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SP/BMC sensor showing minus temperature(-57 C) on CPU,is this normal?

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Category:
ontap-9
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • AFF/FAS Platform
  • SP/BMC

Answer

Yes.
 
Negative temperature values (minus degrees) in the SP/BMC logs are normal values for sensors. Example :

::> system node environment sensors show -node * -type thermal
Node     Sensor                State      Value/Units Crit-Low    Warn-Low   Warn-Hi   Crit-Hi
----     --------------------- ------      ----------- --------   --------  ---------  -----
node-01  CPU1 DTS Temp         normal      -58 C          -        -         -10       0
         CPU2 DTS Temp         normal      -57 C          -        -         -10       0

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