| 摘要 |
In a disk array apparatus, a microprocessor includes a repairing section for causing, upon receiving the report of the content of occurrence of an error from a physical device interface controller unit, an array data controller unit to repair read data by using received data from physical devices except for the one which has reported an unrecoverable read error. The microprocessor also includes a transfer section for transferring the repaired data obtained by the repairing section to a host apparatus as read data, a writing section for writing the repaired data in a data buffer unit, a write end determining section for determining the end of the write of the repaired data from the count value of a data block counter unit, a reallocating section for reallocating a replacement sector to the physical device which has reported the error, and a readout section for reading out the repaired data written in the data buffer unit and storing the readout data in the replacement sector allocated by the reallocating section, after the write end determining section determines the end of the write. |
