How to remove SACD devices?

                                                  How to remove SACD devices?

Environment:

PowerPath for AIX

PowerPath for AIX 5.7

 

 

Description:

AIX host reports disk errors in errpt -a for SACD devices.

SC_DISK_ERR4          hdisk37             XIO_SACD               

                 --> VPD Information:  No Information retrieved, not an EMC Storage

                 +-> SENSE(1st line):  0A00 2500 0000 0000 0000 0004 0000 0000 0000 0000 0000 0000 0102 0000 7000 0500

                 +-> SENSE(2nd line):  0000 000A 0000 0000 2500 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000

                 ++ DECODING........:

                    - SCSI CDB length : 0A

                    - SCSI CDB        : SCSI_CMD: 25 READ CAPACITY(10)

                                        SCSI CDB        : 25000000000000000004000000000000

                    - Status validity : 01 SCSI status field is valid

                    - SCSI status     : 02 CHECK (SCSI sense is valid)

                    - Adapter status  : 00 (no adapter status set)

                    - SCSI Sense code : Response code: 70 Current errors --- Indicator bits: 00 --- Sense key: 05 ILLEGAL REQUEST

                      ASC/ASCQ: 2500 LOGICAL UNIT NOT SUPPORTED

 

 

Resolution:

Use these steps to resolve the issue:

  1. 1.Get a list of the hdisk devices that are SACD devices.

lsdev -Cc disk | grep SACD.

For a detailed step by step resolution refer to EMC Support  Solution 469765  https: //support.emc.com/kb/469765

 

 

 

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