Quantum DLT-S4 Guida Utente Pagina 304

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Chapter 4 SCSI Commands
READ POSITION Command (34h)
DLT-S4 Interface Reference Guide 270
READ POSITION Command (34h) 4
The READ POSITION command reads a position identifier or SCSI Logical
Block Address (LBA). The
LOCATE command uses this identifier or LBA
for high-performance repositioning of the tape medium to a known
logical position.
Figure 134 READ POSITION
Command Descriptor Block
Data Format
Bit
7 6 5 4 3 2 1 0
Byte
0 Operation Code (34h)
1 Reserved Service Action
2 — 6 Reserved
7 — 8
(MSB)
Allocation Length
(LSB)
9 Control
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