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Method for improving performance of a flash-based storage system using specialized flash controllers
Method for improving performance of a flash-based storage system using specialized flash controllers
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机译:使用专用闪存控制器提高基于闪存的存储系统的性能的方法
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摘要
A system and method for increasing the performance of a flash-based storage system, using specialized flash memory controller(s). Several methods of performance improvement are suggested such as adding DMA capability to flash memory controller to reduce the data transfer time; connecting flash chips to a multitude of flash memory controllers, which allow continuation of the data transfer to the system, even after the page programming operation has started; and connecting flash chips to a multitude of DMA-capable flash memory controllers to allow data transfer directly from one flash chip to another. In addition, a multi-controller design is suggested, which efficiently combines these performance-improving methods. In its best mode of operation, the present invention is a Flash-based storage system with several flash controllers or a multi-controller with DMA interface, organized in a way that reduces the page programming, page fetch and page copy time.
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