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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: RAID Controller Card BBU Undervoltage (Major, RAID Card BBU)

Slot: RAID Controller Card BBU Undervoltage (Major, RAID Card BBU)

Description

Alarm message:

Battery low

or

RAID card arg1 BBU voltage is low.

This alarm is generated when the BBU (iBBU or supercapacitor) voltage of the RAID controller card is low.

This alarm is generated by the following sensors:

RAID Card BBU

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2900FFFF

Major

Yes

Parameters

Name

Meaning

arg1

Slot number of the RAID controller card.

Impact on the System

The cache of the RAID controller card is affected.

Possible Causes

  • The iBBU or supercapacitor of the RAID controller card is incorrectly installed.
  • The iBBU or supercapacitor of the RAID controller card is fautly.

Procedure

  1. Check whether the iBBU or supercapacitor of the RAID controller card is correctly installed..

    • If yes, go to 3.
    • If no, go to 2.

  2. Install the iBBU or supercapacitor of the RAID controller. Then, check whether the alarm is cleared.

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

  3. Replace the iBBU or supercapacitor of the RAID controller. 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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