Intel RAID Controllers Alert Code Decoding White Paper

Intel® RAID Controllers: SAS Software Stack Appendix A
Revision 1.0
iii
Table of Contents
1. Decoding Intel® RAID Sense Code Messages ..................................................................6
1.1 Purpose ........................................................................................................................... 6
1.2 RAID Logs .......................................................................................................................6
1.3 RAID Log Events ............................................................................................................. 6
1.4 Unexpected Sense Code Event Format .......................................................................... 7
1.5 SCSI CDB Command Decode......................................................................................... 7
1.6 Decoding Key SCSI CDB Commands ........................................................................... 10
1.7 Sense Codes (SK, ASC, ASCQ).................................................................................... 12
1.8 The Error Code .............................................................................................................. 13
1.9 The Sense Key, Additional Sense Code, and Additional Sense Code Qualifier............ 13
1.10 Multiple Sense Codes................................................................................................. 20
Appendix A: SCSI ASC/ASCQ Assignments ..........................................................................21