STORAGE DEVICE, STORAGE CONTROL DEVICE, AND STORAGE CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To improve usage efficiency of a disk group by writing and reading data in/from a continuous areas or neighboring areas on the same disk. SOLUTION: One copy session is periodically selected from each of the first to the M-th copy session groups in a predetermined sequence. Then, copying processing about the selected M pieces of copy sessions in a predetermined copying processing unit is periodically executed in a predetermined sequence only by the specified number of times. COPYRIGHT: (C)2010,JPO&INPIT