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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: PCIe Card BBU Fault (Major, PCIeN Card BBU)

Slot: PCIe Card BBU Fault (Major, PCIeN Card BBU)

Description

Alarm message:

Battery Failed

or

The [arg1] PCIe card arg2 (arg3) BBU is fault.

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

This alarm is generated by the following sensors:

PCIeN Card BBU

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2901FFFF

Major

Yes

Parameters

Name

Meaning

arg1

Location of the PCIe card. For example, front or rear.

arg2, N

Slot number of the PCIe card, for example, 1 or 2.

arg3

Type of the PCIe card.

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. Replace the BBU or supercapacitor of the RAID controller card. 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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