| 摘要 |
PURPOSE: A very high speed storage and a method thereof are provided to offer a high speed memory access while keeping an interface rule between a sub storage and a CPU, and increase an entire service quality and stability without using an expensive server on a server-grade computer offering a service to many users. CONSTITUTION: A memory module(200) stores data by forming more than one module in parallel. A backup HDD(Hard Disk Drive)(300) performs backup of the data stored in the memory module in preparation for power interception and transfer. A controller(100) performs an instruction by interpreting a protocol instruction through an interface with a host, and records a change to the backup HDD if contents of the memory module are changed according to the instruction.
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