Tapealert Page (1Ch); Figure 4-54. Tapealert Page - Data Format; Table 4-50. Tapealert Page - Field Descriptions - Quantum DLT 1 Interface Manual

4.10.9 TapeAlert Page (1Ch)

The TapeAlert Page specifies parameters that control the TapeAlert mode select configuration.
Bit
Byte
0
1
2
3
4 - 7
8 - 11
Figure 4-54. TapeAlert Page — Data Format
Table 4-50. TapeAlert Page — Field Descriptions
Field Name
PS
Perf
DExcpt
Test
LogErr
MRIE
Interval Timer
81-81276-01 Rev A01
7 6
PS 0
Perf Reserved
Reserved
Description
Parameters Savable. Saving parameters is not supported and is 0.
Performance. This field always returns 0.
0– Indicates that the tape drive may incur higher command overhead when
processing some TapeAlert information exception conditions.
Disable Exception Operations. Disable Exceptions bit returns 1 which indicates no
TapeAlert exception conditions are generated. This is polled mode for TapeAlert.
TapeAlert Flag Test. This field always returns 0, even though the MODE SELECT
command can change it.
Log Errors. This bit always returns 0, which indicates that the logging of
informational exception conditions is specific. The tape drive reports the
informational exception condition when processing of such information is
convenient for the tape drive. Depending on resource availability within the tape
drive, processing of informational exceptions may be delayed until more
processing time and memory are available.
Method of Reporting Informational Exception. This field is ignored in MODE
SELECT since the DExcpt bit is always 1. This is the polled mode for TapeAlert.
The value in MODE SENSE is always 03h.
Not supported, this field always returns 0.
5 4
Page Code (1Ch)
Page Length (0Ah)
DExcpt
Interval Timer
Report Count / Text Flag Number
July 2004
DLT1/VS80 SCSI Interface Guide
3 2
Test Rsv'd
MRIE
1 0
LogErr
4-83