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Endurance enhancement scheme using memory re-evaluation

專利號
US11176036B2
公開日期
2021-11-16
申請人
International Business Machines Corporation（US NY Armonk）
發(fā)明人
Charles J. Camp; Timothy J. Fisher; Aaron D. Fry; Nikolas Ioannou; Ioannis Koltsidas; Roman A. Pletka; Sasa Tomic
IPC分類
G06F12/00; G06F12/02
技術(shù)領(lǐng)域
memory,block,may,in,or,be,storage,retire,volatile,stripe
地域： NY NY Armonk

摘要

An apparatus, according to one embodiment, includes non-volatile memory configured to store data, and a controller and logic integrated with and/or executable by the controller, the logic being configured to: determine, by the controller, that at least one block of the non-volatile memory and/or portion of a block of the non-volatile memory meets a retirement condition, re-evaluate, by the controller, the at least one block and/or the portion of a block to determine whether to retire the at least one block and/or the portion of a block, indicate, by the controller, that the at least one block and/or the portion of a block remains usable when a result of the re-evaluation is not to retire the block, and indicate, by the controller, that the at least one block and/or the portion of a block is retired when the result of the re-evaluation is to retire the block.

說明書

FIG. 5 is a flowchart of a method, in accordance with one embodiment.

FIG. 6 is a network architecture, in accordance with one embodiment.

FIG. 7 is a representative hardware environment that may be associated with the servers and/or clients of FIG. 6, in accordance with one embodiment.

FIG. 8 is a tiered data storage system in accordance with one embodiment.

DETAILED DESCRIPTION

The following description is made for the purpose of illustrating the general principles of the present invention and is not meant to limit the inventive concepts claimed herein. Further, particular features described herein can be used in combination with other described features in each of the various possible combinations and permutations.

Unless otherwise specifically defined herein, all terms are to be given their broadest possible interpretation including meanings implied from the specification as well as meanings understood by those skilled in the art and/or as defined in dictionaries, treatises, etc.

權(quán)利要求

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