FAS8700/FAS8300/AFF A400/AFF C400が（CHASSIS OVER TEMPERATURE）ERROR警告を報告します

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環境

ONTAP 9
AFF A400、AFF C400、ASA A400、ASA C400
FAS8300
FAS8700

問題

両ノードのシャーシ温度に関する1時間ごとのエラーメッセージ。例：

[node_name-01: env_mgr: monitor.temp.unreadable:error]: The controller temperature (LED1 Temp) is not readable. [node_name-01: env_mgr: monitor.temp.unreadable:error]: The controller temperature (LED2 Temp) is not readable. [node_name-01: env_mgr: callhome.chassis.hitemp:error]: Call home for CHASSIS OVER TEMPERATURE

[node_name-02: env_mgr: monitor.temp.unreadable:error]: The controller temperature (LED1 Temp) is not readable. [node_name-02: env_mgr: monitor.temp.unreadable:error]: The controller temperature (LED2 Temp) is not readable. [node_name-02: env_mgr: callhome.chassis.hitemp:error]: Call home for CHASSIS OVER TEMPERATURE

AutoSupport生成元：

HA Group Notification (CHASSIS OVER TEMPERATURE) ERROR

LED1またはLED2の温度センサーが故障しました。例：

::> system node run -node node_name-01 -command environment chassis list-sensors
 Sensor Name   State       Current   Critical    Warning    Warning   Critical
                  Reading    Low      Low      High     High
 ----------------------------------------------------------------------------------------
 ...
 LED1 Temp   failed       -- C    0 C      3 C     43 C    46 C

または

::> system node run -node node_name-01 -command environment status chassis Sensor Name State Current Critical Warning Warning Critical Reading Low Low High High ------------------------------------------------------------------------------------------------- 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

"No reading" BMCデバッグログのLEDセンサーの出力。例：

LED1_Temp | 16h | ns | 12.1 | No Reading LED2_Temp | 17h | ns | 12.1 | No Reading

LED1_Temp | na | degrees C | na | na | 0.000 | 3.000 | 43.000 | 46.000 | na LED2_Temp | na | degrees C | na | na | 0.000 | 3.000 | 43.000 | 46.000 | na

特定のシナリオでは、ノードがパニックを起こし、以下のメッセージが表示される場合があります：

[node_name-02: env_mgr: monitor.shutdown.chassisUnderTemp:error]: Chassis temperature is too cold: Ambient temperature is critical low. System will be shutdown immediately [node_name-02: monitor: monitor.globalStatus.critical:EMERGENCY]: Chassis temperature is too low.. [node_name-02: env_mgr: monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Temperature critical) [node_name-02: mgwd: mgwd.notify.halt.result:info]: MGWD able to notify CLAM on its HA partner node that this node is undergoing a planned shutdown (reason: E). Error: -