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CPU VRD Temperature false sensor reading of AFF-A900 and FAS9500

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Category:
aff-series
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hw
Last Updated:

Applies to

  • AFF-A900
  • FAS9500
  • ONTAP 9

Issue

CPU1 or CPU2 VRD Temperature sensor is incorrectly read by ONTAP and reports as 0 degrees, triggering a chassis low temperature alert. The alert clears seconds later:

Wed Oct 19 01:48:30 -0400 [Node_Name: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: CPU2 VRD Temp is critical low (0 C).
Wed Oct 19 01:48:31 -0400 [Node_Name: env_mgr: monitor.chassisTemperature.ok:notice]: Chassis temperature is ok.

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