Control device for a storage apparatus, system, and method of controlling a storage apparatus

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United States of America Patent

PATENT NO 10019315
SERIAL NO

15456655

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Abstract

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A control device for a storage apparatus including a first storage device, a second storage device, and a third storage device, the control device includes a memory, and a processor coupled to the memory and configured to store, in the third storage device, first parity data generated based on first data stored in the first storage device and second data stored in the second storage device, store, in the first storage device, third data as update data of the first data, execute reading the first data and the third data from the first storage device and reading the first parity data from the third storage device when garbage collection for the first storage device is performed, and execute generating second parity data based on the read first data, the read third data, and the read first parity data.

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Patent Owner(s)

  • FUJITSU LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Jun Kawasaki, JP 63 445

Cited Art Landscape

Patent Info (Count) # Cites Year
 
TOSHIBA MEMORY CORPORATION (1)
2012/0072,680 SEMICONDUCTOR MEMORY CONTROLLING DEVICE 43 2011
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
* 2011/0113,234 User Device, Computer Program Product and Computer System for Secure Network Storage 8 2010
 
Other [Check patent profile for assignment information] (1)
* 2006/0143,418 Storage system and data relocation control device 5 2005
 
PANASONIC CORPORATION (1)
2012/0317,340 MEMORY CONTROLLER AND NON-VOLATILE STORAGE DEVICE 2 2012
 
EMC IP HOLDING COMPANY LLC (2)
* 2015/0205,667 METHOD AND SYSTEM FOR SERVICE-AWARE DATA PLACEMENT IN A STORAGE SYSTEM 2 2014
* 2015/0205,670 METHOD AND SYSTEM FOR SERVICE-AWARE PARITY PLACEMENT IN A STORAGE SYSTEM 1 2014
 
SEAGATE TECHNOLOGY LLC (2)
* 2005/0228,943 Multipath redundant storage system architecture and method 35 2004
2013/0304,976 TECHNIQUES FOR PROVIDING DATA REDUNDANCY AFTER REDUCING MEMORY WRITES 1 2013
 
LONGITUDE ENTERPRISE FLASH S.A.R.L. (1)
* 2010/0293,440 APPARATUS, SYSTEM, AND METHOD TO INCREASE DATA INTEGRITY IN A REDUNDANT STORAGE SYSTEM 54 2009
 
NETAPP, INC. (1)
* 9389958 File system driven raid rebuild technique 12 2014
 
SAMSUNG ELECTRONICS CO., LTD. (1)
* 2012/0151,124 Non-Volatile Memory Device, Devices Having the Same, and Method of Operating the Same 66 2011
 
KABUSHIKI KAISHA TOSHIBA (1)
2010/0161,883 Nonvolatile Semiconductor Memory Drive and Data Management Method of Nonvolatile Semiconductor Memory Drive 9 2009
 
HITACHI, LTD. (2)
* 2007/0208,921 Storage system and control method for the same 17 2006
* 2008/0126,855 Storage control apparatus and failure recovery method for storage control apparatus 10 2006
* Cited By Examiner

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