Interpreting SENSE DATA in AIX errpt
From Wikistix
Disk and tape errors under AIX usually generate "SENSE DATA" in errpt. This hexidecimal data can be interpretted, if you know where to look.
An example tape error follows, with the SCSI Reponse Code, SCSI Additional Sense Code (ASC) and SCSI Additional Sense Code Qualifier (ASCQ) noted. The position of the ASC/ASQ fields is valid for reponse codes 0x70 and 0x71.
LABEL: TAPE_ERR1
IDENTIFIER: 4865FA9B
Date/Time: Wed Nov 8 06:21:28 EDT 2006
Sequence Number: 123875
Machine Id: xxxxxxxxxxxx
Node Id: xxxxxxxx
Class: H
Type: PERM
Resource Name: rmt713
Resource Class: tape
Resource Type: 3580
Location: U7311.D11.xxxxxxx-P1-C1-T1-Wxxxxxxxxxxxxxxxx-L0
VPD:
Manufacturer................IBM
Machine Type and Model......ULT3580-TD2
Serial Number...............xxxxxxxxxx
Device Specific.(FW)........5AT0
Description
TAPE OPERATION ERROR
Probable Causes
TAPE
User Causes
MEDIA DEFECTIVE
DIRTY READ/WRITE HEAD
Recommended Actions
FOR REMOVABLE MEDIA, CHANGE MEDIA AND RETRY
PERFORM PROBLEM DETERMINATION PROCEDURES
Detail Data
SENSE DATA
0600 0000 1101 0000 0E00 0000 0000 0000 0102 0000 F000 0300 0000 011C 0000 0000
^^- lower 7 bits = "Response code"
^^- lower 4 bits = "Sense Key"
1400 3600 6353 7282 0001 4243 3034 3037 4C36 0000 C2B3 AD23 0000 0000 0000 0000
^^- SCSI Additional Sense Code (ASC)
^^- SCSI Additional Sense Code Qualifier(ASCQ)
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
