SCSI Description
Quantum DLT 8000 Tape System
3-3
Table 3–1 Implemented ANSI SCSI-2 Command (continued)
Command
Code
Class
Description
MODE SELECT (6)
15h
Optional
Provides a means for the initiator to
specify device parameters.
MODE SENSE (6)/(10)
1Ah/
5Ah
Optional
Provides a means for a drive to report
parameters to the initiator.
PREVENT ALLOW
MEDIUM REMOVAL
1Eh
Optional
Requests that the target enables or
disables the removal of the medium in
the logical unit. Medium cannot be
removed if any initiator has medium
removal prevented.
READ
08h
Mandatory
Requests the drive to transfer data to the
initiator.
READ BLOCK LIMITS
05h
Mandatory
Requests that the logical unit’s block
length limits capability be returned
READ BUFFER
3Ch
Optional
Used in conjunction with the WRITE
BUFFER command as a diagnostic
function for testing target memory and
the integrity of the SCSI bus. This
command does not alter the medium.
READ POSITION
34 h
Optional
Reports the current position of the
logical unit and any data blocks in the
buffer.
RECEIVE DIAG
RESULTS
1Ch
Optional
Requests analysis data to be sent to the
initiator after completion of a SEND
DIAGNOSTIC Command.
RELEASE UNIT
17h
Mandatory
Used to release a previously reserved
logical unit.
REQUEST SENSE
03h
Mandatory
Requests the drive to
transfer sense data to
the initiator.
RESERVE UNIT
16h
Mandatory
Used to reserve a
logical unit.
SEND DIAGNOSTIC
1Dh
Mandatory
Requests the drive to perform diagnostic
operations on itself.
SPACE
11h
Mandatory
Provides a selection of positioning
functions (both forward and backward)
that are determined by the code and
count.
Summary of Contents for DLTtape DLT 8000
Page 1: ...DLTTM 8000 Tape System Product Manual Nov 10 2003 81 60118 06...
Page 5: ...USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT continued...
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Page 26: ...Table of Contents xxiv Quantum DLT 8000 Tape System...
Page 36: ...About This Manual Quantum DLT 8000 Tape System xxxii...
Page 54: ...General Description and Specifications 1 18 Quantum DLT 8000 Tape System...
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Page 376: ...Appendix A Definition of Vendor Unique Sense Data Information A 4 Quantum DLT 8000 Tape System...
Page 386: ...Appendix C Updating the Firmware C 6 Quantum DLT 8000 Tape System...
Page 396: ...Appendix E Visual Inspection Procedure for DLTtape Cartridges E 8 Quantum DLT 8000 Tape System...
Page 406: ...Appendix G DLT 7000 Emulation Feature G 8 Quantum DLT 8000 Tape System...
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