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The node shuts down due to "Battery PCT capacity critical" but there is no issue with the battery sensor

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ontap-9
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hw
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Applies to

  • FAS2620
  • Service Processor (SP) 5.9

Issue

  • The node shuts down and the error below reports in system log.

Nov 11 06:54:26 [Node-02:nvmem.battery.fccLowCrit:EMERGENCY]: The NVMEM battery full-charge capacity is critically low (30 ). To prevent data loss, the system will shut down in 20 minutes.
Nov 11 06:55:24 [Node-02:callhome.battery.failure:EMERGENCY]: Call home for BATTERY (full charge capacity low) CRITICAL.
Nov 11 07:14:26 [Node-02:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery PCT capacity critical)
Waiting for PIDS:  858.
.
Uptime: 57d5h49m57s
System powering down...

  • The phenomenon below occurs in ipmi_sensors of sp status -d.
    • The status of each column related to the battery are good.
      ipmi_sensors
      ============
      Sensor Name      | Current    | Unit       | Status     | LCR       | LNC       | UNC       | UCR
      -----------------+------------+------------+------------+-----------+-----------+-----------+-----------
      Bat_Temp         | 29.000     | degrees C  | ok         | 0.000     | 5.000     | 60.000    | 75.000
      Bat_Volt         | 8.100      | Volts      | ok         | 5.500     | 5.600     | 8.500     | 8.600
      Bat_Curr         | 0.000      | Amps       | ok         | na        | na        | 1.200     | 1.520
      Bat_Rem_Cap      | 0.512      | Amps * hour | ok         | na        | na        | na        | na
      Bat_Full_Cap     | 0.512      | Amps * hour | ok         | na        | na        | na        | na
      Bat_Charge_Curr  | 0.000      | Amps       | ok         | na        | na        | 2.200     | 2.300
      Bat_Charge_Volt  | 8.200      | Volts      | ok         | na        | na        | 8.900     | 9.000
      Bat_Design_Cap   | 2.100      | Amps * hour | ok         | na        | na        | na        | na
      Bat_Initial_Fcc  | 1.700      | Amps * hour | ok         | na        | na        | na        | na
      Bat_Dstg_Cycles  | 10.000     | cycles     | ok         | 2.000     | 5.000     | na        | na
      Bat_Power_Fault  | 0x0        | discrete   | Deasserted | na        | na        | na        | na
      Bat_Dsg_FET_Flt  | 0x0        | discrete   | Deasserted | na        | na        | na        | na
      Bat_Chg_FET_Flt  | 0x0        | discrete   | Deasserted | na        | na        | na        | na
      Bat_Pack_Invalid | 0x0        | discrete   | Deasserted | na        | na        | na        | na
      Bat_Cycle_Cnt    | 37.000     | cycles     | ok         | na        | na        | na        | na
      Bat_Lrn_Active   | 0x0        | discrete   | Deasserted | na        | na        | na        | na
    • The values of multiple sensors other than battery are showing as na.
      ipmi_sensors
      ============
      Sensor Name      | Current    | Unit       | Status     | LCR       | LNC       | UNC       | UCR
      -----------------+------------+------------+------------+-----------+-----------+-----------+-----------
      CPU0_Temp_Margin | na         | degrees C  | na         | na        | na        | -11.000   | -1.000
      CPU0_Core_Temp   | na         | degrees C  | na         | 0.000     | 5.000     | 90.000    | 100.000
      P5V              | na         | Volts      | na         | 4.246     | 4.343     | 5.661     | 5.807
      P3V3             | na         | Volts      | na         | 2.960     | 3.040     | 3.568     | 3.664
      PVDDQ_DDR4_AB    | na         | Volts      | na         | 0.010     | 0.019     | 2.454     | 2.464
      PVTT_DDR4_AB     | na         | Volts      | na         | 0.010     | 0.019     | 2.454     | 2.464
      PVCCP_CPU0       | na         | Volts      | na         | 0.010     | 0.019     | 2.454     | 2.464
      P3V3_BATT        | na         | Volts      | na         | 0.016     | 0.032     | 4.048     | 4.064
      P12V             | na         | Volts      | na         | 0.000     | 0.000     | 15.810    | 15.810
      P12V_Curr        | na         | Amps       | na         | 0.000     | 0.000     | 15.810    | 15.810
  • The shutdown does not occur during an active learning cycle in events all.

