| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for backing-up a power supply of a disk array device, excellent in the cost and the downsizing property and improving the fault tolerance in the power supply. <P>SOLUTION: In the method for backing-up the power source of the disk array device 20 in which an error correction group 40 composed of disk units 32 consisting of one or more disk drives 31 and a parity bit disk unit 39 for storing data restoration information for the disk units 32 is housed in a disk drive 30, battery power sources 38 having the capacities which meet the power demands for respective disk units 32 are provided for the disk units 32, respectively. <P>COPYRIGHT: (C)2004,JPO</p> |
