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) |
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