Record 2395: Wed Oct 16 12:00:14 2024 [IPMI.notice]: 2003 | 02 | EVT: 0301ffff | Bat_Lrn_Active | Assertion Event, "State Asserted"
Record 2396: Wed Oct 16 13:13:09 2024 [IPMI.notice]: 2103 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2397: Wed Oct 16 13:13:17 2024 [IPMI.notice]: 2203 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
Record 2398: Wed Oct 16 13:24:07 2024 [IPMI.notice]: 2303 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2399: Wed Oct 16 13:24:13 2024 [IPMI.notice]: 2403 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
Record 2400: Wed Oct 16 16:02:02 2024 [IPMI.notice]: 2503 | 02 | EVT: 0300ffff | Bat_Lrn_Active | Assertion Event, "State Deasserted"
Record 2401: Wed Oct 16 19:17:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Wed Oct 16 19:16:58 2024. New time: Wed Oct 16 19:17:00 2024.
Record 2402: Mon Oct 21 08:45:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Mon Oct 21 08:44:58 2024. New time: Mon Oct 21 08:45:00 2024.
Record 2403: Fri Oct 25 22:21:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Fri Oct 25 22:20:58 2024. New time: Fri Oct 25 22:21:00 2024.
Record 2404: Wed Oct 30 10:28:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Wed Oct 30 10:27:58 2024. New time: Wed Oct 30 10:28:00 2024.
Record 2405: Mon Nov  4 01:42:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Mon Nov  4 01:41:58 2024. New time: Mon Nov  4 01:42:00 2024.
Record 2406: Fri Nov  8 16:59:00 2024 [Heartbeat.notice]: Heartbeat time adjusted: Set SP time. Old time: Fri Nov  8 16:58:58 2024. New time: Fri Nov  8 16:59:00 2024.
Record 2407: Sun Nov 10 21:54:25 2024 [IPMI.notice]: 2603 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2408: Sun Nov 10 21:54:32 2024 [IPMI.notice]: 2703 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
Record 2409: Sun Nov 10 21:54:53 2024 [IPMI.notice]: 2803 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2410: Sun Nov 10 21:54:59 2024 [IPMI.notice]: 2903 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
Record 2411: Sun Nov 10 22:14:23 2024 [IPMI.emergency]: triggered OS halt: Battery PCT capacity critic
Record 2412: Sun Nov 10 22:14:25 2024 [IPMI.notice]: 2a03 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2413: Sun Nov 10 22:14:31 2024 [IPMI.notice]: 2b03 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
Record 2414: Sun Nov 10 22:14:37 2024 [IPMI.notice]: 2c03 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
Record 2415: Sun Nov 10 22:14:50 2024 [IPMI.notice]: 2d03 | 02 | EVT: 6f406fff | Sensor 255 | Assertion Event, "Storage OS stop/shutdown"
Record 2416: Sun Nov 10 22:14:50 2024 [IPMI Event.critical]: System power down
Record 2417: Sun Nov 10 22:14:50 2024 [ONTAP.notice]: Appliance user command halt.
Record 2418: Sun Nov 10 22:14:50 2024 [IPMI.emergency]: Shutdown by Data ONTAP
Record 2419: Sun Nov 10 22:14:50 2024 [Trap Event.critical]: hwassist abnormal_reboot (28)
Record 2420: Sun Nov 10 22:14:53 2024 [IPMI.notice]: 2e03 | 02 | EVT: 0300ffff | Power_Good | Assertion Event, "State Deasserted"
Record 2421: Sun Nov 10 22:15:09 2024 [ASUP.notice]: First notification email | (REBOOT (abnormal)) WARNING | Sent
Record 2422: Sun Nov 10 22:26:09 2024 [SP.critical]: Heartbeat stopped
Record 2423: Sun Nov 10 22:29:52 2024 [ASUP.notice]: Reminder email | (REBOOT (abnormal)) WARNING | Sent

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