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SCSI Commands
5-2 Quantum DLT 7000 Tape System
Table 5–1 Supported SCSI Commands (continued)
Command Operation Code Section
RELEASE UNIT 17h 5.17
REQUEST SENSE 03h 5.18
RESERVE UNIT 16h 5.19
REWIND 01h 5.20
SEND DIAGNOSTIC 1Dh 5.21
SPACE 11h 5.22
TEST UNIT READY 00h 5.23
VERIFY 13h 5.24
WRITE 0Ah 5.25
WRITE BUFFER 3Bh 5.26
WRITE FILEMARKS 10h 5.27
NOTES
Relative Addressing is not supported by the tape drive. Therefore, in all I/O
commands, the RelAdr bit must be 0.
RESERVE UNIT and RELEASE UNIT by Logical Unit Number are supported, as are
third-party reservations. Extent reservations are not supported.
The RECEIVE DIAGNOSTIC RESULTS and SEND DIAGNOSTIC DATA commands
implement vendor-unique pages to test the drive during the manufacturing
process. It is recommended that initiators specify only the non-page format
variants of these commands (PF=0), except for page 0x40.
The DLT tape drive does not act as an initiator on the SCSI bus. Therefore, the drive
will not 1) generate unsolicited interrupts to the host, 2) initiate its own SCSI
commands, or 3) assert bus reset.
Linked commands are supported.
Untagged queuing is supported.