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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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Slot: Failed to Read CPU VMCP Voltage (Minor, Mngmnt Health)

Slot: Failed to Read CPU VMCP Voltage (Minor, Mngmnt Health)

Description

Alarm message:

Sensor access degraded or unavailable, Sensor is CPUN VMCP.

or

Failed to obtain data of the CPU arg1 VMCP voltage.

This alarm is generated when the system failed to obtain the VMCP voltage of the CPU.

This alarm is generated by the following sensors:

Mngmnt Health

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2800FFFF

Minor

Yes

Parameters

Name

Meaning

arg1, N

Slot number of the CPU.

Impact on the System

The voltage cannot be monitored. No alarm will be reported when the voltage is not in the normal range.

Possible Causes

  • The BMC is abnormal.
  • The mainboard is faulty.

Procedure

  1. Restart the BMC of the compute node. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 2.
    You can restart the BMC using either of the following methods:
    • On the HMM CLI, run the telnet 0 1101 command, switch to the BMC CLI, and run the ipmcset -d reset command.
    • On the HMM WebUI, choose Chassis settings > Network Settings > Node, switch to the BMC WebUI, choose System > Firmware Upgrade, and click restart button.

  2. Reseat the compute node and then check whether the alarm is cleared.

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

  3. Replace the mainboard. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 4.

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

Document ID: EDOC1000015902

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