Storage management system and method and program

Details Storage management system and method and program Storage management system and method and program

2005-11-07

2010-10-19

Trujillo, James (Department: 2159)

Data processing: database and file management or data structures

Data warehouse, data mart, online analytical processing ,...

C711S173000

Reexamination Certificate

active

07818287

ABSTRACT:
Disclosed is a storage management system including at least one client, a first server having a primary storage, a second server having a secondary storage, and an intermediate device logically arranged between the client and the first and second servers. The primary storage includes a stub file in which there is recorded the position information of the real file migrated from the primary storage to the secondary storage. The intermediate device exercises control so that, when a file access request of the primary storage of a first server, issued by the client, is received by the intermediate device, the intermediate device receives the file access request and, if the file to be accessed is a stub file, and the access request necessitates accessing to the real file, the intermediate device accesses the real file of the secondary storage using the information of the stub file to return a response.

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