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FusionServer Pro Rack Server iBMC Alarm Handling 31

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.

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ALM-0x05000001 Drive Backplane Power Failure (Drive Backplane, Major Alarm)

ALM-0x05000001 Drive Backplane Power Failure (Drive Backplane, Major Alarm)

Description

Alarm message:

Power supply to [arg1] drive backplane [arg2] failed (SN: arg3, BN: arg4).

From iBMC V370, this alarm also includes the serial number and BOM code of the drive backplane.

This alarm is generated when the power supply to the drive backplane is abnormal.

Alarm object: drive backplane

Attribute

Alarm ID Alarm Severity Auto Clear

0x05000001

Major

Yes

Parameters

Name Meaning

arg1

Location of the drive backplane. For example, rear, inner, or front.

arg2

Power supply type. For example, 5V or 12V.

arg3

Drive backplane serial number.

arg4

BOM code.

Impact on the System

The backplane drive cannot work properly. As a result, related services may run abnormally or data may be lost.

Possible Causes

  • The cable between the drive backplane and the mainboard is faulty.
  • The drive backplane is faulty.

Procedure

  1. Completely power off the server by disconnecting the AC power cables, and remove and reconnect the cable of the drive backplane. After the server is powered on, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Completely power off the server, and replace the cable of the drive backplane. After the server is powered on, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Completely power off the server, and replace the drive backplane. After the server is powered on, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

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

Document ID: EDOC1000054724

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