[THIN] Re: OT - Microsoft NLB

  • From: Jeremy Saunders <jeremy.saunders@xxxxxxxxxxx>
  • To: thin@xxxxxxxxxxxxx
  • Date: Tue, 31 Oct 2006 23:52:20 +0800

Yes, NLB does not control the apps. However there is a utility/service
called HTTPMON which controls the web service:
http://support.microsoft.com/?kbid=259651

Cheers.

 Kind regards,

 Jeremy Saunders
 Senior Technical Specialist

 Infrastructure Technology Services
 (ITS) & Cerulean
 Global Technology Services (GTS)
 IBM Australia
 Level 2, 1060 Hay Street
 West Perth  WA  6005

 Visit us at
 http://www.ibm.com/services/au/its

 P:  +61 8 9261 8412                F:  +61 8 9261 8486
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Sorry for the off-topic question but I'm hoping someone can clear the fog.
We are setting up a system that has two W2K3 servers configured to utilize
Microsoft NLB.  Does the NLB logic to determine if a server is "available"
for connections take into account the port of which the client is trying to
connect on?  Say they are web servers and the WWW service crashes on one
but the server is otherwise running, when a browser is trying to connect
via the NLB name, is it possible for it to get routed to the server where
the WWW service is down? The same for other custom apps, if it isn't
running on one of the servers and the client tries to connect via NLB name
and port, will the NLB logic try to connect it to the server where the app
is down and therefore has less network connections?

--

Thanks,
Scott D.

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