| 摘要 |
PURPOSE:To prevent a stall of data block reading operation by recording an error occurrence history on a memory part when recurable error has occurred, and by continuing the execution of reading neglecting the error referring to the error occurrence history when the error is judged as a duplicating trouble. CONSTITUTION:If a recurable error happens during data reading, the occurrence history is recorded on the first memory area 101. And when the rerun is made and if there is a duplicating trouble in he data after the success of the rerun, a data processing part 103 refers to the occurrence history, and neglects the error occurrence and read the data again. In this way, the data with no error can be obtained, and the stall of the data block reading operation can be avoided. |
