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KunLun 9008 V5 Alarm Handling 04

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ALM-0x28000001 Incorrect SAS Cable Connection (Cable, Major Alarm)

ALM-0x28000001 Incorrect SAS Cable Connection (Cable, Major Alarm)

Description

Alarm message:

The SAS or PCIe cable to [arg1] disk backplane arg2 is incorrectly connected. 

This alarm is generated when the SAS or PCIe cable is connected incorrectly.

Alarm object: cable

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x28000001

Major

Yes

Parameters

Name

Meaning

arg1

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

arg2

Silkscreen of the signal port on the hard disk. For example, portA or portB.

Impact on the System

Data cannot be read or written.

Possible Causes

  • The SAS cables are connected incorrectly.
  • The SAS cables are faulty.
  • The RAID controller card is faulty.
  • The hard disk backplane is faulty.

Procedure

  1. Check whether the SAS cables are correctly connected.

  2. Connect the SAS cables in correct sequence. Then, check whether the alarm is cleared.

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

  3. Remove and reconnect the SAS cables. Then, check whether the alarm is cleared.

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

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

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

  5. Replace the RAID controller card or the riser card holding the PCIe RAID card. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 6.

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

    • If yes, no further action is required.
    • If no, go to Step 7.

  7. Getting Help.
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Updated: 2019-01-08

Document ID: EDOC1100023838

Views: 75243

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