Chapter 5 scsi commands – Quantum Instruments DLT 7000 User Manual

Page 105

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Quantum DLT 7000 Tape System

5-1

Chapter 5

SCSI COMMANDS

This chapter describes the SCSI protocol features implemented in the DLT 7000 tape system. Note
that the sections included in this chapter do not fully reiterate every ANSI SCSI message, option,
and/or command code specification; the sections do describe the supported commands, messages,
options, and error recovery procedures.

5.1

OVERVIEW OF COMMAND AND STATUS PROCESSING

The Quantum DLT 7000 tape system supports the SCSI commands listed in
Table 5–1. The subsection of this chapter that details each of the SCSI
commands is listed in the “Section” column.

Table 5–1 Supported SCSI Commands

Command

Operation Code

Section

ERASE

19h

5.3

INQUIRY

12h

5.4

LOAD UNLOAD

1Bh

5.5

LOCATE

2Bh

5.6

LOG SELECT

4Ch

5.7

LOG SENSE

4Dh

5.8

MODE SELECT (6 / 10)

15h / 55h

5.9

MODE SENSE (6 / 10))

1Ah / 5Ah

5.10

PREVENT ALLOW MEDIUM REMOVAL

1Eh

5.11

READ

08h

5.12

READ BLOCK LIMITS

05h

5.13

READ BUFFER

3Ch

5.14

READ POSITION

34h

5.15

RECEIVE DIAGNOSTIC RESULTS

1Ch

5.16

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