| 摘要 |
PROBLEM TO BE SOLVED: To guarantee normal data while preventing performance deterioration in rebuilding.SOLUTION: A disk array control device includes: upper level connection means for receiving write-in data from a host device; rebuilding control means for controlling rebuilding for generating restored data, and for writing the restored data in a disk medium; and disk control means for writing the write-in data received from the upper level connection means in the disk medium, and for writing at least a part of the restored data to be generated on the basis of control from the rebuilding control means in a write cache. |
