Title:
STORAGE DEVICE AND DATA MANAGEMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2014/188560
Kind Code:
A1
Abstract:
To provide a storage device and a data management method whereby it is possible to efficaciously utilize a storage resource, for a storage device whereupon primary data and analysis data based on the primary data and which is obtained by an external computer system executing a prescribed analysis process, re-generatability attribute information is included in metadata of the analysis data which represents whether the corresponding analysis data may be re-generated by the analysis process from the external computer system. A control unit selects the re-generatable analysis data which satisfies a prescribed condition either periodically or at irregular intervals, and on the basis of the metadata for each instance of the analysis data, and deletes the selected analysis data from one or a plurality of storage devices.
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Inventors:
SHIMOZONO NORIO (JP)
Application Number:
PCT/JP2013/064369
Publication Date:
November 27, 2014
Filing Date:
May 23, 2013
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06F12/00; G06F3/06
Foreign References:
| JP2008123053A | 2008-05-29 | |||
| JPH05210546A | 1993-08-20 | |||
| JP2012088875A | 2012-05-10 |
Other References:
SHINJI TANAKA: "Hatena Ryu! System Kanri no Tsubo Dai 12 Kai Storage Sentaku Senryaku", SOFTWAREDESIGN, 18 July 2009 (2009-07-18), pages 182 - 187
Attorney, Agent or Firm:
OHGA, Shinji et al. (JP)
Heartly congratulation Shinji (JP)
Heartly congratulation Shinji (JP)
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