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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-0x2100FFFF Fault Status (CPU Match)

ALM-0x2100FFFF Fault Status (CPU Match)


Alarm message:

Fault status

This alarm is generated when an unsupported CPU model or multiple CPU models are installed in the same server.

This alarm applies only to the RH5885 V3, RH5885H V3, and RH8100 V3.

Sensor triggering the alarm: CPU Match


Alarm ID Alarm Severity Auto Clear




Impact on the System

The system may fail to power on.

Possible Causes

  • An incompatible CPU is installed.
  • The CPUs installed in the server are not of the same model.


  1. Power off the server, and remove the power cables from the server.
  2. Check the number of CPUs installed in the server.

    • If only one CPU is installed, go to 4.

    • If multiple CPUs are installed, go to 3.

  3. Check whether the models of the installed CPUs are the same.

    • If yes, go to 4.

    • If no, go to 6.

  4. Check whether the CPU(s) are compatible with the server.

    You can check the CPU compatibility by using the Intelligent Computing Compatibility Checker.

    • If yes, go to 9.

    • If no, go to 5.

  5. Replace the incompatible CPU(s). Then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 9.

  6. Check whether any CPU is incompatible with the server.

    • If yes, go to 8.

    • If no, go to 7.

  7. Replace certain CPUs so that the CPU models arethe same. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 9.

  8. Replace the incompatible CPUs so that all CPUs are of the same model and compatible with the server. Then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 9.

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

Document ID: EDOC1000054724

Views: 394141

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