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SCSI Commands
Information Exceptions Mode Page
Field
Bytes
Bits
Active For-
2
0-4
mat
Active Parti-
3
tion
Write Buffer
4
Full Ratio
Read Buffer
5
Empty Ratio
Write
6-7
Delay time
DBR
8
7
BIS
8
6
RSmk
8
5
AVC
8
4
SOCF
8
2-3
RBO
8
1
REW
8
0
Gap Size
9
EOD Defined
10
5-7
EEG
10
4
SEW
10
3
Buffer Size at
11-13
Early Warn-
ing
Select Data
14
Compression
Algorithm
Reserved
The Information Exceptions Mode Page controls exception reporting via the
TapeAlert log page.
Bits
Byte
7
6
0
Reserved
1
2
Perf
Reserved
3
Reserved
4
5
6
7
8
Description
Always 0, indicating that changing formats is not supported
Always 0, indicating that multiple partitions are not supported
Always 0, indicating that buffer management is handled by the
drive.
Always 0, indicating that buffer management is handled by the
drive.
For a WRITE command, the Write Delay Time field indicates to the
drive how long in 100 millisecond increments, to delay writing buff-
ered data to tape after the last WRITE command.
Always 0, indicating that Data Buffer Recovery is not supported.
Always 1, indicating that Block Identifiers are Supported
Always 0, indicating that Report Set Marks is not supported.
Always 0, indicating that Automatic Velocity Control is managed by
the drive.
Always 0, indicating that Stop On Consecutive Filemarks is not
supported.
Always 0, indicating that Recover Buffer Order is not supported.
Always 0, indicating that Report Early Warning for Read type com-
mands is not supported.
Always 0, indicating that there is no concept of inter-block gaps in
the LTO format.
Always 0, indicating the logical unit's default EOD definition.
Always 1, indicating that EOD generation is always enabled.
1 = In the Early Warning Zone the drive operates in unbuffered
mode (default).
0 = The Buffered Mode set in the Mode Select Parameter Header
controls drive buffering in the Early Warning Zone.
Always 0, indicating that this cannot be set.
0 = Use pass through mode; do not compress data (not recom-
mended).
1 = Use default auto-compression scheme (recommended default)
All reserved bits must be 0.
5
4
3
Page Code (1Ch)
Page Length (0Ah)
DExcept Test
MRIE
Interval Timer, MSB
Interval Timer
Interval Timer
Interval Timer, LSB
Test Flag Number, MSB
Page 59
2
1
0
Reserved LogErr
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