Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takanori Watanabe0
Daisuke Hashimoto0
Koichi Nagai0
Date of Patent
October 2, 2018
0Patent Application Number
157103800
Date Filed
September 20, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
According to an embodiment, when a storage status of a first storage unit is recognized as a protected state, a control unit writes data to a second storage unit. When a read target address is recorded in a data migration log area, the control unit reads data from the second storage unit. When the read target address is not recorded in the data migration log area, the control unit reads data from the first storage unit.
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