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Huawei Rack Server iBMC Alarm Handling 28

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x2800FFFF Sensor Access Degraded or Unavailable (Mngmnt Health, SSD DiskN Temp)

ALM-0x2800FFFF Sensor Access Degraded or Unavailable (Mngmnt Health, SSD DiskN Temp)

Description

Alarm message:

Sensor access degraded or unavailable, Sensor is SSD DiskN Temp.

This alarm is generated when the server failed to obtain data from the SSD DiskN Temp sensor.

Sensor triggering the alarm: Mngmnt Health

Attribute

Alarm ID Alarm Severity Auto Clear

0x2800FFFF

Minor

Yes

Parameters

Name Meaning
SSD DiskN Temp

SSD temperature sensor.

N indicates the SSD number.

Impact on the System

The detection point temperature of the specified SSD cannot be properly monitored, and an alarm cannot be reported in a timely manner when the temperature is not within the normal range.

Possible Causes

  • The iBMC is not functioning.

  • The cable connecting the mainboard and the component holding the sensor is faulty.

  • The component holding the sensor is faulty.

  • The mainboard is faulty.

The location of the SSD DiskN Temp sensor varies with the server model. For details, see the user guide of the server you use.

The RH2288H V3 server is used as an example to describe how to clear the alarm. The SSD DiskN Temp sensor is located on the front hard disk backplane of the RH2288H V3 server. For details, see the RH2288H V3 Server User Guide.

Procedure

  1. Log in to the iBMC WebUI or CLI.

    For details, see the iBMC user guide of the server.

  2. Restart the iBMC.

    • To restart the iBMC on the WebUI, click Restart iBMC on the Upgrade Firmware page.
    • To restart the iBMC on the CLI, run the ipmcset -d reset command.

  3. After the iBMC starts, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

  4. Power off the server, remove and reconnect the power cables, and power on the server. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Remove and reconnect the cable between the component holding the sensor and the mainboard. Then, check whether the alarm is cleared.

    For details about the location of the sensor, see the sensor list in the server user guide. For details, see "Internal Cabling" in the user guide.

    In this example, remove and reconnect the cable between the front hard disk backplane and the mainboard. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 6.

  6. Replace the cable between the component hosting the sensor and the mainboard. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 7.

  7. Replace the component holding the sensor. Then, check whether the alarm is cleared.

    For details, see "Replacing Parts" in the server user guide.

    In this example, replace the front hard disk backplane, and then check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 8.

  8. Replace the mainboard. Check whether the alarm is cleared.

    For details about how to replace the mainboard, see "Replacing Parts" in the server user guide.

    • If yes, no further action is required.

    • NIf no, go to 9.

  9. Contact Huawei technical support.
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Updated: 2019-06-04

Document ID: EDOC1000054724

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