Quantum DLT-S4 Guide de l'utilisateur télécharger pdf (Page 361)

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101

Chapter 4 SCSI Commands

SET DEVICE IDENTIFIER Command (A4h/06h)

DLT-S4 Interface Reference Guide 327

SET DEVICE IDENTIFIER Command (A4h/06h) 4

The SET DEVICE IDENTIFIER command requests that the device identifier

information in the DLT-S4 tape drive be set to the value contained in the

parameter list. This information is then accessible using the

REPORT

DEVICE IDENTIFIER

command. The device identifier is persistent through

Reset and power cycles.

On successful completion of a

SET DEVICE IDENTIFIER command, the

drive generates a

UNIT ATTENTION condition for all initiators except the

one that issued the command with the Additional Sense Code set to

DEVICE IDENTIFIER CHANGED.

Figure 164 SET DEVICE

IDENTIFIER Command

Descriptor Block — Data

Format

Bit

7 6 5 4 3 2 1 0

Byte

0 Operation Code (A4h)

1 Reserved Service Action (06h)

2 — 5 Reserved

6 — 9

(MSB)

Parameter List Length

(LSB)

10 Reserved

11 Control

1 2 ... 356 357 358 359 360 361 362 363 364 365 366 ... 385 386

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