DATA RECOVERY USING ADDITIONAL ERROR CORRECTION CODING DATA

A method in a data storage device including a memory and an error correction coding (ECC) engine. A first ECC page including a data block and first main ECC data is stored to the memory. The first main ECC data is usable by the ECC engine to correct errors in the first ECC page. A second ECC page in...

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Bibliographische Detailangaben
Hauptverfasser: D'ABREU, Manuel Antonio, SKALA, Stephen
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A method in a data storage device including a memory and an error correction coding (ECC) engine. A first ECC page including a data block and first main ECC data is stored to the memory. The first main ECC data is usable by the ECC engine to correct errors in the first ECC page. A second ECC page including first additional ECC data is also stored to the memory. The first additional ECC data is usable by the ECC engine to correct errors in a single sub-block of multiple sub-blocks within the data block.