
SCSI Commands
Quantum DLT 4000 Tape Drive 5-157
5.26 WRITE COMMAND (0AH)
The WRITE command transfers one or more blocks from the host to the current
logical position. When in the Buffered Mode (the DLT tape drive default mode),
the tape drive reports GOOD status on WRITE commands as soon as this data
block has been transferred to the data buffer. Any check conditions will be
experienced as deferred errors. Refer to the MODE SELECT command
subsection for more information on Buffered Mode.
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (0Ah)
1 Logical Unit Number Reserved Fixed
2 - 4
(MSB)
Transfer Length
(LSB)
5 Unused Reserved Flag Link
Figure 5–78 WRITE Command Descriptor Block - Data Format
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