User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Log Sense (4Dh)
158 Quantum DX-Series Software Interface Guide
Log Sense (4Dh) 3
The LOG SENSE command allows the host to retrieve statistical
information maintained by the tape drive about its own hardware
parameters or about the installed tape medium. It is a complementary
command to LOG SELECT.
Table 109 LOG
SENSE Command
Descriptor Block -
Data Format
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2
3-4
5-6
7-8
9
Tech Tip: Log pages 2 and 3 are cleared when the unload
command is received by a virtual drive in the DX-
Series system.
Operation Code (4Dh)
Logical Unit Number
(0)
Reserved PPC SP(0)
PC Page Code
Reserved
(MSB)
Parameter Pointer
(LSB)
(MSB)
Allocation Length
(LSB)
Unused Reserved Flag (0)Link (0)