Hitachi 7K250 Specifications - Page 156
Extended Comprehensive SMART Error Log
UPC - 000004558972
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12.18.2 Extended Comprehensive SMART Error Log The figure below defines the format of each of the sectors that comprise the Extended Comprehensive SMART error log. Error log data structure shall not include errors attributed to the receipt of faulty commands such as command codes not implemented by the device or requests with invalid parameters or in valid addresses. Table 81: Extended Comprehensive SMART Error Log Description Smart error log version Reserved Error log index (7:0) Error log index (15:8) 1st error log data structure 2nd error log data structure 3rd error log data structure 4th error log data structure Device error count Reserved Data structure checksum Bytes 1 1 1 1 124 124 124 124 2 9 1 512 Offset 00h 01h 02h 03h 04h 80h FCh 178h 1F4h 1F6h 1FFh 12.18.2.1 Error log version The value of this version shall be 01h. 12.18.2.2 Error log index This indicates the error log data structure representing the most recent error. If there have been no error log entries, it is cleared to 0. Valid values for the error log index are 0 to 4. 12.18.2.3 Extended Error log data structure An error log data structure shall be presented for each of the last four errors reported by the device. These error log data structure entries are viewed as a circular buffer. The fifth error shall create an error log structure that replaces the first error log data structure. The next error after that shall create an error log data structure that replaces the second error log structure, etc. Unused error log data structures shall be filled with zeros. 12.18.2.3.1 Data format of extended error log data structure Table 82: Extended Error log data structure Description 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 Error data structure Bytes 18 18 18 18 18 34 124 Offset 00h 12h 24h 36h 48h 5Ah Deskstar 7K250 Hard Disk Drive Specification 142