Location:        P1.1-I3/Q1-W5003013D38321011-L1000000000000 
VPD: 
        Manufacturer................IBM 
        Machine Type and Model......3572-TL 
        Serial Number...............X2U78B0384 
        Device Specific.(FW)........4.09 (Firmware Level) 
Description 
TAPE DRIVE FAILURE 
Probable Causes 
TAPE DRIVE 
Failure Causes 
TAPE 
TAPE DRIVE 
        Recommended Actions 
        PERFORM PROBLEM DETERMINATION PROCEDURES 
Detail Data 
aabb xxxx ccdd eeee eeee eeee eeee eeee ffgg hhxx ssss ssss ssss ssss ssss .... 
aa Length of the Command Descriptor Block (CDB) sent by the host. In this case,  
“0C” bytes. 
bb SCSI target address. In this example, SCSI address “00”. 
xx Unused or reserved. 
cc Start of CDB, cc is the operation code (byte 0). In this case, “A5” which  
was an “Move Medium”. 
SENSE DATA 
0C00 0000 A500 0000 100F 1010 0000 0000 0102 0000 7000 0400 0000 000A 0000 0000 
818F 0000 BE00 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
Table 1. Library sense data example
Hex Description
A5 SCSI Command (in this case Move Medium).
70 Byte 0 of Library Sense Data (Valid Data).
04 Sense Key (in this case Hardware Error).
818F ASC/ASCQ (extra sense code/additional sense code qualifier), in this case a “Cannot Find Slider Block” error.
SCSI sense data - tape drive error
The following example of SCSI Sense Data was received from a System p Open System host and shows a Tape Drive Failure and what the sense data would look like. Like
the SCSI sense data in the previous example, this data contains valid sense data as defined by the hex “71” in the first sense byte position. Therefore, there is valid data to
rely on. While the data shows a TAPE_ERR2, further review of the ASC/ASCQ (Media Load or Eject Failed) points more to a problem with the media or the drive. The fact
that a FID was listed ("86") defines the failure as "The drive detected a drive hardware or media fault". In this case, follow the FID to make a repair. For more information
about Sense Key and ASC/ASCQ fields, see the IBM LTO Ultrium Tape Drive SCSI Reference.
LABEL:          TAPE_ERR2 
IDENTIFIER:     476B351D 
Date/Time:       Wed May 09 07:51:42 DFT 
Sequence Number: 1669 
Machine Id:      0046083B4C00 
Node Id:         risc4 
Class:           H 
Type:            PERM 
Resource Name:   rmt0 Resource Class:  tape Resource Type:   LTO  
Location:        P1.1-I3/Q1-W5003013D38321011-L0 
VPD: 
        Manufacturer................IBM         
        Machine Type and Model......ULT3573-TD4         
        Serial Number...............1300000680 
        Device Specific.(FW)........74H4 (Firmware Level) 
        Loadable Microcode Level....A1700D5C 
Description 
TAPE DRIVE FAILURE 
Probable Causes 
TAPE DRIVE 
Failure Causes 
TAPE 
TAPE DRIVE 
Recommended Actions 
        PERFORM PROBLEM DETERMINATION PROCEDURES 
Detail Data 
SENSE DATA 
0600 0000 0000 0000 0000 0000 0000 0000 0102 0000 7100 0400 0000 0058 0000 0000 
5300 8602 8E07 0000 0001 0110 0001 0000 0000 0000 0200 0000 0000 0000 0000 0000 
0000 0000 0000 0000 0000 0000 0000 0000 0000 2800 01E0 0000 0000 0000 4133 3820