| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress the efficiency reduction of access processing based on inter-block transfer by reducing the frequency of inter-block transfer. <P>SOLUTION: Data given from a host system is written in a physical page within a physical block being managed as a write destination block. The number of physical pages storing invalid data therein within the physical block is counted and a physical block having the greatest number of pages is specified. Valid data being stored in that physical block is transferred to a physical page within a physical block being managed as a transfer destination block. Different physical blocks are selected for the physical block being managed as the write destination block and the physical block being managed as the transfer destination block. <P>COPYRIGHT: (C)2012,JPO&INPIT |
