STORAGE MANAGEMENT SYSTEM, STORAGE MANAGEMENT METH

专利名称：STORAGE MANAGEMENT SYSTEM, STORAGE

MANAGEMENT METHOD, STORAGEMEDIUM AND INFORMATION PROCESSINGSYSTEM

发明人：Masaya SUENAGA申请号：US14495021申请日：20140924

公开号：US201500115A1公开日：20150326

专利附图：

摘要：The present invention provides a storage management system that suppresses

performance degradation due to Read-Modify-Write. The storage management systemincludes: a management unit managing a storage system including a first storage mediumhaving a first physical sector size and an alternative storage medium having a secondphysical sector size smaller than the first physical sector size; an acceptance unit

accepting a write request; and a disk processing control unit, when a write area identifiedby the write request is an area on the first storage medium and the start address or endaddress of the write area does not correspond to a boundary of a physical sector of thefirst storage medium, writing data identified by the write request on the alternativestorage medium, notifying the host of completion of the write, and then transferring thedata from the alternative storage medium to the first storage medium.

申请人：NEC Corporation

地址：Tokyo JP

国籍：JP

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