NVMEMバッテリーエラーによるコントローラのシャットダウン

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環境

FAS2820

AFF-C30

問題

コントローラーが予期せずシャットダウンしました。
システムログによると、複数のバッテリーセンサーの故障が発生し、緊急環境シャットダウンが発生した：

Feb 26 14:46:06 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Volt' unreadable) CRITICAL.
Feb 26 14:46:07 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Curr' unreadable) CRITICAL.
Feb 26 14:46:07 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Dstg Cycles' unreadable) CRITICAL.
Feb 26 14:46:07 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Charge Curr' unreadable) CRITICAL.
Feb 26 14:46:08 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Dcharge FET' unreadable) CRITICAL.
Feb 26 14:46:49 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Temp' unreadable) CRITICAL.
Feb 26 14:46:49 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Full Cap' unreadable) CRITICAL.
Feb 26 14:46:49 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Initial FCC' unreadable) CRITICAL.
Feb 26 14:46:49 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Charge Volt' unreadable) CRITICAL.
Feb 26 14:46:49 [localhost:callhome.battery.failure:EMERGENCY]: Call home for BATTERY ('Bat Charge FET' unreadable) CRITICAL.
Feb 26 14:50:10 [localhost:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery voltage unreadable for 5 mins)