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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-0x2800FFFF Sensor Access Degraded or Unavailable (Mngmnt Health, Outlet Temp)

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

Description

Alarm message:

Sensor access degraded or unavailable, Sensor is Outlet Temp.

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

Sensor triggering the alarm: Mngmnt Health

Attribute

Alarm ID Alarm Severity Auto Clear

0x2800FFFF

Minor

Yes

Parameters

Name Meaning
Outlet Temp

Air outlet temperature sensor.

Impact on the System

The temperature at the air outlet cannot be monitored, and the fan speed adjustment is affected.

Possible Causes

  • The iBMC is not functioning.

  • The component holding the outlet sensor is faulty.

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. Replace the component hosting the outlet sensor. Then, check whether the alarm is cleared.

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

    The air outlet temperature sensor of the rack server is on the mainboard.

    • If yes, no further action is required.

    • If no, go to 6.

  6. Contact Huawei technical support.
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Updated: 2019-02-28

Document ID: EDOC1000054724

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