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MDS9132T Fan "Failure" for Fans that don't exist.

Hi All,

 

I've got a customer who is installing some new MDS9132T switches. The bundle they have includes the C9132T with 2 x FAN modules only. The fans are installed into slots 2 and 4 as per the Cisco data sheet.

 

The device though has a big red warning LED on the front because Fan1 and Fan3 are 'failed'. I guess they technically are... but they just simply don't exist and have never existed.

 

2019 Oct 29 10:00:17 AUFUJPSN001IT %PMON-SLOT1-2-PMON_CRIT_INFO: Port Monitor Critical Information: Policy (slowdrain) activation is success .
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_OK: Power supply 1 ok(Serial number ARTXXXXXXXX)
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_FANOK: Fan in Power supply 1 ok
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_OK: Power supply 2 ok(Serial number ARTXXXXXXXX)
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-PS_FANOK: Fan in Power supply 2 ok
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-FAN_FAIL_: Fan 1 Failed
2019 Oct 29 10:00:23 Switch-hostname %PLATFORM-2-FAN_FAIL_: Fan 3 Failed
2019 Oct 29 10:00:32 Switch-hostname %PLATFORM-1-PFM_ALERT: FAN_BAD: fan1 fan3
2019 Oct 29 10:00:32 Switch-hostname %PLATFORM-1-PFM_ALERT: Two Fan Tray system

 

Is there a way for me to disable this LED or configure the switch so it knows there are no fans in slot 1 and 3? It's supported to have 2 fans (not my choice, I'd have bought 4), but I really don't want this big red LED on the front of my brand new deployment.

 

Any info would be appreciated.

 

Thanks.

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Cisco Employee

Re: MDS9132T Fan "Failure" for Fans that don't exist.

There's an enhancement filed for your scenario I believe: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk28980/?reffering_site=dumpcr

 

Kirk...

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1 REPLY 1
Cisco Employee

Re: MDS9132T Fan "Failure" for Fans that don't exist.

There's an enhancement filed for your scenario I believe: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk28980/?reffering_site=dumpcr

 

Kirk...

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