MONITORING LOST DATA IN A STORAGE SYSTEM

MONITORING LOST DATA IN A STORAGE SYSTEM

A data validation method comprises associating a validation chunk with one or more data chunks stored on one or more storage mediums. The validation chunk comprises validation information for verifying whether data recorded in a subdivision of the one or more data chunks is lost. A request is receiv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BECKER-SZENDY RALPH A, GUTHRIDGE D. SCOTT, WYLLIE JAMES C, DEENADHAYALAN VEERA W
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A data validation method comprises associating a validation chunk with one or more data chunks stored on one or more storage mediums. The validation chunk comprises validation information for verifying whether data recorded in a subdivision of the one or more data chunks is lost. A request is received for an operation to be performed on first data stored in a first subdivision of a first data chunk from among said one or more data chunks. One or more portions of the validation information are examined to determine whether the data recorded in said first subdivision is deemed to be lost.