|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||707/747; 707/698; 707/770|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 63 인용 특허 : 0|
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 ...
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...