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특허 상세정보

De-duplication of data in a data processing system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06F-017/00   
미국특허분류(USC) 707/747; 707/698; 707/770
출원번호 US-0742972 (2003-12-23)
등록번호 US7949662 (2011-05-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Davidson Berquist, Jackson & Gowdey, LLP
인용정보 피인용 횟수 : 63  인용 특허 : 0
초록

In a data processing system, a method includes deleting a particular copy of a data item when at least one other copy of the data item is available. The presence of another copy of the data item is determined, at least in part, based on an identifier for the data item, the identifier having been computed using all of the data in the data item and only the data in the data item, wherein two identical data items in the data processing system will have identical identifiers. The particular copy of the data item may be deleted if another copy of the data is ...

대표
청구항

What is claimed is: 1. A computer-implemented method of eliminating a particular data item at a given storage location in a distributed file system when a copy of said particular data item can be obtained from at least one other storage location in the file system,wherein said file system comprises (i) a plurality of distinct storage locations, and (ii) at least one computer distinct from said plurality of storage locations, and (iii) at least one database, andwherein each data item in the file system is stored at multiple distinct storage locations in t...

이 특허를 인용한 특허 피인용횟수: 63

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