Quantum 1200 Series DAT Autochanger Podręcznik Użytkownika Pobierz pdf (Strona 212)

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

4-170 January 2005 81-81200-02 REV A01

Figure 4-91. MEDIUM USAGE HISTORY Attribute — Data Format

78 – 83

(MSB)

Total Change Partition Count

(LSB)

84 – 89

(MSB)

Total Partition Initialize Count

(LSB)

Table 4-100. MEDIUM USAGE HISTORY Attribute Parameter Data —

Field Descriptions

Field

Name

Description

Current

Amount of

Data

Written

Indicates the amount of data physically written to the medium during this load of

the medium. This value is expressed in increments of 1,048,576 bytes; that is, a

value of 1 means 1,048,576 bytes, 2 means 2,097,152 bytes, and so on.

Current

Write

Retries

Count

Indicates the total number of times the drive performed a Write retry during this

load of the medium.

Current

Amount of

Data Read

Indicates the amount of data physically read from the medium during this load of

the medium. This value is expressed in increments of 1,048,576 bytes; that is, a

value of 1 means 1,048,576 bytes, 2 means 2,097,152 bytes, and so on.

Current

Read

Retries

Count

Indicates the number of times the drive performed a Read retry during this load of

the medium.

Amount of

Data

Written

Indicates the amount of data physically written to the medium during the previous

load of the medium. This value is expressed in increments of 1,048,576 bytes;

that is, a value of 1 means 1,048,576 bytes, 2 means 2,097,152 bytes, and so on.

Write

Retries

Count

Indicates the total number of times the drive performed a Write retry during the

previous load of the medium.

Bit

Byte

7 6 5 4 3 2 1 0

1 2 ... 207 208 209 210 211 212 213 214 215 216 217 ... 293 294

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