Title:
STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/032727
Kind Code:
A1
Abstract:
The storage system includes a first auxiliary storage device, a second auxiliary storage device, and a main storage device, and also includes a data management unit which stores and keeps, in the main storage device, index data based on feature data by referring to the feature data of storage target data stored in the first auxiliary storage device, and if the index data stored and kept in the main storage device reaches a preset amount, stores and keeps, in the second auxiliary storage device, the index data stored and kept in the main storage device, and deletes the index data stored and kept in the second auxiliary storage device from the main storage device.
Inventors:
SZCZEPKOWSKI JERZY (PL)
WELNICKI MICHAL (PL)
DUBNICKI CEZARY (PL)
WELNICKI MICHAL (PL)
DUBNICKI CEZARY (PL)
Application Number:
PCT/JP2011/004722
Publication Date:
March 15, 2012
Filing Date:
August 25, 2011
Export Citation:
Assignee:
NEC CORP (JP)
SZCZEPKOWSKI JERZY (PL)
WELNICKI MICHAL (PL)
DUBNICKI CEZARY (PL)
SZCZEPKOWSKI JERZY (PL)
WELNICKI MICHAL (PL)
DUBNICKI CEZARY (PL)
International Classes:
G06F12/00; G06F3/06
Domestic Patent References:
| WO2009102425A1 | 2009-08-20 |
Foreign References:
| JP2007234026A | 2007-09-13 | |||
| JP2000284995A | 2000-10-13 | |||
| JP2008269520A | 2008-11-06 | |||
| JP2010079886A | 2010-04-08 |
Other References:
See also references of EP 2614439A4
Attorney, Agent or Firm:
BABA, Motohiro et al. (Ishii Bldg. 25-1, Sugawara-machi, Kawagoe-sh, Saitama 46, JP)
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Claims:
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