360050398
State shall contain a value indicating the state of the device when the command was written to the Command register or the reset occurred as described in the following table.
| State field values |
Value | State |
x0h | Unknown |
x1h | Sleep |
x2h | Standby |
x3h | Active/Idle with BSY cleared to zero |
x4h | Executing SMART |
Reserved |
The value of x is vendor specific and may be different for each state.
Sleep indicates the reset for which the error is being reported was received when the device was in the Sleep mode.
Standby indicates the command or reset for which the error is being reported was received when the device was in the Standby mode.
Active/Idle with BSY cleared to zero indicates the command or reset for which the error is being reported was received when the device was in the Active or Idle mode and BSY was cleared to zero.
Executing SMART
Life timestamp shall contain the
The device error count field shall contain the total number of errors attributable to the device that have been reported by the device during the life of the device. These errors shall include UNC errors, IDNF errors for which the address requested was valid, servo errors, write fault errors, etc. This count shall not include errors attributed to the receipt of faulty commands such as commands codes not implemented by the device or requests with invalid parameters or invalid addresses. If the maximum value for this field is reached, the count shall remain at the maximum value when additional errors are encountered and logged.
10.8.43.2.5 Data structure checksumThe data structure checksum is the two’s complement of the sum of the first 511 bytes in the data structure. Each byte shall be added with unsigned arithmetic, and overflow shall be ignored. The sum of all 512 bytes will be zero when the checksum is correct. The checksum is placed in byte 511.
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