Reference Guide

Chapter 4 SCSI Commands

SET DEVICE IDENTIFIER Command (A4h/06h)

DLT-S4 Interface Reference Guide 328

Table 183 SET DEVICE

IDENTIFIER Command

Descriptor Block — Field

Descriptions

The SET DEVICE IDENTIFIER parameter list contains the identifier to be set

by the drive.

Figure 165 SET DEVICE

IDENTIFIER Parameter List —

Data Format

Table 184 SET DEVICE

IDENTIFIER Parameter List —

Field Description

Service Action A service action of 06h identifies this as the

SET DEVICE IDENTIFIER command.

Parameter List

Length

Specifies the length in bytes of the Identifier that is transferred from the application

client to the tape drive. The maximum value for this field is 64 bytes. A Parameter

List Length of 0 indicates that no data is to be transferred and that subsequent

REPORT DEVICE IDENTIFIER commands return an Identifier length of 0.

Bit

7 6 5 4 3 2 1 0

Byte

0 — n Identifier

Field Description

Identifier The Identifier field is a vendor-specific value. This

value is returned by all subsequent

REPORT

DEVICE IDENTIFIER

commands, until replaced by

another valid

SET DEVICE IDENTIFIER command.