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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x0800003B PCIe Card BBU Fault (PCIe Card, Major Alarm)

ALM-0x0800003B PCIe Card BBU Fault (PCIe Card, Major Alarm)


Alarm message:

The [arg1] PCIe card arg2 (arg3) BBU is fault.

This alarm is generated when the BBU (iBBU or supercapacitor) of the RAID controller card is faulty.

Alarm object: PCIe card


Alarm ID Alarm Severity Auto Clear





Name Meaning


Location of the PCIe card. For example, front or rear.


Slot number of the PCIe card, for example, 1 or 2.


Type of the PCIe card, for example, M60 GPU.

Impact on the System

Abnormal battery or supercapacitor voltage affects the protection of data against power failure, causing system performance to deteriorate.

Possible Causes

The battery on the PCIe RAID card is low in power.


  1. Replace the BBU or supercapacitor of the RAID controller card. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Contact Huawei technical support.
Updated: 2019-11-19

Document ID: EDOC1000054724

Views: 395255

Downloads: 3202

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