Quantum SuperLoader 3 Guide de l'utilisateur télécharger pdf (Page 87)

Chapter 2 Media Changer Commands

Persistent Reserve In Command (5Eh)

Quantum SuperLoader 3 Software Interface Guide 71

The figure and table below illustrate and describe the data fields of Read

Key

data parameters.

Figure 46 Read Keys

Parameters

Allocation

Length

This field indicates how much space has been reserved for the returned

parameter list (

Read Keys or Read Reservations parameters). The actual length

of the parameter data is indicated in the parameter data field for those

parameters.

If the

Allocation Length is not sufficient to contain the entire list of parameters,

the first portion of the list that does fit is returned. If it is determined that the

remainder of the list is required, the client should send a new

PERSISTENT

RESERVE IN

command with an Allocation Length field large enough to contain

the entire list of parameters.

Bit

Byte76543210

0 - 3

(MSB)

Generation

(LSB)

4 - 7

(MSB)

Additional Length (n – 7)

(LSB)

(Reservation Key List Follows in Bytes 8 – n)

8 - 15

(MSB)

First Reservation Key

(LSB)

•••

Field Name Description

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 159 160

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Quantum SuperLoader 3 Guide de l'utilisateur Page 87