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FusionServer Pro E9000 Server iBMC (Earlier than V250) Alarm Handling 02

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ALM-2901FFFF Major Alarm Caused by a BBUFault (RAID Card BBU/PCIeN Card BBU)

ALM-2901FFFF Major Alarm Caused by a BBUFault (RAID Card BBU/PCIeN Card BBU)

Description

Alarm message:

Battery Failed

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

This alarm is generated by the following sensor:

  • RAID Card BBU
  • PCIeN Card BBU (N indicates a PCIe slot number.)

Attribute

Alarm ID

Alarm Severity

Auto Clear

2901FFFF

Major

Yes

Parameters

Name

Meaning

Time

Indicates the time when an alarm is generated.

Sensor

Name of the sensor that generated the alarm.

Event

Provides detailed information about the alarm.

Severity

Indicates the severity of the alarm.

Event Code

Indicates the event code of an alarm.

Impact on the System

If the iBBU or supercapacitor of the RAID controller card is faulty, the power-off protection for cache data is affected.

Possible Causes

  • The BBU triggers the replacement alarm.
  • The BBU learn cycle fails.
  • The BBU learn cycle times out.
  • The BBU triggers an pre-alarm.
  • The capacity of the BBU (supercapacitor only) is low.
  • The BBU has no capacity for cache-offload.

Procedure

  1. Power off the server, and remove the power cables from the server.
  2. Replace the BBU for the RAID controller card.
  3. After the server is powered on again and the OS startup is complete, check whether the alarm is cleared.

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

  4. Contact Huawei technical support.
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Updated: 2019-11-19

Document ID: EDOC1100035007

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