T5-2 : Disk LED's not operational : All the disks are working normal without any LED's.

Asset ID:	1-72-2119085.1
Update Date:	2017-07-12
Keywords:

Solution Type Problem Resolution Sure

Solution 2119085.1 : T5-2 : Disk LED's not operational : All the disks are working normal without any LED's.

Applies to:

SPARC T5-2 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.
T5-2 : Disk LED's not operational : All the disks are working normal without any LED's.

Symptoms

This issue is specific to SPARC T5-2, the Disk on the SPARC T5-2 system are functioning but the individual LED [ Green OK, Amber Service Required and Blue Ready to Remove ] on ALL of the disk are non functional.

T5-2 Disk LED

Cause

In this example the Disk BackPlane was encountering POST errors

Solution

STEP 1.] Power Down the Platform [ stop /SYS ]
STEP 2.] Physically reseat ALL the Drives
STEP 3.] Set Diag to max from ILOM [ set /HOST/diag level=max ]
STEP 4.] Power On the platform [ start /SYS ]
STEP 5.] After completing POST and if the LEDs are still not functional kindly run "fmadm faulty" ( ILOM or Solaris )
and verify if the following error is reported on /SYS/SASBP.

2016-03-04/12:21:24 1849d5be-339a-6ecd-e1f3-fcb0d0995e66 SPT-8000-1Q

timestamp ereports
2016-03-04/12:21:20 ereport.chassis.post.dev.test-fail@/SYS/SASBP
                    IPOSTReport = ERROR
                    detector = /SYS/SASBP/LED_CTLR
                    TestTitle = MG9073 Ipost Read Test
                    Operation = I2C Register Read
                    Bus = 0x06
                    MuxChannel = 0x00
                    SlaveAddr = 0x54
                    RegAddr = 0x00000030
                    ReportEnd = ReportEnd

2016-03-04/12:21:20 ereport.chassis.post.dev.test-fail@/sys/sasbp

fault = fault.chassis.device.fail@/SYS/SASBP
    certainty = 100.0 %
    FRU = /SYS/SASBP
    ASRU = /SYS/SASBP
    resource = /SYS/SASBP
    _list_sz = 1
    _list_idx = 0
    _diagnosis_engine_version = 1.0
    _diagnosis_engine_name = fdd
    system_serial_number = AK002XXXXX
    system_part_number = 33203139+5+1
    system_name = SPARC T5-2
    system_manufacturer = Oracle Corporation
    chassis_serial_number = AK002XXXXX
    chassis_part_number = 33203139+5+1
    chassis_name = SPARC T5-2
    chassis_manufacturer = Oracle Corporation
    system_component_serial_number = AK002XXXXX
    system_component_part_number = 33203139+5+1
    system_component_name = SPARC T5-2
    system_component_manufacturer = Oracle Corporation
    fru_name = DISK_BP
    fru_manufacturer = 9615 HON HAI PRECISION CO. LTD SHENZHEN GUANGDONG CN
    fru_serial_number = 464507L+1345110080
    fru_rev_level = 02
    fru_part_number = 7039457
    detector = /SYS/SASBP/LED_CTLR

STEP 6.] Open a new Oracle Service Request and Upload the latest snapshot

If the customer experiences the symptoms documented in this article, consider to replace the disk BackPlane [ /SYS/SASBP ]

References

<NOTE:1020204.1> - Collecting snapshot on ILOM 3.x and later platforms

Attachments

This solution has no attachment