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NVMEM battery alerts during an active learning cycle on

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Applies to

  • FAS2620
  • FAS2750
  • ONTAP 9

Issue

  • NVRAM battery is dangerously low on node01 from the EMS log.

[node01: statd: monitor.nvramLowBattery:EMERGENCY]: NVRAM battery is dangerously low.
[node01: 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.
[node01: statd: callhome.battery.low:alert]: Call home for BATTERY_LOW.
[node01: statd: monitor.shutdown.nvramLowBattery.pending:alert]: NVRAM battery is dangerously low. Halting system in 24 hours. Replace the battery immediately!

  • Two hours later, an SNMP trap "dhmNoticeDegradedIO" is sent to the customer's monitoring server.

Unsupported Alert,2022/11/02 03:00:12,xxxxxxxx,node01(primary external storage)_tenant 00006100,[failure][node01]dhmNoticeDegradedIO,NNMI_INCIDENT,Run

  • From SP log, the NVRAM battery learning cycle is being performed at that time.

SP events all

[IPMI.notice]: 7e02 | 02 | EVT: 0301ffff | Bat_Lrn_Active | Assertion Event, "State Asserted"
[IPMI.notice]: 7f02 | 02 | EVT: 01500005 | Bat_Dstg_Cycles | Assertion Event, "Lower Non-critical going low "
[IPMI.notice]: 8002 | 02 | EVT: 01520002 | Bat_Dstg_Cycles | Assertion Event, "Lower Critical going low "
[IPMI.notice]: 8102 | 02 | EVT: 81520402 | Bat_Dstg_Cycles | Deassertion Event, "Lower Critical going low "
[IPMI.notice]: 8202 | 02 | EVT: 81500d05 | Bat_Dstg_Cycles | Deassertion Event, "Lower Non-critical going low "
[IPMI.notice]: 8302 | 02 | EVT: 0301ffff | Attn_Sensor1 | Assertion Event, "State Asserted"
[IPMI.notice]: 8402 | 02 | EVT: 0300ffff | Attn_Sensor1 | Assertion Event, "State Deasserted"
[IPMI.notice]: 8502 | 02 | EVT: 0300ffff | Bat_Lrn_Active | Assertion Event, "State Deasserted"

SP LATEST IPMI

LrnCycleStartDate : 22-11-01-12:00
LrnCycleStartFCC  : 0x052f
LrnCycleEndFCC    : 0x0347
LrnCycleEndDate   : 22-11-01-18:30

 

 

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