发明名称 STORAGE SYSTEM
摘要 An example of storage system obtains a reference request of a reference request data block that is included in the content and is stored in the medium area. The storage system determines a number of gaps among addresses, in the medium area, of a plurality of data blocks continuous in the content including the reference request data block. The storage system determines, based on the number of gaps, whether or not defrag based on the plurality of data blocks is valid. The storage system writes, when the defrag is determined to be valid, the plurality of data blocks read from the medium area to the memory area, into continuous address areas of the medium area.
申请公布号 US2016371035(A1) 申请公布日期 2016.12.22
申请号 US201415122310 申请日期 2014.03.27
申请人 HITACHI, LTD. 发明人 HAYASAKA Mitsuo;NOMURA Ken;MATSUZAWA Keiichi;KAMEI Hitoshi
分类号 G06F3/06 主分类号 G06F3/06
代理机构 代理人
主权项 1. A storage system, comprising: a medium area provided by at least one storage device to store data of a content; and a controller comprising a memory area for temporarily storing data of the medium area, wherein the controller is configured to: obtain a reference request of a reference request data block that is included in the content and is stored in the medium area;determine a number of gaps among addresses, in the medium area, of a plurality of data blocks continuous in the content including the reference request data block;determine, based on the number of gaps, whether or not defrag based on the plurality of data blocks is valid; andwrite, when the defrag is determined to be valid, the plurality of data blocks read from the medium area to the memory area, into continuous address areas of the medium area.
地址 Tokyo JP