IBM DARA-206000 Hard Drive Specifications - Page 179

SMART error log sector

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12.31.4 SMART error log sector The following defines the 512 bytes that make up the SMART error log sector. All multi-byte fields shown in these data structures follow the ATA/ATAPI-4 specifications for byte ordering. Description SMART error log version Error log pointer 1st error log data structure 2nd error log data structure 3rd error log data structure 4th error log data structure 5th error log data structure Device error count Reserved Data structure checksum Bytes Offset 1 00h 1 01h 90 02h 90 5Ch 90 B6h 90 110h 90 16Ah 2 1C4h 57 1C6h 1 1FFh 512 Figure 119. SMART error log sector 12.31.4.1 SMART error log version This value is set to 01h. 12.31.4.2 Error log pointer This points the most recent error log data structure. Only values 1 through 5 are valid. 12.31.4.3 Device error count This field contains the total number of errors. The value will not roll over. 12.31.4.4 Error log data structure Data format of each error log structure is shown below. Command Descriptions 169

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12.31.4
SMART error log sector
The following defines the 512 bytes that make up the SMART error log sector.
All multi-byte fields shown
in these data structures follow the ATA/ATAPI-4 specifications for byte ordering.
Description
Bytes Offset
SMART error log version
1
00h
Error log pointer
1
01h
1st error log data structure
90
02h
2nd error log data structure
90
5Ch
3rd error log data structure
90
B6h
4th error log data structure
90
110h
5th error log data structure
90
16Ah
Device error count
2
1C4h
Reserved
57
1C6h
Data structure checksum
1
1FFh
512
Figure 119. SMART error log sector
12.31.4.1
SMART error log version
This value is set to 01h.
12.31.4.2
Error log pointer
This points the most recent error log data structure. Only values 1 through 5 are valid.
12.31.4.3
Device error count
This field contains the total number of errors. The value will not roll over.
12.31.4.4
Error log data structure
Data format of each error log structure is shown below.
Command Descriptions
169