Metadata storage associated with wear-level operation requests
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United States of America Patent
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Dec 30, 2014
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app pub date -
Apr 5, 2013
filing date -
Nov 4, 2010
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Abstract
A method includes responding to a wear-level operation request by copying data from a first portion of a first memory array to a second portion of the first memory array, and copying metadata associated with the data from a third portion of a second memory array to a fourth portion of the second memory array. The first memory array includes a NAND or NAND-based memory array, and the second memory array includes non-volatile memory including at least one of the group consisting of: phase-change memory, EEPROM, and NOR flash memory.
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