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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: Mainboard Undervoltage (Major, SYS 0.9V/SYS 1.2V/SYS 1.25V/SYS 1.8V/SYS 2.5V/SYS Clock1 3.3V/SYS Clock2 3.3V)

Swi: Mainboard Undervoltage (Major, SYS 0.9V/SYS 1.2V/SYS 1.25V/SYS 1.8V/SYS 2.5V/SYS Clock1 3.3V/SYS Clock2 3.3V)

Description

Alarm message:

Mainboard voltage (arg1 V) at arg3 detection point is lower than the undervoltage threshold (arg2 V). 

This alarm is generated when the voltage at the detection point on the mainboard is lower than the undervoltage threshold.

This alarm is generated by the following sensors:

  • SYS 0.9V
  • SYS 1.2V
  • SYS 1.25V
  • SYS 1.8V
  • SYS 2.5V
  • SYS Clock1 3.3V
  • SYS Clock2 3.3V

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x100000B3

Major

Yes

Parameters

Name

Meaning

arg1

Current voltage of the detection point.

arg2

Alarm threshold.

arg3

Voltage detection point. For example, 0.9V, 1.2V, 1.25V, 1.8V, 2.5V, Clock1 3.3V, or Clock2 3.3V.

Impact on the System

The system stops responding.

Possible Causes

The mainboard is faulty.

Procedure

  1. Replace the switch module. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 2.

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

Document ID: EDOC1000015902

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