Title:
STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/194175
Kind Code:
A1
Abstract:
A storage system according to an embodiment of the present invention comprises a storage controller and storage devices, said storage controller having a processor and a memory device that has a memory chip using magnetoresistive elements as memory elements, and that also has a memory controller for controlling the memory chip. The processor manages the storage regions of the memory chip by differentiating those currently being used by the processor from those not currently being used by the processor. The processor performs an update process on each of the currently used storage regions at regular intervals. In this update process, the data stored in a storage region are read and then written back to that storage region.
Inventors:
HANZAWA SATORU (JP)
CHIKUSA TAKASHI (JP)
MORITOKI NAOKI (JP)
CHIKUSA TAKASHI (JP)
MORITOKI NAOKI (JP)
Application Number:
PCT/JP2015/066069
Publication Date:
December 08, 2016
Filing Date:
June 03, 2015
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G06F12/16; G06F12/08; G11C11/15
Domestic Patent References:
| WO2014192051A1 | 2014-12-04 | |||
| WO2011036817A1 | 2011-03-31 | |||
| WO2009057275A1 | 2009-05-07 |
Foreign References:
| JP2015038794A | 2015-02-26 | |||
| JP2011060082A | 2011-03-24 | |||
| JP2008204581A | 2008-09-04 |
Attorney, Agent or Firm:
Patent Corporate Body Dai-ichi Kokusai Tokkyo Jimusho (JP)
The first international patent firm of a patent business corporation (JP)
The first international patent firm of a patent business corporation (JP)
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