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Method for facilitating recovery from crash of solid-state storage device, method of data synchronization, computer system, and solid-state storage device
Method for facilitating recovery from crash of solid-state storage device, method of data synchronization, computer system, and solid-state storage device
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机译:用于促进从固态存储装置的崩溃,数据同步,计算机系统和固态存储设备的崩溃恢复的方法
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摘要
A method for facilitating recovery from a crash of a solid-state storage device (SSD) is adapted to be implemented by an SSD controller of the SSD that receives a write request. The method includes: assigning a write request identifier (WID) and a request size in a spare area of each written page of the SSD; counting a number of appearances of the WID in all written page(s) to result in a WID count; determining whether the WID count is equal to the request size; and determining that the write request is completed and is eligible for recovery after a crash of the SSD when it is determined that the WID count is equal to the request size.
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