AFF A400/FAS8300 Chassis temperature is too hot: Multiple Internal Temp sensors are unreadable

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Category:: ontap-9

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Applies to

AFF A400
FAS8300
FAS8700
Baseboard Management Processor(BMC) firmware less than 13.7P1

Issue

event log show reports multiple sensors unreadable errors.

node1 ALERT nvmem.battery.notPresent: The NVMEM battery is not present. To prevent data loss, the system will shut down in 5 minutes. node1 ERROR callhome.chassis.ps.degraded: Call home for CHASSIS POWER SUPPLY DEGRADED: PS 1 node1 EMERGENCY monitor.globalStatus.critical: Power Supply Status Critical: PSU2, PSU1. node1 EMERGENCY callhome.chassis.overtemp: Call home for CHASSIS OVER TEMPERATURE SHUTDOWN node1 EMERGENCY callhome.battery.failure: Call home for BATTERY (not present) CRITICAL. node1 ERROR callhome.chassis.power: Call home for CHASSIS POWER DEGRADED: Power Supply Status Critical: PSU2, PSU1. node1 ALERT monitor.chassisPower.degraded: Chassis power is degraded: Power Supply Status Critical: PSU2, PSU1. node1 EMERGENCY monitor.shutdown.chassisOverTemp: Chassis temperature is too hot: Multiple Internal Temp sensors are unreadable. System will be shutdown in 10 minutes

Multiple sensors are not available or invalid with non-responding serial console on node:

::*> node run -node node1 -command environment status chassis list-sensors

Node: node1 Sensor Name State Current Critical Warning Warning Critical Reading Low Low High High ------------------------------------------------------------------------------------------------- NVDIMM0 Health GOOD LED1 Temp not_available -- C 0 C 3 C 43 C 46 C LED2 Temp not_available -- C 0 C 3 C 43 C 46 C MP Temp1 not_available -- C 0 C 5 C 45 C 48 C MP Temp3 not_available -- C 0 C 5 C 45 C 48 C Mezz Temp1 invalid -- C 0 C 5 C 80 C 85 C Mezz Temp2 invalid -- C 0 C 5 C 54 C 57 C PSU1 VIN invalid -- mV 90480 mV 93600 mV 261040 mV 263120 mV PSU1 VOUT invalid -- mV 11336 mV 11440 mV 12948 mV 13156 mV PSU1 Curr IIN invalid -- mA 0 mA -- 9984 mA 12012 mA PSU1 IOUT invalid -- mA 0 mA -- 130000 mA 132000 mA PSU1 PIN invalid -- mW 7100 mW 14200 mW 1611700 mW 1796300 mW PSU1 POUT invalid -- mW 7100 mW 14200 mW 1611700 mW 1796300 mW PSU1 Inlet invalid -- C 0 C -- 58 C 63 C PSU1 Hot invalid -- C 0 C -- 100 C 105 C PSU1 FB Hot invalid -- C 0 C -- 100 C 105 C PSU1 FAN not_available -- RPM 800 RPM 1200 RPM -- -- PSU2 VIN invalid -- mV 90480 mV 93600 mV 261040 mV 263120 mV PSU2 VOUT invalid -- mV 11336 mV 11440 mV 12948 mV 13156 mV PSU2 Curr IIN invalid -- mA 0 mA -- 9984 mA 12012 mA PSU2 IOUT invalid -- mA 0 mA -- 130000 mA 132000 mA PSU2 PIN invalid -- mW 7100 mW 14200 mW 1611700 mW 1796300 mW PSU2 POUT invalid -- mW 7100 mW 14200 mW 1611700 mW 1796300 mW PSU2 Inlet invalid -- C 0 C -- 58 C 63 C PSU2 Hot invalid -- C 0 C -- 100 C 105 C PSU2 FB Hot invalid -- C 0 C -- 100 C 105 C PSU2 FAN invalid -- RPM 800 RPM 1200 RPM -- -- Fan1_1 not_available -- RPM 600 RPM 900 RPM -- -- Fan1_2 not_available -- RPM 600 RPM 900 RPM -- -- Fan2_1 not_available -- RPM 600 RPM 900 RPM -- -- Fan2_2 not_available -- RPM 600 RPM 900 RPM -- -- Fan3_1 not_available -- RPM 600 RPM 900 RPM -- -- Fan3_2 not_available -- RPM 600 RPM 900 RPM -- -- Fan4_1 not_available -- RPM 600 RPM 900 RPM -- -- Fan4_2 not_available -- RPM 600 RPM 900 RPM -- --

From BMC CLI "bmc log debug" output, several sensor status are "na".

[2023-07-04 20:27:26.617] CX5_Temp1 | na | degrees C | na | na | 0.000 | 5.000 | 80.000 | 85.000 | na [2023-07-04 20:27:26.617] CX5_Temp2 | na | degrees C | na | na | 0.000 | 5.000 | 80.000 | 85.000 | na [2023-07-04 20:27:26.617] LED1_Temp | na | degrees C | na | na | 0.000 | 3.000 | 43.000 | 46.000 | na [2023-07-04 20:27:26.617] LED2_Temp | na | degrees C | na | na | 0.000 | 3.000 | 43.000 | 46.000 | na [2023-07-04 20:27:26.617] MP_Temp1 | na | degrees C | na | na | 0.000 | 5.000 | 45.000 | 48.000 | na [2023-07-04 20:27:26.667] MP_Temp3 | na | degrees C | na | na | 0.000 | 5.000 | 45.000 | 48.000 | na

[2023-07-04 20:27:29.016] Mezz_Temp1 | na | degrees C | na | na | 0.000 | 5.000 | 80.000 | 85.000 | na [2023-07-04 20:27:29.016] Mezz_Temp2 | na | degrees C | na | na | 0.000 | 5.000 | 54.000 | 57.000 | na