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monitor.rtcLowPower occurs on Coin cell Real Time Clock (RTC) battery

  1. Last updated
    Jan 7, 2025
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Votes:
1
Category:
ontap-9
Specialty:
HW
Last Updated:
1/7/2025, 7:32:19 AM

Applies to

FAS8200

Issue

  • The fault LEDs on the front and back of the storage are all on.
  • The following messages can be observed on the system.
[?]  Thu Oct 17 13:18:58 +0900 [Node-02: env_mgr: monitor.rtcLowPower:error]: Real-time clock battery is dangerously low. Replace it at the next available maintenance window.
  • P3V3_BATT shows nc in SP-LATEST-IPMI.
P3V3_BATT        | 0.032      | Volts      | nc         | 0.016     | 0.032     | 4.048     | 4.064
  • Lower Non-critical going low occurs repeatedly in SP-LATEST-SYSTEM-EVENT-LOG
Record 976: Tue Oct 15 21:57:06 2024 [IPMI.notice]: 0002 | 02 | EVT: 01500202 | P3V3_BATT | Assertion Event, "Lower Non-critical going low "
Record 977: Tue Oct 15 21:57:48 2024 [IPMI.notice]: 0102 | 02 | EVT: 81500402 | P3V3_BATT | Deassertion Event, "Lower Non-critical going low "
Record 978: Tue Oct 15 21:59:41 2024 [IPMI.notice]: 0202 | 02 | EVT: 01500202 | P3V3_BATT | Assertion Event, "Lower Non-critical going low "
Record 979: Tue Oct 15 22:01:12 2024 [IPMI.notice]: 0302 | 02 | EVT: 81500402 | P3V3_BATT | Deassertion Event, "Lower Non-critical going low "
……
Record 1472: Wed Oct 16 20:04:05 2024 [IPMI.notice]: f003 | 02 | EVT: 01520101 | P3V3_BATT | Assertion Event, "Lower Critical going low "
Record 1473: Wed Oct 16 20:04:19 2024 [IPMI.notice]: f103 | 02 | EVT: 81520301 | P3V3_BATT | Deassertion Event, "Lower Critical going low "
  • The error event below shows in System Manger.
Real-time clock battery is dangerously low.

 

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