SCSI Command - List of SCSI Commands

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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