Locate 2bh, Pre-execution checks, Command descriptor block (10-byte version) – HP Q153090901 User Manual
Page 53: Byte version), Cdb fields, Locate bh 53
LOCATE 2Bh
C
omm
an
ds
53
LOCATE
2Bh
The
LOCATE
command moves the current logical position to the position specified by the
command. The new position is specified by the offset from start of the media in terms of blocks.
The first block (that is, BOT) is block address 0.
Any unwritten data is written to tape before the command is executed.
Pre-execution checks:
Command descriptor block (10-byte version):
(16-byte version):
CDB fields:
Illegal Field
Reservation
Deferred Error
Unit Attention
Media Access
Diagnostic Status
7
6
5
4
3
2
1
0
0
Operation Code (2Bh)
1
Reserved (0)
BT (0)
CP (0)
Immed
2
Reserved (0)
3
(MSB)
Block Address
6
(LSB)
7
Reserved (0)
8
Partition (0)
9
Control
7
6
5
4
3
2
1
0
0
Operation Code (92h)
1
Reserved (0)
Dest Type
Rsvd (0)
CP (0)
Immed
2
Reserved (0)
BAM (0)
3
Partition (0)
4
(MSB)
Logical Identifier
11
(LSB)
12
Reserved (0)
14
15
Control
BT
Block address Type.
This field is not supported and should always be set to zero indicating
that the Block Address field represents the count of all blocks and filemarks between the
beginning of the media and the current logical position.