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Controller, flash memory apparatus, method for identifying data block stability, and method for storing data in flash memory apparatus
Controller, flash memory apparatus, method for identifying data block stability, and method for storing data in flash memory apparatus
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机译:控制器,闪存设备,用于识别数据块稳定性的方法以及用于在闪存设备中存储数据的方法
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摘要
In a method for controlling data stored in an Solid State Disk (SSD) of a data de-duplication system, a storage controller obtains stability information of a data block. The stability information comprises a reference count of the data block and a length of a period of time when the data block is stored in the SSD. The storage controller identifies a stability level of the data block according to the stability information, and sends the stability level of the data block to the SSD. The SSD moves the data block to a target block which corresponds to the stability level. Thereby, the SSD can store data blocks having a same stability level together.
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