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101

Chapter 4 SCSI Commands

PERSISTENT RESERVE IN Command (5Eh)

DLT-S4 Interface Reference Guide 209

PERSISTENT RESERVE IN Command (5Eh) 4

The PERSISTENT RESERVE IN command is a 10-byte command used to

obtain information about persistent reservations and registrations active

in an DLT-S4 tape drive. This command works with the

PERSISTENT

RESERVE OUT

command.

Figure 108 PERSISTENT

RESERVE IN Command

Descriptor Block

—Data Format

Table 114 PERSISTENT

RESERVE IN Command —

Field Descriptions

Bit

7 6 5 4 3 2 1 0

Byte

0 Operation Code (5Eh)

1 Reserved Service Action

2 — 6 Reserved

7 — 8

(MSB)

Allocation Length

(LSB)

9 Control

Field Description

Service

Action

The following service action codes are available. All other values are reserved.

Code Name Description

00h Read Keys Reads all registered reservation keys.

1 2 ... 238 239 240 241 242 243 244 245 246 247 248 ... 385 386

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