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ノードがリブートし、BATTERY remain capacity critical lowアラートが表示される

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ontap-9
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hw
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環境

  • AFF-C30
  • ONTAP 9

問題

  • イベントログには次のバッテリアラートが報告されます。
[Node-01: env_mgr: nvmem.battery.capLow:alert]: The NVMEM battery capacity is low (1 cycles).
[Node-01: env_mgr: nvmem.battery.fccLowCrit:EMERGENCY]: The NVMEM battery full-charge capacity is critically low (15 ). To prevent data loss, the system will shut down in 20 minutes.
[Node-01: env_mgr: callhome.battery.warning:alert]: Call home for BATTERY (remain capacity critical low) WARNING.
[Node-01: env_mgr: callhome.battery.failure:EMERGENCY]: Call home for BATTERY (full capacity critical low) CRITICAL.
[Node-01: statd: monitor.nvramLowBattery:EMERGENCY]: NVRAM battery is dangerously low.
[Node-01: statd: monitor.nvramLowBattery.notice:notice]: If the NVRAM battery is dangerously low, the system shuts down automatically every 24 hours to encourage you to replace it. If you reboot the system it will run for another 24 hours before shutting down.
[Node-01: statd: callhome.battery.low:alert]: Call home for BATTERY_LOW.
[Node-01: statd: monitor.shutdown.nvramLowBattery.pending:alert]: NVRAM battery is dangerously low. Halting system in 24 hours. Replace the battery immediately!
  • 何も対処しない場合、ノードは24時間ごとにリブートされ、次のイベントが表示されます。

[Node-01: env_mgr: monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (BATTERY (full capacity critical low) for 20 mins)

[Node-01: env_mgr: nvmem.battery.capNormal:notice]: The NVMEM battery capacity is normal.
[Node-01: statd: monitor.nvramLowBattery:EMERGENCY]: NVRAM battery is dangerously low.
[Node-01: statd: monitor.nvramLowBattery.notice:notice]: If the NVRAM battery is dangerously low, the system shuts down automatically every 24 hours to encourage you to replace it. If you reboot the system it will run for another 24 hours before shutting down.
[Node-01: statd: callhome.battery.low:alert]: Call home for BATTERY_LOW.

  • AutoSupportのSP-LATEST-IPMIセクションのセンサーは次の内容を報告します。

======================================
hsamcmd --fault-show-all
===============================
tag  origin  fld                    fault reason                   count  time             
---- ------- ----                   -------------                   ------ -----            
1   bmc    /chassis-1/controller-a/nvbatt-1     Bat_Rem_Cap: Current Sensor 94 LNC        1    Sat Jul 19 23:25:29 2025
2   bmc    /chassis-1/controller-a/nvbatt-1     Bat_Rem_Cap: Current Sensor 94 LCR        1    Sat Jul 19 23:25:29 2025
3   bmc    /chassis-1/controller-a/nvbatt-1     Bat_Full_Cap: Current Sensor 95 LNC        1    Sat Jul 19 23:25:29 2025
4   bmc    /chassis-1/controller-a/nvbatt-1     Bat_Full_Cap: Current Sensor 95 LCR        1    Sat Jul 19 23:25:29 2025
5   bmc    /chassis-1/controller-a/nvbatt-1     Bat_Dstg_Cycles: Battery Sensor 99 Fault     2    Sat Jul 19 23:25:29 2025

Fault Lights On:
       /chassis-1                                        6    
       /chassis-1/controller-a                                  6    
       /chassis-1/controller-a/nvbatt-1                             6    

 

Sensor Name        State      Current   Critical    Warning    Warning   Critical
                     Reading     Low      Low      High     High
-------------------------------------------------------------------------------------------------

Bat Design Cap       normal      10500 W*hr    --      --      --      --     
Bat Dstg Cycles     critlow      1 cycles   2 cycles   3 cycles   --      --     
Bat Cycle Count      normal        3 cycles   --      --      --      450 cycles
Bat FRU LED                 OFF
Battery Charge Failed?           FALSE
Battery Charge Bad?           TRUE
Battery Capacity Message         BAD
Battery RemCap Desc            READY
          
NV0 Battery State            FULLY_DISCHARGED
NV0 Battery Voltage    normal      8150 mV    5500 mV    5750 mV    8300 mV    8500 mV   

Battery Charge               BAD
Dblade Battery Status         FULLY_DISCHARGED
Dblade Temp                NORMAL_TEMP

  • 影響を受けたノードの電源を再投入したあとも同じエラーが表示されます。

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