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Information processing device, non-transitory computer readable recording medium, and information processing system

  • US 9,977,734 B2
  • Filed: 03/12/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 12/11/2014
  • Status: Active Grant
First Claim
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1. An information processing device communicating with a memory system, whereinthe memory system comprises a nonvolatile memory comprising a first namespace including first erase unit areas and a second namespace including second erase unit areas, and a controller controlling the nonvolatile memory,the information processing device is external to the memory system, the information processing device comprises a processor executing first to fourth programs, andthe processorassigns, when a first characteristic feature of a first logical address space corresponding to the first program and a second characteristic feature of a second logical address space corresponding to the second program are different, the first and second logical address spaces to the first namespace,assigns, when a third characteristic feature of a third logical address space corresponding to the third program and a fourth characteristic feature of a fourth logical address space corresponding to the fourth program are different, the third and fourth logical address spaces to the second namespace,transmits a write command, identification data of a namespace assigned to a logical address space corresponding to the write command, write data, and logical address of the write data, to the controller, andtransmits a read command, the identification data, and a logical address of read data, to the controller, and receives the read data from the controller.

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