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FusionServer Pro E9000 Server iBMC (Earlier than V250) Alarm Handling 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ALM-0341FFFF State Asserted (CPUN Prochot)

ALM-0341FFFF State Asserted (CPUN Prochot)

Description

Alarm message:

State Asserted

This alarm is generated when the iBMC detects a signal sent from the CPU that the CPU temperature is excessively high. This alarm is cleared when the system detects that the temperature is restored to the acceptable range.

This alarm is generated by the following sensor:

  • CPUN Prochot (N indicates a CPU number.)

Attribute

Alarm ID

Alarm Severity

Auto Clear

0341FFFF

Major

Yes

Parameters

Name

Meaning

Time

Time when an alarm is generated.

Sensor

Name of the sensor that generates an alarm.

Event

Details about an alarm.

Severity

Severity of an alarm.

Event Code

Event code that corresponds to an alarm.

Impact on the System

The CPU cannot operate stably, and the frequency decreases. If the alarm persists, the system powers off or restarts, which interrupts services and causes data loss.

Possible Causes

  • A fan module is faulty.
  • The service volume is massive.
  • The ambient temperature is excessively high.
  • The air intake vent is blocked.
  • The air exhaust vent is blocked.
  • The heat sink is not properly connected to the mainboard.
  • The power supply to the device may be insufficient. Insufficient power supply may cause the alarm only when the sensor reporting the alarm is CPUn Prochot.
  • The mainboard is faulty.

Procedure

  1. Log in to the MM CLI, run the smmget -d smalert command, and check whether the status is abnormal.

  2. Install six PSUs in the chassis, and check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 3.

  3. Log in to the MM910 CLI CLI or WebUI, and check whether a lower fan speed alarm is generated for the fan module.

  4. Pull off and insert the fan module. 5 minutes later, check whether the fan alarm is cleared.

  5. Replace the fan module. 5 minutes later, check whether the fan alarm is cleared.

    For details, see the server user guide.

  6. Check whether the services running on the server are in massive volume.

  7. Stop non-critical services to lower the service load on the device. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 8.

  8. Check whether the ambient temperature is excessively high.

  9. Lower the ambient temperature to a range of 10°C to 30°C (50°F to 86°F). 5 minutes later, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 10.

  10. Check whether the air intake vent or air exhaust vent is blocked.

  11. Remove barriers. Then check whether the alarm is cleared.

    • If yes, go further action is required.
    • If no, go to Step 12.

  12. Power off the server, and open the chassis. Then check whether the heat sink is not properly connected to the CPU.

  13. Remove and then install the heat sink. 5 minutes later, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 14.

  14. Replace the mainboard, then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 15.

  15. Contact Huawei technical support for help.
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Updated: 2019-11-19

Document ID: EDOC1100035007

Views: 28920

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