IBM LTO Ultrium Tape Drive - SCSI Sense Keys and Additional Sense

These tables list all possible combinations of Sense Keys, Additional Sense Codes (ASC), and Additional Sense Code Qualifiers (ASCQ) that are reported by the device.

Sense Key 0 (No Sense)

Table 1. ASC and ASQ Summary for Sense Key 0 (No Sense)

ASC ASCQDescription
00 00 No Additional Sense Information - (unsolicited, no CA/CC)
00 00 No Additional Sense Information - EOM=B’1’ (Early Warning)
00 00 No Additional Sense Information - ILI=B’1’
00 00 No Additional Sense Information - FM=B’1’
00 01 Filemark Detected
00 02 End-of-Partition/Medium Detected (Early Warning)
00 04 Beginning-of-Partition/Medium Detected
00 16 Operation in Progress
82 82 Drive Requires Clearing

Sense Key 1 (Recovered Error)

Table 2. ASC and ASQ Summary for Sense Key 1 (Recovered Error)

ASC ASCQDescription
00 00 No Additional Sense Information
0C 00 Write Error: A write error occurred, but was recovered. Data was successfully written to tape
11 00 Read Error: A read error occurred, but was recovered. Data was successfully read from tape
17 01 Recovered Data with Retries
17 01 Recovered Data with Retries
37 00 Mode Parameters Rounded
5D 00 Failure Prediction Threshold Exceeded
5D FF Failure Prediction Threshold Exceeded (FALSE)

Sense Key 2 (Not Ready)

Table 3. ASC and ASQ Summary for Sense Key 2 (Not Ready)

ASC ASCQDescription
04 00 Logical Unit Not Ready, Cause Not Reportable: A tape is present in the drive, but it is in the process of being unloaded
04 01 Logical Unit Is in Process of Becoming Ready
04 02 Initializing Command Required: A tape is present in the drive, but it is not logically loaded
04 12 Logical Unit Not Ready, Offline
30 03 Cleaning Cartridge Installed
30 07 Cleaning Failure
3A 00 Medium Not Present
3E 00 Logical Unit Has Not Self-configured

Sense Key 3 (Medium Error)

Table 4. ASC and ASQ Summary for Sense Key 3 (Medium Error)

ASC ASCQDescription
04 10 Logical Unit Not Ready, Auxiliary Memory Not Accessible
09 00 Track Following Error (Servo)
0C 00 Write Error
11 00 Unrecovered Read Error
11 12 Auxiliary Memory Read Error
14 00 Recorded Entity Not Found
30 00 Incompatible Medium Installed
30 01 Cannot Read Medium, Unknown Format
30 02 Cannot Read Medium, Incompatible Format
30 0D Medium Error/WORM Medium - Integrity Check: Set when the drive rejects a Read operation because the current cartridge is a Suspicious WORM cartridge, and the WTRE bit is set to 0
31 00 Medium Format Corrupted
3B 00 Sequential Positioning Error
50 00 Write Append Error
51 00 Erase Failure
52 00 Cartridge Fault
53 00 Media Load or Eject Failed

Sense Key 4 (Hardware or Firmware Error)

Table 5. ASC and ASQ Summary for Sense Key 4 (Hardware or Firmware Error)

ASC ASCQDescription
04 03 Manual Intervention Required: A tape is present in the drive but could not be loaded or unloaded without manual intervention
08 01 Logical Unit Communication Failure
40 XX Diagnostic Failure: The Additional Sense Code Qualifier indicates the failing component
41 00 Data Path Failure
44 00 Internal Target Failure
51 00 Erase Failure
53 00 Media Load or Eject Failed

Sense Key 5 (Illegal Request)

Table 6. ASC and ASQ Summary for Sense Key 5 (Illegal Request)

ASC ASCQDescription
1A 00 Parameter List Length Error
20 00 Invalid Command Operation Code
24 00 Invalid Field in CDB
25 00 Logical Unit Not Supported
26 00 Invalid Field in Parameter List
29 04 Device Internal Reset
2C 00 Command Sequence Errro
3B 0C Position Past Beginning of Medium: A command that required the medium to be at BOP was attempted when the medium was not at BOP (e.g., Set Capacity)
53 02 Medium Removal Prevented
82 83 Bad Microcode Detected: The data transferred to the drive during a firmware upgrade is corrupted or incompatible with the drive hardware
A3 01 OEM Vendor-Specific Sense Key 6 (Unit Attention)

Sense Key 6 (Unit Attention)

Table 7. ASC and ASQ Summary for Sense Key 6 (Unit Attention)

ASC ASCQDescription
28 00 Not Ready to Ready Transition, Medium May Have Changed
28 01 Import or Export Element Accessed
29 00 Power On, Reset, or Bus Device Reset Occurred: This also occurs on Fibre Channel drives when a host logs in (PLOGI)
2A 01 Mode Parameters Changed
2F 00 Commands Cleared by Another Initiator
3F 03 Inquiry Data Has Changed
3F 0E Reported LUNs Data Has Changed
5D FF Failure Prediction False: A MODE SELECT command has been used to test the Failure Prediction System
5A 01 Operator Medium Removal Request

Sense Key 7 (Data Protect)

Table 8. ASC and ASQ Summary for Sense Key 7 (Data Protect)

ASC ASCQDescription
27 00 Write Protected
30 05 Cannot Write Medium, Incompatible Format
30 0D Data Protect/WORM Medium - Integrity Check: Set when the drive rejects a Write operation because the current cartridge is a Suspicious WORM cartridge
30 0C Data Protect/WORM Medium - Overwrite Attempted: Set when the drive rejects a Write operation because the rules for allowing WORM writes have not been met
52 00 Cartridge Fault

Sense Key 8 (Blank Check)

Table 9. ASC and ASQ Summary for Sense Key 8 (Blank Check)

ASC ASCQDescription
00 05 End-of-Data (EOD) Detected
14 03 End-of-Data (EOD) not Found

Sense Key B (Aborted Command)

Table 10. ASC and ASQ Summary for Sense Key B (Aborted Command)

ASC ASCQDescription
3D 00 Invalid Bits in Identify Message
3F 0F Echo Buffer Overwritten
43 00 Message Error
45 00 Select/Reselect Failure
48 00 Initiator Detected Error Message Received
49 00 Invalid Message Error
4A 00 Command Phase Error
4B 00 Data Phase Error
4E 00 Overlapped Commands
00 02 End-of-Partition/Medium Detected

Sense Key D (Volume Overflow)

Table 11. ASC and ASQ Summary for Sense Key D (Volume Overflow)

ASC ASCQDescription
00 02 End-of-Partition/Medium Detected