List of SCSI Commands
When a command is defined in multiple CDB sizes, the length of the CDB is given in parentheses after the command name, e.g., READ(6) and READ(10).
| Code | Command |
|---|---|
| 00 | TEST UNIT READY |
| 01 | REWIND |
| 03 | REQUEST SENSE |
| 04 | FORMAT |
| 05 | READ BLOCK LIMITS |
| 07 | REASSIGN BLOCKS |
| 07 | INITIALIZE ELEMENT STATUS |
| 08 | READ(6) |
| 0A | WRITE(6) |
| 0B | SEEK(6) |
| 0F | READ REVERSE(6) |
| 10 | WRITE FILEMARKS(6) |
| 11 | SPACE(6) |
| 12 | INQUIRY |
| 13 | VERIFY(6) |
| 14 | RECOVER BUFFERED DATA |
| 15 | MODE SELECT(6) |
| 16 | RESERVE(6) |
| 17 | RELEASE(6) |
| 18 | COPY |
| 19 | ERASE (6) |
| 1A | MODE SENSE (6) |
| 1B | START STOP UNIT |
| 1B | LOAD UNLOAD |
| 1C | RECEIVE DIAGNOSTIC RESULTS |
| 1D | SEND DIAGNOSTIC |
| 1E | PREVENT ALLOW MEDIUM REMOVAL |
| 23 | READ FORMAT CAPACITIES |
| 25 | READ CAPACITY(10) |
| 28 | READ(10) |
| 29 | READ GENERATION |
| 2A | WRITE(10) |
| 2B | SEEK(10) |
| 2B | LOCATE(10) |
| 2C | ERASE(10) |
| 2D | READ UPDATED BLOCK |
| 2E | WRITE AND VERIFY(10) |
| 2F | VERIFY(10) |
| 33 | SET LIMITS(10) |
| 34 | PRE-FETCH(10) |
| 34 | READ POSITION |
| 35 | SYNCHRONIZE CACHE(10) |
| 36 | LOCK UNLOCK CACHE(10) |
| 37 | READ DEFECT DATA(10) |
| 37 | INITIALIZE ELEMENT STATUS WITH RANGE |
| 38 | MEDIUM SCAN |
| 39 | COMPARE |
| 3A | COPY AND VERIFY |
| 3B | WRITE BUFFER |
| 3C | READ BUFFER |
| 3D | UPDATE BLOCK |
| 3E | READ LONG(10) |
| 3F | WRITE LONG(10) |
| 40 | CHANGE DEFINITION |
| 41 | WRITE SAME(10) |
| 44 | REPORT DENSITY SUPPORT |
| 45 | PLAY AUDIO(10) |
| 46 | GET CONFIGURATION |
| 47 | PLAY AUDIO MSF |
| 48 | SANITIZE |
| 4A | GET EVENT STATUS NOTIFICATION |
| 4B | PAUSE/RESUME |
| 4C | LOG SELECT |
| 4D | LOG SENSE |
| 50 | XDWRITE(10) |
| 51 | XPWRITE(10) |
| 51 | READ DISC INFORMATION |
| 52 | XDREAD(10) |
| 53 | XDWRITEREAD(10) |
| 54 | SEND OPC INFORMATION |
| 55 | MODE SELECT(10) |
| 56 | RESERVE(10) |
| 57 | RELEASE(10) |
| 58 | REPAIR TRACK |
| 5A | MODE SENSE(10) |
| 5B | CLOSE TRACK/SESSION |
| 5C | READ BUFFER CAPACITY |
| 5D | SEND CUE SHEET |
| 5E | PERSISTENT RESERVE IN |
| 5F | PERSISTENT RESERVE OUT |
| 7E | extended CDB |
| 7F | variable length CDB |
| 80 | XDWRITE EXTENDED(16) |
| 80 | WRITE FILEMARKS(16) |
| 81 | READ REVERSE(16) |
| 83 | Third-party Copy OUT commands |
| 84 | Third-party Copy IN commands |
| 85 | ATA PASS-THROUGH(16) |
| 86 | ACCESS CONTROL IN |
| 87 | ACCESS CONTROL OUT |
| 88 | READ(16) |
| 89 | COMPARE AND WRITE |
| 8A | WRITE(16) |
| 8B | ORWRITE |
| 8C | READ ATTRIBUTE |
| 8D | WRITE ATTRIBUTE |
| 8E | WRITE AND VERIFY(16) |
| 8F | VERIFY(16) |
| 90 | PRE-FETCH(16) |
| 91 | SYNCHRONIZE CACHE(16) |
| 91 | SPACE(16) |
| 92 | LOCK UNLOCK CACHE(16) |
| 92 | LOCATE(16) |
| 93 | WRITE SAME(16) |
| 93 | ERASE(16) |
| 9D | SERVICE ACTION BIDIRECTIONAL |
| 9E | SERVICE ACTION IN(16) |
| 9F | SERVICE ACTION OUT(16) |
| A0 | REPORT LUNS |
| A1 | ATA PASS-THROUGH(12) |
| A2 | SECURITY PROTOCOL IN |
| A3 | MAINTENANCE IN |
| A4 | MAINTENANCE OUT |
| A4 | REPORT KEY |
| A5 | MOVE MEDIUM |
| A5 | PLAY AUDIO 12 |
| A6 | EXCHANGE MEDIUM |
| A7 | MOVE MEDIUM ATTACHED |
| A8 | READ(12) |
| A9 | SERVICE ACTION OUT(12) |
| AA | WRITE(12) |
| AB | SERVICE ACTION IN(12) |
| AC | ERASE(12) |
| AD | READ DVD STRUCTURE |
| AE | WRITE AND VERIFY(12) |
| AF | VERIFY(12) |
| B0 | SEARCH DATA HIGH(12) |
| B1 | SEARCH DATA EQUAL(12) |
| B2 | SEARCH DATA LOW(12) |
| B3 | SET LIMITS(12) |
| B4 | READ ELEMENT STATUS ATTACHED |
| B5 | SECURITY PROTOCOL OUT |
| B6 | SEND VOLUME TAG |
| B7 | READ DEFECT DATA(12) |
| B8 | READ ELEMENT STATUS |
| B9 | READ CD MSF |
| BA | REDUNDANCY GROUP (IN) |
| BB | REDUNDANCY GROUP (OUT) |
| BC | SPARE (IN) |
| BD | SPARE (OUT) |
| BE | VOLUME SET (IN) |
| BF | VOLUME SET (OUT) |
Read more about this topic: SCSI Command
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