Hitachi C4K60 Specifications - Page 79

Sector First Sector Subsequent Sector N 1 < N < 63 Table 7.13 Extended Comprehensive SMART Error Log Byte 0 1 2 - 3 4 - 127 128 - 251 252 - 375 376 - 499 500 - 501 502 - 510 511 0 - 3 4 - 127 128 - 251 252 - 375 376 - 499 500 - 510 511 Description SMART error log version '01h'. Reserved Error log index Indicates the error log data structure representing the most recent error 1st Extended error log data structure 2nd Extended error log data structure 3rd Extended error log data structure 4th Extended error log data structure Device error count Contains the total number of errors attributable to the device that have been reported by the device during the life of the device. If the maximum value for this field is reached, the count remains at the maximum value when additional errors are encountered and logged. Reserved Data structure checksum Two's complement of the sum of the first 511 bytes in the first sector. Reserved (4n + 1) Extended Error log data structure (4n + 2) Extended Error log data structure (4n + 3) Extended Error log data structure (4n + 4) Extended Error log data structure Reserved Data structure checksum Two's complement of the sum of the first 511 bytes in the subsequent sector. (1) Extended Error log data structure The error log is viewed as a circular buffer. The error log index indicates the most recent error log data structure. Unused error log data structures are filled with zeros. The content of the error log data structure entries is defined in Table 7.14. Table 7.14 Extended Error Log Data Structure Byte n ~ n+17 n+18 ~ n+35 n+36 ~ n+53 n+54 ~ n+71 n+72 ~ n+89 n+90 ~ n+123 Descriptions 1st Command Data Structure 2nd Command Data Structure 3rd Command Data Structure 4th Command Data Structure 5th Command Data Structure Error Data Structure K6610170 Rev.2 Dec 22, 2004 - 79 -