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Huawei Rack Server iBMC Alarm Handling 28

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x02000031 Rapid Increase of PHY Bit Errors on the Link Between the Expander Controller and Hard Disk (Disk, Major Alarm)

ALM-0x02000031 Rapid Increase of PHY Bit Errors on the Link Between the Expander Controller and Hard Disk (Disk, Major Alarm)

Description

Alarm message:

The PHY bit errors of the link between arg1 (arg2arg3) and arg4 increased too fast (SN: arg5, PN: arg6).
NOTE:

From iBMC V316, the CPU and disk alarms will also include the SN and part umber and the mainboard and memory alarms will also include the part number.

This alarm is generated when the system detects sharply increased PHY bit errors on the links between the hard disks and the expander controller.

NOTE:

Expander controllers of different servers are located on different components, such as hard disk backplanes, mainboards, and GPU boards. For details, see the user manual of each server.

Alarm object: disk

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x02000031

Major

Yes

Parameters

Name

Meaning

arg1

Component holding the expander controller, for example, Disk BP1.

arg2

Type of the expander controller, for example, SAS Expander.

arg3

No. of the expander controller.

arg4

Hard disk, for example, Disk0.

arg5

Disk serial number.

arg6

Part number.

Impact on the System

The devices (such as the RAID controller card, expander controller, and hard disks) connected to the links are affected.

Possible Causes

  • The cables are not connected correctly or firmly.
  • The cables are faulty.
  • The component holding the expander is faulty.
  • The hard disk is faulty.

Procedure

  1. Connect the cables between the component holding the expander and the hard disks. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 2.

  2. Replace the cables. Then, check whether the alarm is cleared.

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

  3. Replace the hard disks. Then, check whether the alarm is cleared.

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

  4. Replace the component holding the expander controller. Then, check whether the alarm is cleared.

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

  5. Contact Huawei technical support.

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Updated: 2019-06-04

Document ID: EDOC1000054724

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