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SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-159

ATTRIBUTE VALUES Service Action

The READ ATTRIBUTE command with the ATTRIBUTE VALUES service action returns parameter

data containing the attributes specified by the Partition Number, Volume Number, and First Attribute

Identifier fields in the CDB.

The returned parameter data contains the requested attributes in ascending numerical order by attribute

identifier value, using the format shown in Figure 4-85.

Figure 4-85. READ ATTRIBUTE with ATTRIBUTE VALUES Service Action — Parameter List

Format

Bit

Byte

7 6 5 4 3 2 1 0

0 – 3

(MSB)

Available Data (n – 3)

(LSB)

4 Attribute 0

n Attribute x

Table 4-91. READ ATTRIBUTE with ATTRIBUTE VALUES 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 The drive returns each Attribute formatted as described in “Enhanced Medium

Auxiliary Memory (EMAM) Attributes” on page 4-163.

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Quantum 1200 Series DAT Autochanger Guide de l'utilisateur Page 201