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FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x08000039 PCIe Card BBU Undervoltage (PCIe Card, Major Alarm)

ALM-0x08000039 PCIe Card BBU Undervoltage (PCIe Card, Major Alarm)


Alarm message:

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

This alarm is generated when the BBU (iBBU or supercapacitor) voltage of the PCIe RAID card is low.

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

The cache of the RAID controller card is affected.

Possible Causes

The voltage of the battery or supercapacitor of the PCIe RAID card is too low.


  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: 2019-08-05

Document ID: EDOC1000054724

Views: 332567

Downloads: 3062

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