Reference Guide

Chapter 4 SCSI Commands
PERSISTENT RESERVE OUT Command (5Fh)
DLT-S4 Interface Reference Guide 220
Table 121 illustrates the format of the PERSISTENT RESERVE OUT
command.
Table 121 PERSISTENT
RESERVE OUT Command
Descriptor Block
— Data
Format
Table 122 PERSISTENT
RESERVE OUT Command —
Field Descriptions
Bit
7 6 5 4 3 2 1 0
Byte
0 Operation Code (5Fh)
1 Reserved Service Action
2 Scope Type
3 — 6 Reserved
7 — 8
(MSB)
Parameter List Length (18h)
(LSB)
9 Control
Field Description
Service
Action
The following service action codes are available. All other values are reserved.
Code Name Description
00h Register Registers a Reservation Key with the drive.
01h Reserve Creates a persistent reservation using a Reservation
Key.