The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 2012
Filed:
Jun. 17, 2008
Sang-min Lee, DaeJeon, KR;
Myung-hoon Cha, DaeJeon, KR;
Young-kyun Kim, DaeJeon, KR;
Myung-joon Kim, DaeJeon, KR;
Sang-Min Lee, DaeJeon, KR;
Myung-Hoon Cha, DaeJeon, KR;
Young-Kyun Kim, DaeJeon, KR;
Myung-Joon Kim, DaeJeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided are a file storage system, and a method for managing duplicate files in the file storage system. The file storage system that performs file duplication for error recovery includes a client for requesting generation of a duplicate file of a new file being stored, a metadata server for storing information associated with prestored duplicate files and determining whether a file that is identical to the new file is present among the prestored duplicate files, to limit a number of identical duplicate files to a preset number, and a data server comprising a file duplication unit and a storage unit for respectively performing file duplication and file storage under the control of the metadata server. Accordingly, file recovery can be performed while duplicate files in the system are minimized.