| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage controller and a storage control method capable of effectively making the best use of a plurality of nonvolatile semiconductor storage devices of RAID constitutions. <P>SOLUTION: A RAID is constituted to restore data stored in the nonvolatile semiconductor storage devices using the plurality of nonvolatile semiconductor storage devices, and the data are read from the nonvolatile semiconductor storage device constituting the RAID in response to a data read-out request inputted from the outside, the data generated with a reading error are restored when an error is generated at the time of readout so as to be rewritten into an area of the nonvolatile semiconductor storage device with the generated reading error. <P>COPYRIGHT: (C)2010,JPO&INPIT |
