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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-0x1B01FFFF Incorrect Cable Connected/Incorrect Interconnection (SAS Cable)

ALM-0x1B01FFFF Incorrect Cable Connected/Incorrect Interconnection (SAS Cable)

Description

Alarm message:

Incorrect cable connected/Incorrect interconnection

This alarm is generated when the SAS cable connection is incorrect.

Sensor triggering the alarm: SAS Cable

Attribute

Alarm ID Alarm Severity Auto Clear

0x1B01FFFF

Major

Yes

Impact on the System

If the SAS cables are incorrectly connected, the system cannot detect all disks.

Possible Causes

  • The SAS cables are connected incorrectly.

  • The SAS cables are faulty.

  • The component connected to the SAS cable is faulty.

Procedure

  1. Check whether the SAS cables are connected correctly.

    For details about the SAS cable connection sequence, see "Internal Cabling" in the server user guide.

    • If yes, go to 2.

    • If no, go to 3.

  2. Remove and reinstall the SAS cables. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Replace the SAS cables. Then, check whether the alarm is cleared.

    For details about how to replace the SAS cables, see "Replacing Parts" in the server user guide.

    • If yes, no further action is required.

    • If no, go to 4.

  4. Replace the RAID card or the RAID riser card. Then, check whether the alarm is cleared.

    For details, see "Replacing Parts" in the server user guide.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Replace the hard disk backplane. Then, check whether the alarm is cleared.

    For details about how to replace the hard disk backplane, see "Replacing Parts" in the server user guide.

    • If yes, no further action is required.

    • f no, go to 6.

  6. Contact Huawei technical support.
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Updated: 2019-06-04

Document ID: EDOC1000054724

Views: 262811

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