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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, CPUN VRD Temp)

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

Description

Alarm message:

Sensor access degraded or unavailable, Sensor is CPUN VRD Temp.

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

Sensor triggering the alarm: Mngmnt Health

Attribute

Alarm ID Alarm Severity Auto Clear

0x2800FFFF

Minor

Yes

Parameters

Name Meaning
CPUN VRD Temp

Name of the temperature sensor.

N indicates the CPU number.

Impact on the System

The VRD Temp detection point temperature of the specified CPU 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 mainboard 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 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.

    • If no, go to 6.

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

Document ID: EDOC1000054724

Views: 216083

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