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CFBMC-1667: Storage system prematurely reports coin cell battery LNC and LCR threshold errors

  1. Last updated
    Mar 21, 2025
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ontap-9
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hw
Last Updated:
3/21/2025, 3:46:58 PM

Issue

  • Event <code>monitor.rtcHighPower</code> and <code>monitor.rtcNormal</code> are reported in EMS log

[NODE-02: env_mgr: monitor.rtcHighPower:error]: Real-time clock battery voltage is above normal (P3.3V Batt is warning high (3307 mV).).
[NODE-02: env_mgr: monitor.rtcNormal:notice]: Real-time clock battery voltage is normal
  • <code>P3V3_BATT: Voltage Sensor 26 UNC</code> is shown in <code>system controller service-event show</code>

::*> system controller service-event show
Node ID Event Location Event Description
----------------------------------------------------- ----------------------
NODE-02 1 Controller B on Chassis 1 P3V3_BATT: Voltage Sensor 26 UNC

  • <code>P3V3_BATT</code> Status shows <code>nc</code> in <code>bmc status-d</code>

ipmi_sensors
============
Sensor Name | Current | Unit | Status | LCR | LNC | UNC | UCR
-----------------+------------+------------+------------+-----------+-----------+-----------+-----------
P3V3_BATT | 3.308 | Volts | nc | 2.538 | 2.695 | 3.308 | 3.448

 

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