Reference Guide

Chapter 4 SCSI Commands
MODE SENSE (6) / (10) Command (1Ah / 5Ah)
DLT-S4 Interface Reference Guide 172
Table 97 Control Mode MODE
SENSE Page — Field
Descriptions
Field Description
PS Parameters Savable. Always set to 0.
SPF SubPage Format. Always set to 0. Indicates that this page uses the page_0 page
format.
Page Code Identifies the type of
MODE SENSE page being transferred. A value of 0Ah
identifies this as the Control Mode page.
Page Length Indicates the number of bytes, excluding bytes 0 and 1.
TST Task Set Type. Always set to 1. The drive maintains a separate task sets for each
initiator.
D_Sense Descriptor Format Sense Data. Always set to 0. The drive always returns fixed-
format autosense data.
GLTSD Global Logging Target Save Disable. Always set to 0.
RLEC Report Log Exception Condition. Indicates whether the drive returns
CHECK
CONDITION
status with Sense Key set to UNIT ATTENTION (06h) when one of its
WRITE and READ error counters reaches a specified threshold.
When set to 0, indicates that the drive does not return
UNIT ATTENTION when a
threshold has been met.
When set to 1, indicates that the drive returns
UNIT ATTENTION when a threshold
is met.
Queue Algorithm
Modifier
Always set to 0.
QErr Queue Error. Always set to 0.
DQue Disable Queuing. Always set to 0.
TAS Task Aborted Status. Always set to 0. The drive does not return a status for tasks
aborted by the actions of other initiators.
RAC Report a Check. Always set to 0. The drive returns
BUSY status rather than CHECK
CONDITION
status during long busy conditions.
UA_Intlck_Ctrl Unit Attention Interlocks Control. Always set to 00b. The drive clears all
UNIT
ATTENTION
conditions when they are reported.
SWP Software Write Protect. Always set to 0.