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ASYNCHRONOUS POWER LOSS HANDLING APPROACH FOR A MEMORY SUB-SYSTEM
ASYNCHRONOUS POWER LOSS HANDLING APPROACH FOR A MEMORY SUB-SYSTEM
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机译:存储子系统的异步功率丢失处理方法
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摘要
An asynchronous power loss (APL) event is determined to occur. A first erased page (FEP) in a block of a memory device is determined and a last written page (LWP) is determined from the FEP. Data is read from the LWP and peer pages corresponding to the LWP. The data is copied to a temporary area in the memory device and a write pointer is incremented by a deterministic number of pages in the block. Data from the temporary area is copied to a page location in the block identified by the write pointer and the write pointer is incremented by the deterministic number of pages again. A host system is notified that the memory device is ready for a subsequent programming operation after the APL event.
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