Table 3-115 Read Position Data - Short Form - Oracle StorageTek T10000 Reference Manual

Read Position Command

TABLE 3-115 Read Position Data - Short Form

Byte 7
0 BOP
1
2 (MSB)
thru
3
4 (MSB)
thru
7
8 (MSB)
thru
11
12
13 (MSB)
thru
15
16 (MSB)
thru
19
Parameter
BOP: Beginning-of-Partition
EOP: End-of-Partition:
LOCU: Logical object count
unknown
BYCU: Byte Count Unknown
LOLU: Logical object location
unknown
PERR: Position Error
160 T10000: Interface Reference Manual
6 5
EOP BCU BYCU
Partition Number
First Logical Object Location
Last Logical Object Location
Number of Logical Objects in Object Buffer
Number of Bytes in Object Buffer
Value
0 = Tape is not positioned at BOP
1 = Tape is positioned at BOP
0 = Tape is not past LEOT
1 = Tape is past LEOT
0 = Number of logical objects in object buffer is valid
1 = Number of logical objects in object buffer is not valid
0 = Number of bytes in object buffer is valid
1 = Number of bytes in object buffer is not valid
0 = First logical object location, last logical object location or
partition number are valid
1 = First logical object location, last logical object location and
partition number are not valid
0 = Location fields are valid
1 = Location fields have overflowed and are invalid
Bit
4 3 2
RSVD LOLU
Reserved
Reserved
1 0
PERR RSVD
(LSB)
(LSB)
(LSB)
(LSB)
(LSB)
August 2016