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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-0x32000001 Hard Drive Backplane Expander Fault (Expander, Minor Alarm)

ALM-0x32000001 Hard Drive Backplane Expander Fault (Expander, Minor Alarm)


Alarm message:

The arg1 drive backplane arg2 expander arg3 is faulty.

The alarm is generated when the drive backplane expander is faulty.

Alarm object: expander


Alarm ID Alarm Severity Auto Clear





Name Meaning


Location of the power supply backplane, for example, rear, inner, or front.


Number of the drive backplane related to the alarm.


Location of the expander controller related to the alarm.

Impact on the System

Hard disks cannot be accessed.

Possible Causes

  • The drive backplane expander is faulty.


  1. Replace the drive backplane expander. 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: 410978

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