System and method for managing data access in non-volatile memory

The present invention is directed to systems and methods for improving access to non-volatile solid-state storage systems. Embodiments described herein provide a physical chunk number (PCN), or a physical page number (PPN), by which a controller can access the next available chunks (or pages) in a p...

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Bibliographic Details
Main Author SYU MEI-MAN L
Format Patent
LanguageEnglish
Published 02.09.2014
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Abstract The present invention is directed to systems and methods for improving access to non-volatile solid-state storage systems. Embodiments described herein provide a physical chunk number (PCN), or a physical page number (PPN), by which a controller can access the next available chunks (or pages) in a programming sequence optimized by concurrency. By incrementing the PCN, the controller can program consecutive chunks in the optimized programming sequence. In one embodiment, the programming sequence is determined at the time of initial configuration and the sequence seeks to synchronize data programming and data sending operations in subcomponents of the storage system to minimize contention and wait time. In one embodiment, the PCN includes an index portion to a superblock table with entries that reference specific blocks within the subcomponents in a sequence that mirrors the optimized programming sequence, and a local address portion that references a particular chunk to be programmed or read.
AbstractList The present invention is directed to systems and methods for improving access to non-volatile solid-state storage systems. Embodiments described herein provide a physical chunk number (PCN), or a physical page number (PPN), by which a controller can access the next available chunks (or pages) in a programming sequence optimized by concurrency. By incrementing the PCN, the controller can program consecutive chunks in the optimized programming sequence. In one embodiment, the programming sequence is determined at the time of initial configuration and the sequence seeks to synchronize data programming and data sending operations in subcomponents of the storage system to minimize contention and wait time. In one embodiment, the PCN includes an index portion to a superblock table with entries that reference specific blocks within the subcomponents in a sequence that mirrors the optimized programming sequence, and a local address portion that references a particular chunk to be programmed or read.
Author SYU MEI-MAN L
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Snippet The present invention is directed to systems and methods for improving access to non-volatile solid-state storage systems. Embodiments described herein provide...
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SourceType Open Access Repository
SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
Title System and method for managing data access in non-volatile memory
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