| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily and surely achieve a mirroring configuration in a short period of time in which the capacity of a storage device has been changed. Ž<P>SOLUTION: According as it is determined that a new storage device is connected and it is determined that the storage capacity of the new storage device is a first capacity or larger (Yes in S105), a CPU 112 executes control so as to store a part of data (file) stored in the storage area of an existing storage device into the file of the new storage device (S109). According as it is determined that the new storage device is connected and it is determined that the storage capacity of the new storage device is less than the first capacity (No in S105), an RAID (Redundant Arrays of Independent Disks) controller 196 executes control so as to store (rebuild) all the data stored in the storage area of the existing storage device into the new storage device (S107). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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