Chapter 4 SCSI Commands
LOG SENSE Command (4Dh)
DLT-S4 Interface Reference Guide
76
Figure 34 Log Parameters
Format for Sequential Access
Device
LOG SENSE
Page
Table 46 Sequential Access
Device
LOG SENSE
Page
Parameters — Field
Descriptions
Bit
Byte
7
6
5
4
3
2
1
0
0 — 1
(MSB)
Parameter Code
(LSB)
2
DU
DS
TSD
ETC
TMC
LBIN
LP
3
Parameter Length
4 —
n
Parameter Value
Field
Description
Parameter
Code
Parameter codes supported for the Sequential Access Device Page:
Code
Description
0000h
Host Write Byte Count. This is the number of data bytes received from
application clients during
WRITE
command operations.
0001h
Tape Write Byte Count. The number of data bytes written to the media during
WRITE
command operations, not counting ECC and formatting overhead.
0002h
Tape Read Byte Count. The number of data bytes read from the media during
READ
command operations, not counting ECC and formatting overhead.
0003h
Host Read Byte Count. The number of data bytes transferred to the initiator(s)
during
READ
command operations.
Parameter
Control Byte
Bit
Value
Description
DU
0
Disable Update.
DS
1
Disable Save.