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E9000 Server Compute Node and Switch Module iMana 200 Alarm Handling 01

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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-0x0149FFFF Overtemperature Major Alarm (CPUN DTS)

ALM-0x0149FFFF Overtemperature Major Alarm (CPUN DTS)

Description

Alarm message:

Above upper major threshold

This alarm is generated when the CPU temperature is about to reach the limit, that is, the difference between the current CPU temperature and the CPU underclocking temperature is lower than the temperature difference threshold.

This alarm is generated by the sensor: CPUN DTS

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0149FFFF

Major

Yes

Parameters

Name

Meaning

N

Slot number of the CPU.

Impact on the System

Overheating causes CPU underclocking, which will affect CPU performance.

Possible Causes

  • A fan module is faulty.
  • The fan module is not installed.
  • The equipment room temperature exceeds the normal range.
  • The air inlet or outlet is blocked.
  • Idle slots or spaces are not installed with filler panels.
  • The air duct is not installed.
  • The heat sink is not properly connected to the CPU.
  • The mainboard is faulty.
  • The CPU is faulty.

Procedure

  1. Check whether the fan fault alarm is generated.

    • If yes, go to 2.
    • If no, go to 3.

  2. Clear the fan fault alarm. Then check whether the alarm is cleared.

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

  3. Check whether all fans are properly installed.

    • If yes, go to 5.
    • If no, go to 4.

  4. Install fans in spare slots properly. Then check whether the alarm is cleared.

    For details about how to install the fans, see the E9000 Server User Guide.
    • If yes, no further action is required.
    • If no, go to 5.

  5. Check whether the ambient temperature is higher than 40°C (104°F).

    • If yes, go to 6.
    • If no, go to 7.

  6. Reduce the ambient temperature in the equipment room by using air conditioners and fans (for example, turn down the air conditioners and increase the fan speed. When the air conditioners cannot work properly, open doors and windows for ventilation) Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 7.

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

    • If yes, go to 8.
    • If no, go to 9.

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

    • If yes, no further action is required.
    • If no, go to 9.

  9. Check whether the filler panels are inserted into the idle slots or spaces of the chassis.

    • If yes, go to 11.
    • If no, go to 10.

  10. Insert a filler pane into each vacant slot. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 11.

  11. Power off the node and remove it from the chassis. Then check whether the air duct is properly installed in the server..

    • If yes, go to 13.
    • If no, go to 12.

  12. Install the air duct properly, and insert the node into the chassis to power it on. Then, check whether the alarm is cleared.

    For details, see the server user guide.
    • If yes, no further action is required.
    • If no, go to 13.

  13. Power off the node and remove it from the chassis. Then check whether the CPU heat sink is properly installed.

    • If yes, go to 14.
    • If no, go to 15.

  14. Install the CPU heat sink properly, and insert the node into the chassis to power it on. Then, check whether the alarm is cleared.

    For details, see the server user guide.
    • If yes, no further action is required.
    • If no, go to 15.

  15. Power off the node and remove it from the chassis. Replace the mainboard and and insert the node into the chassis to power it on. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 16.

  16. Power off the node and remove it from the chassis. Replace the CPU and and insert the node into the chassis to power it on. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 17.

  17. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  18. Contact Huawei technical support.
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Updated: 2018-08-16

Document ID: EDOC1100035007

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