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Huawei Rack Server iBMC Alarm Handling 27

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x0100003B Memory Overtemperature (Memory, Minor Alarm)

ALM-0x0100003B Memory Overtemperature (Memory, Minor Alarm)

Description

Alarm message:

The memory (arg1) temperature (arg2 degrees C) exceeds the overtemperature threshold (arg3 degrees C) (SN: arg4, PN: arg5).
NOTE:

From iBMC V316, the CPU and disk alarms will also include the SN and part umber and the mainboard and memory alarms will also include the part number.

This alarm is generated when the memory temperature exceeds the overtemperature minor threshold.

This alarm is cleared when the temperature is within the normal range.

Alarm object: memory

Attribute

Alarm ID Alarm Severity Auto Clear

0x0100003B

Minor

Yes

Parameters

Name Meaning
arg1

Socket NO. of the CPU.

arg2

Current reading of the sensor.

arg3

Alarm threshold.

arg4

Memory serial number.

arg5

Part number.

Impact on the System

Overheating affects memory and server performance.

Possible Causes

  • A fan module is faulty.

  • The equipment room temperature exceeds the normal range.

  • The air inlet or outlet is blocked.

  • A DIMM 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 faulty DIMMs, and power on the server. 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: 2019-02-28

Document ID: EDOC1000054724

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