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

4-162 January 2005 81-81200-02 REV A01

PARTITION LIST Service Action

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

(see Figure 4-88) identifying the number of partitions supported in the specified volume number. The

contents of the Partition Number and First Attribute Identifier fields in the CDB are ignored.

Figure 4-88. READ ATTRIBUTE with PARTITION LIST Service Action — Parameter List Format

Bit

Byte

7 6 5 4 3 2 1 0

0 – 1

(MSB)

Available Data (02h)

(LSB)

2 First Partition Number

3 Number of Partitions Available

Table 4-94. READ ATTRIBUTE with PARTITION LIST Service Action Parameter Data — Field

Descriptions

Field

Name

Description

Available

Data

Preset to 02h.

First

Partition

Number

Indicates the first partition available on the specified volume number. Partition

numbering starts at 0.

Number of

Partitions

Available

Indicates the number of partitions that are available. SDLT tape drives only

support one partition on the medium.

1 2 ... 199 200 201 202 203 204 205 206 207 208 209 ... 293 294

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Quantum 1200 Series DAT Autochanger Guía de usuario Pagina 204