Quantum 1200 Series DAT Autochanger Uživatelská příručka stáhnout pdf (Strana 202)

READ ATTRIBUTE Command (8Ch) SDLT 600 SCSI Interface Guide

4-160 January 2005 81-81200-02 REV A01

ATTRIBUTE LIST Service Action

The READ ATTRIBUTE command with the ATTRIBUTE LIST service action returns parameter data

containing the attribute identifiers for the specified partition and volume number. The contents of the

First Attribute Identifier field in the CDB are ignored. The returned parameter data contains the

requested attribute identifiers in ascending numerical order by attribute identifier value and using the

format shown in Figure 4-86.

Figure 4-86. READ ATTRIBUTE with ATTRIBUTE LIST Service Action — Parameter List

Format

Bit

Byte

7 6 5 4 3 2 1 0

0 – 3

(MSB)

Available Data (n – 3)

(LSB)

4 – 5 Attribute Identifier 0

n – 1 –

Attribute Identifier x

Table 4-92. READ ATTRIBUTE with ATTRIBUTE LIST Service Action Parameter Data — Field

Descriptions

Field

Name

Description

Available

Data

Contains the number of bytes of attribute information in the parameter list. If the

parameter list is truncated as a result of insufficient allocation length, the contents

of the Available Data field are not altered.

Attribute

Identifier

Contains a 2-byte attribute ID. The attribute IDs are listed in Table 4-98 on

page 4-165, Table 4-102 on page 4-175, and Table 4-104 on page 4-177.

1 2 ... 197 198 199 200 201 202 203 204 205 206 207 ... 293 294

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