Apparatus, system, and method for ensuring data validity in a data storage process
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United States of America Patent
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Nov 20, 2012
Grant Date -
Jun 11, 2009
app pub date -
Apr 5, 2008
filing date -
Dec 6, 2007
priority date (Note) -
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Abstract
An apparatus, system, and method are disclosed for ensuring data validity in a data storage process. A data receiver module receives a storage block and existing parity information. An ECC generation module generates error correcting code (“ECC”) check bits for the data of the storage block in response to receiving the storage block and the existing parity information. The ECC check bits for the storage block are generated using a block code, a convolutional code, etc. A pre-storage consistency module uses the data of the storage block, the existing parity information, and the ECC check bits to determine if the data of the storage block, the existing parity information, and the ECC check bits are consistent. A data storage module stores the data of the storage block and the ECC check bits the data storage device without storing the existing parity information.
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