Reference Guide

Chapter 4 SCSI Commands
WRITE FILEMARKS Command (10h)
DLT-S4 Interface Reference Guide 344
WRITE FILEMARKS Command (10h) 4
The WRITE FILEMARKS command directs the tape drive to write the
specified number of Filemarks onto the tape, beginning at the current
logical position. If the Immed bit is not set to 1, the drive writes any data
or Filemarks in the
WRITE cache buffer to tape.
Figure 173 WRITE
FILEMARKS Command
Descriptor Block
— Data
Format
Bit
7 6 5 4 3 2 1 0
Byte
0 Operation Code (10h)
1 Reserved WSMK (0) Immed
2 — 4
(MSB)
Transfer Length
(LSB)
5 Control