Quantum Instruments DLT 7000 - Manual (Page 136)

SCSI Commands
5-32 Quantum DLT 7000 Tape System
5.7 LOG SELECT COMMAND (4Ch)
The LOG SELECT command allows the host to manage statistical information
maintained by the tape drive about its own hardware parameters or about the
installed tape medium. The description should be read in conjunction with the
description of the LOG SENSE command that follows it and provides the user
with information about log page format, parameters, and supported pages.
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (4Ch)
1 Logical Unit Number (0) Reserved PCR SP
2 PC Reserved
3 - 6 Reserved
7 - 8
(MSB)
Parameter List Length
(LSB)
9 Unused Reserved Flag Link
Figure 5–13 LOG SELECT Command Descriptor Block - Data Format