User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Write Filemarks (10h)
Quantum DX-Series Software Interface Guide 277
Write Filemarks (10h) 3
The WRITE FILEMARKS command directs the tape drive to write the
specified number of Filemarks beginning at the current logical position
on tape. If the Immediate bit is not set, any data or Filemarks in the
WRITE cache buffer are written to tape.
Table 224 WRITE
FILEMARKS
Command Descriptor
Block - Data Format
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2-4
5
Table 225 WRITE
FILEMARKS
Command Data - Field
Descriptions
Operation Code (10h)
Logical Unit Number Reserved WSMk
(0)
Immed
(MSB)
Number of Filemarks
(LSB)
Unused Reserved
Flag (0) Link (0)
Field Name Description
WSmk Write Setmark. Must be 0. This tape drive does not
support Setmarks.