes the windows network, which is already fragile, even more
>>>>so.
>>>>I've seen a wins server fail (kernel panic), and it wasn't pretty to the
>>>>rest of the network.
>>>
>>>
>>>That failure was not the fault of the WINS server. 
>>
>>Certainly the kernel panic wasn't the fault of Samba running WINS, but 
>>the consequences point us to the limitations of Samba.
>>
>>Even a single network disruption between WINS/PDC and the rest of your 
>>network can cause trouble similar to WINS/PDC kernel panicking.
>>
>>To prevent such cases, where networks are separate (i.e. in different 
>>cities) but use a single user database (in LDAP), I just set up PDCs 
>>instead of BDCs (they don't see each other via netbios anyway), and each 
>>of them is acting as a WINS server.
>>I find it much more resistent to such failures.
>>
>>-- 
>>Tomek
>>http://wpkg.org
>>WPKG - software deployment and upgrades with Samba
> 
> 
> Are you replicating the LDAP database to each network?

yes.

-- 
Tomek
http://wpkg.org
WPKG - software deployment and upgrades with Samba



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