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CONTAP-360430: Incorrect alerting for nvmem.battery.chgrFailed

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Issue

ONTAP might incorrectly alert for nvmem.battery.chgrFailed event in the following specific conditions:

  1. Erroneously trigger when the NVDIMM battery is in a learning cycle.
  2. Fail to trigger when the NVDIMM battery charger is completely non-operational.
  3. If the NVDIMM battery charger is charging and the NVDIMM battery is discharging for five minutes, instead of triggering the event the system will shutdown in twenty minutes.

EMS log:
[monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery current critical)
Applies only to the following exact ONTAP versions:
  • 9.16.1
  • 9.16.1RC1
  • 9.15.1P7
  • 9.15.1P6
  • 9.15.1P5
  • 9.14.1P11
  • 9.14.1P10
  • 9.13.1P13
  • 9.12.1P16
  • 9.10.1P20

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