Patent ID: 8631199
Filing Date: 2014-01-14
Classification: G06F,G11C,Y02D

Abstract:
1. A storage system comprising: a plurality of flash memory devices; a plurality of hard disk devices; a storage controller, which is to be coupled to a computer, the storage controller comprising: a processor configured to control read/write request from the computer to the plurality of flash memory devices and the plurality of hard disk devices; and a cache memory configured to store data temporarily for the plurality of flash memory devices and the plurality of hard disk devices, wherein the processor is configured to: according to a read request from the computer, determine whether or not target data of the read request is stored within any of the plurality of flash memory devices, when the target data of the read request is not stored within the cache memory; and transfer the target data from one of the plurality of flash memory devices to the computer without storing the data into the cache memory when the target data is stored within one of the plurality of flash memory devices.