Quantum DLT 8000 Product Manual page 105

Table 3–1 Implemented ANSI SCSI-2 Command (continued)
Command
MODE SELECT (6)
MODE SENSE (6)/(10)
PREVENT ALLOW
MEDIUM REMOVAL
READ
READ BLOCK LIMITS
READ BUFFER
READ POSITION
RECEIVE DIAG
RESULTS
RELEASE UNIT
REQUEST SENSE
RESERVE UNIT
SEND DIAGNOSTIC
SPACE
Code Class
15h Optional
1Ah/ Optional
5Ah
1Eh Optional
08h Mandatory
05h Mandatory
3Ch Optional
34 h Optional
1Ch Optional
17h Mandatory
03h Mandatory
16h Mandatory
1Dh Mandatory
11h Mandatory
Quantum DLT 8000 Tape System
Description
Provides a means for the initiator to
specify device parameters.
Provides a means for a drive to report
parameters to the initiator.
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.
Requests the drive to transfer data to the
initiator.
Requests that the logical unit's block
length limits capability be returned
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.
Reports the current position of the
logical unit and any data blocks in the
buffer.
Requests analysis data to be sent to the
initiator after completion of a SEND
DIAGNOSTIC Command.
Used to release a previously reserved
logical unit.
Requests the drive to
transfer sense data to
the initiator.
Used to reserve a
logical unit.
Requests the drive to perform diagnostic
operations on itself.
Provides a selection of positioning
functions (both forward and backward)
that are determined by the code and
count.
SCSI Description
3-3