Intra-device and inter-device data recovery in a storage system

Intra-device and inter-device data recovery in a storage system

Multiple allocation units are selected from a set of solid state storage devices for storage of data. An erasure code and intra-device recovery data associated with the data are generated. The intra-device recovery data is written in each of the plurality of allocation units of the set of solid-stat...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Kirkpatrick, Peter E, Karr, Ronald
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:Multiple allocation units are selected from a set of solid state storage devices for storage of data. An erasure code and intra-device recovery data associated with the data are generated. The intra-device recovery data is written in each of the plurality of allocation units of the set of solid-state storage devices. The erasure code is written in a subset of the plurality of allocation units.