User's Guide

Table Of Contents
Chapter 2 Media Changer Commands
Persistent Reserve Out Command (5Fh)
Quantum SuperLoader 3 Software Interface Guide 81
The following table provides detailed descriptions of each of the
PERSISTENT RESERVE OUT command’s seven possible service actions.
Service Action Codes appear in bits 0–4 of Byte 1.
Type The value of the
Type field specifies the characteristics of the persistent
reservation being established for all data blocks within the extent or within
the logical unit. Refer to table 37
on page 76 for the applicable Type codes
and their meanings. (HP drives only support
Type codes 3h, 6h, and 8h.)
Parameter List
Length
Fields contained in the
PERSISTENT RESERVE OUT parameter list specify
the reservation keys and extent information required to perform a persistent
reservation service action.
The parameter list is 24 bytes in length; the
Parameter List Length field
contains 24 (18h) bytes.
Field Name Description