Skip to main content
NetApp Knowledge Base

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

  1. Last updated
  2. Save as PDF
Views:
225
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
HW
Last Updated:

Issue

  • Event
    monitor.rtcHighPower
    and
    monitor.rtcNormal
    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


  • P3V3_BATT: Voltage Sensor 26 UNC
    is shown in
    system controller service-event show
    ::*> 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


  • P3V3_BATT
    Status shows
    nc
    in
    bmc status -d

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
hsamcmd --fault-show-all
===============================
tag  origin  fld                                     fault reason                                    count  time
---- ------- ----                                    -------------                                   ------ -----
1    bmc     /chassis-1/controller-a                 P3V3_BATT: Voltage Sensor 26 LNC                1      
2    bmc     /chassis-1/controller-a                 P3V3_BATT: Voltage Sensor 26 LCR                1      

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.