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SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands
81-81200-02 REV A01 January 2005 4-81
TST Task Set Type. The drive maintains a single task set for all initiators. Must be set
to 0.
D_Sense Descriptor Format Sense Data. Not supported. Must be set to 0.
GLTSD Global Logging Target Save Disable. Must be set to 0.
RLEC Report Log Exception Condition. When set to 1, specifies that the drive reports
log exception conditions. When set to 0, specifies that the drive does not report log
exception conditions.
The RLEC bit works with the Read / Write Error LOG SENSE page, specifically,
the TMC bit of the Read / Write Error LOG SENSE page (page 02h and 03h),
described in Table 4-24 on page 4-44.
RLEC indicates whether the drive should return CHECK CONDITION status
with Sense Key set to UNIT ATTENTION when one of the READ and WRITE
error counters of the log pages reach a specified threshold. Modify the thresholds
using the LOG SELECT command.
Queue Algorithm
Modifier
Must be set to 0.
QErr Queue Error. Must be set to 0.
DQue Disable Queuing. Must be set to 0.
TAS Task Aborted Status. Must be set to 0, indicating that tasks aborted by other
initiators do not return a status.
RAC Report a Check. Must be set to 0, indicating that the drive may return BUSY
status.
UA_Intlck_Ctrl Unit Attention Interlocks Control. Must be set to 0, indicating that the drive clears
UNIT ATTENTION conditions when they are reported.
SWP Software Write Protect. Not supported. Must be set to 0.
Autoload Mode Indicates the action the drive is to take when tape medium is loaded. All values
not listed below are reserved.
Value Description
000b The medium is loaded for full access.
001b The medium is loaded for Enhanced Medium Auxiliary
Memory (EMAM) access only.
010b The medium is not loaded.
Table 4-49. Control Mode MODE SELECT Page — Field Descriptions (Continued)
Field Name Description
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