5K320 SATA OEM Specification

14.40.6Self-test log data structure

The following defines the 512 bytes that make up the Self-test log sector. All multi-byte fields shown in these data structures follow the ATA/ATAPI-7 specifications for byte ordering.

Description

Bytes

Offset

Data structure revision

2

00h

Self-test number

1

n*18h+02h

Self-test execution status

1

n*18h+03h

Life time power on hours

2

n*18h+04h

Self-test failure check point

1

n*18h+06h

LBA of first failure

4

n*18h+07h

Vendor specific

15

n*18h+0Bh

...

 

 

Vendor specific

2

1FAh

Self-test log pointer

1

1FCh

Reserved

2

1FDh

Data structure checksum

1

1FFh

 

512

 

Note: n is 0 through 20

Table 122 Self-test log data structure

The data structure contains the descriptor of Self-test that the device has performed. Each descriptor is 24 bytes long and the self-test data structure is capable to contain up to 21 descriptors.

After 21 descriptors has been recorded, the oldest descriptor will be overwritten with new descriptor.

Self-test log pointer points the most recent descriptor. When there is no descriptor the value is 0. When there is descriptor(s) the value is 1 through 21.

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Hitachi HTS543225L9A300, HTS543232L9A300, HTS543280L9SA00, HTS543216L9SA00, HTS543212L9A300 manual Self-test log data structure