E20425-01 •
Chapter 4 Commands
163
Read Position Command
Read Position Data
Table 123. Read Position Data
Byte
Bit
7
6
5
4
3
2
1
0
0
BOP
EOP
BCU
BYCU
RSVD
BPU
PERR
RSVD
1
Partition Number
2
thru
3
(MSB)
Reserved
(LSB)
4
thru
7
(MSB)
First Block Location
(LSB)
8
thru
11
(MSB)
Last Block Location
(LSB)
12
Reserved
13
thru
15
(MSB)
Number of Blocks in Buffer
(LSB)
16
thru
19
(MSB)
Number of Bytes in Buffer
(LSB)
Parameter
Value
BOP:
Beginning-of-Partition
0 = Tape is not positioned at BOT
1 = Tape is positioned at BOT
EOP:
End-of-Partition:
0 = Tape is not past LEOT
1 = Tape is past LEOT
BCU:
Block Count Unknown
0 = Blocks in buffer field are valid
1 = Blocks in buffer field are invalid
BYCU:
Byte Count Unknown
0 = Byte count field is valid
1 = Byte count field is invalid
BPU:
Block Position Unknown
0 = Block positions are valid
1 = Current positions are unknown or not available
PERR:
Position Error
0 = Location fields are valid
1 = Location fields have overflowed and are invalid
Summary of Contents for Storage Tek T10000
Page 14: ...Tables xiv T10000 Interface Reference Manual January 2011 E20425 01...
Page 18: ...What s New xx T10000 Interface Reference Manual January 2011 E20425 01...
Page 82: ...Private Loop SCSI Target Discovery 64 T10000 Interface Reference Manual January 2011 E20425 01...
Page 286: ...Glossary 268 T10000 Interface Reference Manual January 2011 E20425 01...
