Table 5.19 Data format of SMART Summary Error Log (2/2)
Byte
5C to 1C3
1C4, 1C5
Total number of drive errors
1C6 to 1FE
Reserved
1FF
Check sum
•
Command data structure
Indicates the command received when an error occurs.
•
Error data structure
Indicates the status register when an error occurs.
•
Total number of drive errors
Indicates total number of errors registered in the error log.
•
Checksum
Two's complement of the lower byte, obtained by adding 511-byte data one byte at a
time from the beginning.
•
Status
Bits 0 to 3: Indicates the drive status when received error commands according
Bits 4 to 7: Vendor unique
Status
0
1
2
3
4
5 to F
C141-E249
Item
Error log data structure 2
Error log data structure 5
to the following table.
Meaning
Unclear status
Sleep status
Standby status
Active status (BSY bit = 0)
Off-line data collection being executed
Reserved
5.3 Host Commands
to
5-67