System shuts down due to battery full charge capacity low false-positive alerts
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- Category:
- fas-systems
- Specialty:
- hw
- Last Updated:
- 4/30/2025, 7:34:44 PM
Applies to
-
AFF A300, AFF A200, FAS8200, FAS2650, FAS2620
-
SP firmware 5.6 or newer
-
-
AFF A220, AFF A150, AFF C190, ASA A150, FAS2750, FAS2720
-
BMC firmware 11.3 or newer
-
Issue
- Battery starts a learning cycle as seen in SP/BMC
events all
orSP-LATEST-SYSTEM-EVENT-LOG
AutoSupport section:
Record 351: Wed Jan 05 12:00:13.540000 2022 [IPMI.notice]: 011e | 02 | EVT: 0301ffff | Bat_Lrn_Active | Assertion Event, "State Asserted"
- Subsequently, an AutoSupport is generated because the battery's remaining capacity drops below 30%:
HA Group Notification (BATTERY_LOW) ALERT
- EMS Log reports a critical warning stating that NVRAM battery level is dangerously low:
[node_name: statd: monitor.nvramLowBattery:EMERGENCY]: NVRAM battery is dangerously low.
- Battery learning cycle completes as seen in SP/BMC
events all
orSP-LATEST-SYSTEM-EVENT-LOG
AutoSupport section:
Record 356: Wed Jan 05 18:31:55.700000 2022 [IPMI.notice]: 0123 | 02 | EVT: 0300ffff | Bat_Lrn_Active | Assertion Event, "State Deasserted"
- About 20 minutes after, system shuts down due to battery capacity reaching a critical level as shown in
EMS
orBMC/SP console logs
:
[node_name:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Battery PCT capacity critical)
[node_name: env_mgr: 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.