Title:
STORAGE SYSTEM AND STORAGE METHOD
Document Type and Number:
WIPO Patent Application WO/2013/051062
Kind Code:
A1
Abstract:
A storage system comprises a storage comprising a nonvolatile storage medium, and a storage control apparatus for inputting/outputting data to/from the storage. The storage control apparatus comprises a memory for storing management information, which is information used in inputting/outputting data to/from the storage, and a control part for controlling access to the storage. The control part stores the management information, which is stored in the memory, in the storage as a base image, and when the management information is updated subsequent to the base image being stored in the storage, creates a journal comprising information related to this update, and stores the journal in the storage as a journal group which is configured from multiple journals.
Inventors:
KAWAMURA ATSUSHI (JP)
OGAWA JUNJI (JP)
OGAWA JUNJI (JP)
Application Number:
PCT/JP2011/005621
Publication Date:
April 11, 2013
Filing Date:
October 05, 2011
Export Citation:
Assignee:
HITACHI LTD (JP)
KAWAMURA ATSUSHI (JP)
OGAWA JUNJI (JP)
KAWAMURA ATSUSHI (JP)
OGAWA JUNJI (JP)
International Classes:
G06F12/02
Domestic Patent References:
| WO2005082037A2 | 2005-09-09 |
Foreign References:
| EP2264602A1 | 2010-12-22 | |||
| EP2209074A1 | 2010-07-21 | |||
| US20090109786A1 | 2009-04-30 | |||
| US20060253645A1 | 2006-11-09 | |||
| JP2009289014A | 2009-12-10 | |||
| JPH0877074A | 1996-03-22 |
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL (3 Kanda-Ogawamachi 3-chome, Chiyoda-k, Tokyo 52, JP)
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Claims: