Group,

I'm now testing the faulty fan tray. I confirm that only one Fan is stopped. 
What happens with a different IOS/SUP is a surprise:

00:12:27: %C4K_IOSMODPORTMAN-4-FANTRAYPARTIALFAILURE: A fan or thermistor/s in 
system fan tray have failed
00:13:57: %C4K_IOSMODPORTMAN-4-FANTRAYGOOD: Fan tray is okay
00:24:52: %C4K_IOSMODPORTMAN-4-FANTRAYPARTIALFAILURE: A fan or thermistor/s in 
system fan tray have failed
00:31:27: %C4K_IOSMODPORTMAN-4-FANTRAYGOOD: Fan tray is okay

IOS=cat4500-ipbase-mz.122-31.SGA8.bin

So on this IOS, the auto-shutdown "feature" is not available.

I will now downgrade to "cat4000-i9s-mz.122-18.EW7.bin" to see if i'm able to 
replicate the problem.



Regards,
 
Antonio Soares, CCIE #18473 (R&S)
[email protected]

-----Original Message-----
From: Antonio Soares [mailto:[email protected]] 
Sent: sexta-feira, 20 de Novembro de 2009 10:19
To: '[email protected]'
Subject: RE: Catalyst 4507R Single Point of Failure

The Fan Tray (4597) was replaced and now everthing is fine.
I will try to test the Faulty Fan Tray during the day and i will let you know 
what i found.

Still looking for an answer to this question:

- Is there any way to disable the system auto-shutdown ?


Regards,
 
Antonio Soares, CCIE #18473 (R&S)
[email protected]

-----Original Message-----
From: Antonio Soares [mailto:[email protected]] 
Sent: quinta-feira, 19 de Novembro de 2009 16:30
To: '[email protected]'
Subject: RE: Catalyst 4507R Single Point of Failure

More details about the system:

IOS cat4000-i9s-mz.122-18.EW7.bin 

Dual Sup-IV (4515).

We are going to replace the Fan Tray in about 2 hours. Then we will verify in 
the lab with more detail how many fans are failing.

I'll keep you updated.

But no matter how many Fans are faulty, i was expecting that, even if the 
entire Fan Tray fails, there was a way to override the
system auto-shutdown.



Regards,
 
Antonio Soares, CCIE #18473 (R&S)
[email protected]

-----Original Message-----
From: Antonio Soares [mailto:[email protected]] 
Sent: quinta-feira, 19 de Novembro de 2009 13:49
To: '[email protected]'
Subject: Catalyst 4507R Single Point of Failure

Group,

This is happening to a Catalyst 4507R:

%C4K_IOSMODPORTMAN-4-FANTRAYBAD: Fan tray has failed
%C4K_CHASSIS-2-INSUFFICIENTFANSDETECTED: Too few working fans in fan tray, the 
chassis will overheat. If not resolved, in 4 minutes
all line cards will be placed into Reset-Mode
%C4K_CHASSIS-2-INSUFFICIENTFANSSHUTDOWN: Resetting linecards due to fan tray 
failure
%C4K_IOSMODPORTMAN-6-MODULEOFFLINE: Module 3 is offline
%C4K_IOSMODPORTMAN-6-MODULEOFFLINE: Module 4 is offline
%C4K_IOSMODPORTMAN-6-MODULEOFFLINE: Module 6 is offline
%C4K_IOSMODPORTMAN-6-MODULEOFFLINE: Module 7 is offline
%C4K_IOSMODPORTMAN-6-FANTRAYGOOD: Fan tray is okay

I verified that only 1 out of 6 of the fans composing the Fan Tray is stopped.

Any way to stop this automatic shutdown ?

It's hard to understand why a Catalyst with Dual Supervisors and Dual Power 
Supplies will stop because of this.




Thanks.

Regards,
 
Antonio Soares, CCIE #18473 (R&S)
[email protected]

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