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