| 摘要 |
PROBLEM TO BE SOLVED: To safely store meta information to be used for the restoration of data in a data storage control device for storing data in a plurality of data storage servers in a distributed manner.SOLUTION: A data storage control device includes: data distribution and storage processing means for dividing data to be stored to generate a plurality of divided data, and for storing the plurality of divided data in a plurality of data storage servers in a distributed manner, and for storing meta information to be used for restoring original data from the plurality of divided data in a meta information storage part; meta information distribution and storage processing means for dividing the meta information to generate a plurality of divided meta information, and for storing the plurality of divided meta information in a plurality of data storage servers in a distributed manner; and meta information restoration processing means for acquiring the plurality of divided meta information from the plurality of data storage servers, and for restoring the original meta information from the plurality of divided meta information, and for storing the meta information in the meta information storage part.SELECTED DRAWING: Figure 3 |
