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专利名称:CONTROLLER, FLASH MEMORY APPARATUS,
AND METHOD FOR WRITING DATA INTOFLASH MEMORY APPARATUS
发明人:ZHANG, Chenyi,LIN, Chungong,WEI,
Mingchang
申请号:EP17166143.2申请日:20140627公开号:EP3260985A1公开日:20171227
专利附图:
摘要:Embodiments of the present invention provide a controller, a flash memory
apparatus, and a method for writing data into a flash memory apparatus. The controlleris applied in a storage system, where the storage system includes the controller and theflash memory apparatus, the flash memory apparatus includes a flash chip, the flash chipincludes a block, the block includes multiple pages, at least one of the multiple pages is adamaged page, and the controller includes a communications interface and a processor;the communications interface is configured to communicate with the flash memoryapparatus; and the processor is configured to: receive capacity information of the blockthat is sent by the flash memory apparatus; obtain an effective capacity of the blockaccording to the capacity information of the block, where the effective capacity of theblock does not include a capacity of the damaged page; read target data, where a size ofthe target data is the effective capacity of the block of the block; and send the targetdata to the flash memory apparatus, which can improve block utilization and save storagespace of an SSD.
申请人:Huawei Technologies Co., Ltd.
地址:Huawei Administration Building Bantian Longgang District Shenzhen,Guangdong 518129 CN
国籍:CN
代理机构:Kreuz, Georg Maria
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