| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a disk restoration system capable of coping with a case where a read error occurs when data from a data disk during restoration is read.SOLUTION: A disk restoration system including a plurality of disks constituting a RAID and a hot spare disk includes a disk array control device that performs disk restoration control to the plurality of disks and the hot spare disk. The disk array control device includes a writing date management unit that has writing data management information recording a writing date at which data is recorded.</p> |
