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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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Swi: Failed to Read Mezzanine Card Voltage (Minor, Mngmnt Health)

Swi: Failed to Read Mezzanine Card Voltage (Minor, Mngmnt Health)

Description

Alarm message:

Sensor access degraded or unavailable, Sensor is sensorname.

or

Failed to obtain data of the arg1 voltage for switch mezzanine card arg2.

This alarm is generated when the system failed to obtain the voltage of the specified detection point on the mezzanine card.

This alarm is generated by the following sensors:

Mngmnt Health

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2800FFFF

Minor

Yes

Parameters

Name

Meaning

sensorname

For example, Mezz SYS 1V, Mezz SYS 1.5V, Mezz SYS 1.8V, Mezz SYS 2.5V, Mezz SYS 3.3V, Mezz SYS 12V, and Mezz STBY 3.3V.

arg1

Voltage detection point.

For example, 1V, 1.5V, 1.8V, 2.5V, 3.3V, 12V, and standby 3.3V.

arg2

Slot number of the mezzanine card.

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 faulty.
  • The switch mezzanine card is faulty.

Procedure

  1. Restart the BMC of the switch module. 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 method:

    On the HMM CLI, run the telnet 0 1101 command, switch to the BMC CLI, and run the ipmcset -d reset command.

  2. Back up the services of the switch mezzanine card.
  3. Reseat the switch mezzanine card. Then check whether the alarm is cleared..

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

  4. Replace the switch mezzanine card. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 5.

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

Document ID: EDOC1000015902

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