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

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ALM-2900FFFF Battery Low (RTC Battery/RAID controller card BBU/PCIeN Card BBU)

ALM-2900FFFF Battery Low (RTC Battery/RAID controller card BBU/PCIeN Card BBU)

Description

Alarm message:

Battery low

This alarm is generated when the following faults occur:

  • The real-time clock (RTC) battery on the mainboard fails or the RTC battery voltage is low.
  • The BBU (iBBU or supercapacitor) of the RAID controller card is faulty or the BBU voltage is low.

This alarm is generated by the following sensor:

  • RTC Battery
  • RAID controller card BBU
  • PCIeN Card BBU (N indicates a PCIe slot number.)

Attribute

Alarm ID

Alarm Severity

Auto Clear

2900FFFF

Major

Yes

Parameters

Name

Meaning

Time

Time when an alarm is generated.

Sensor

Name of the sensor that generates an alarm.

Event

Details about an alarm.

Severity

Severity of an alarm.

Event Code

Event code that corresponds to an alarm.

Impact on the System

  • The real-time clock (RTC) battery failure causes loss of data saved on the complementary metal-oxide-semiconductor (CMOS) and a system configuration error. The system operates abnormally.
  • If the BBU of the RAID controller card is faulty, the power-off protection for cache data is affected.

Possible Causes

  • The battery on the mainboard is not installed or is low in power.
  • The BBU of the RAID controller card is not installed properly.
  • The BBU of the RAID controller card is faulty.

Procedure

  1. Remove the power cables to power off the server.
  2. Check whether the mainboard battery or the BBU of the RAID controller card is installed.

  3. Install a battery or the BBU of the RAID controller cardand check whether the alarm is cleared.

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

  4. Replace the battery or the BBU of the RAID controller card and check whether the alarm is cleared.

    • Replace the iBBU or supercapacitor of the RAID controller card when the BBU is faulty.
    • Replace the mainboard when the RTC battery is faulty.

    For details, see the server user guide.

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

  5. Contact Huawei technical support for help.
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Updated: 2019-11-19

Document ID: EDOC1100035007

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