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Cisco Bug: CSCuo68057 - Wrong temperature value reported for the Fabric interconnect

Last Modified

Feb 04, 2017

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

2.1(1f)A

Description (partial)

Symptom:
FI's temperature shows a negative value in NX-OS and a very high number in UCSM:

NX-OS:

DC2-UCS-B(nxos)# show environment temperature

Temperature
-----------------------------------------------------------------
Module   Sensor     MajorThresh   MinorThres   CurTemp     Status
                     (Celsius)     (Celsius)    (Celsius)
-----------------------------------------------------------------
1        Outlet     67            58           -1          ok

UCSM:

`scope fabric-interconnect a|b`
`show stats env-stats`

Env Stats:
     Time Collected: 2014-04-22T10:53:01.222
     Monitored Object: sys/switch-B
     Suspect: No
     Main Board Outlet1 (C): 4294967296.000000	<<<
     Main Board Outlet2 (C): N/A
     Fan Ctrlr Inlet1 (C): N/A
     Fan Ctrlr Inlet2 (C): N/A
     Fan Ctrlr Inlet3 (C): N/A
     Fan Ctrlr Inlet4 (C): N/A
     Psu Ctrlr Inlet1 (C): N/A
     Psu Ctrlr Inlet2 (C): N/A
     Thresholded: 0

Conditions:
- Seen with a 6248
- This is cosmetic
- This is likely due to an I2C error; either a temporary glitch, or a hardware fault
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