Robustness-aware NAND flash management
Abstract:
Systems, apparatus and methods are provided for performing program operations in a non-volatile storage system. In one embodiment, there is provided a method that may comprise categorizing active storage blocks of a non-volatile storage device into a robust group and a less-robust group based on a number of factors including page error count, program time and number of Program/Erase (P/E) cycles; determining that a cache program operation needs to be performed; selecting a first storage block from the robust group to perform the cache program operation; determining that a regular program operation needs to be performed; and selecting a second storage block from the less-robust group to perform the regular program operation.
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