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