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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-0x24000001 CPU Board Overtemperature (CPU Board, Minor Alarm)

ALM-0x24000001 CPU Board Overtemperature (CPU Board, Minor Alarm)

Description

Alarm message:

CPU board arg1 temperature (arg2 degrees C) exceeds the overtemperature threshold (arg3 degrees C). 

This alarm is generated when the temperature of the CPU board exceeds the overtemperature major threshold. This alarm is cleared when the temperature is within the normal range.

Alarm object: CPU board

Attribute

Alarm ID Alarm Severity Auto Clear

0x24000001

Minor

Yes

Parameters

Name Meaning

arg1

Slot number of the CPU board.

arg2

Current reading of the sensor.

arg3

Alarm threshold.

Impact on the System

Overheating affects CPU performance. If this alarm is not cleared in time, the server will automatically power off or restart, which causes service interruption and data loss.

Possible Causes

  • A fan module is faulty.

  • The equipment room temperature exceeds the normal range.

  • The air inlet or outlet is blocked.

  • The CPU board is faulty.

Procedure

  1. Check whether there are fan module alarms.

    • If yes, go to 2.

    • If no, go to 3.

  2. Replace the faulty fan or fan module. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Check whether the equipment room temperature exceeds the normal range.

    • If yes, go to 4.

    • If no, go to 5.

  4. Reduce the equipment room temperature to the normal range. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Check whether the air inlet or outlet of the server is blocked.

    • If yes, go to 6.

    • If no, go to 7.

  6. Clear the blockage. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 7.

  7. Replace the system compute module (SCM) holding the CPU. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 8.

  8. Contact Huawei technical support.
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Updated: 2019-08-05

Document ID: EDOC1000054724

Views: 332406

Downloads: 3062

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