System and method for detecting and reducing data corruption in a storage device
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United States of America Patent
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Jun 22, 2010
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N/A
app pub date -
Feb 13, 2006
filing date -
Feb 14, 2005
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Abstract
A data storage system using flash storage maintains a status indicator corresponding to data written into the flash storage. The status indictor of the data indicates whether a disruption, such as a power disruption or a device disconnection, occurred when the data was being written into the flash storage. The data storage system determines whether the data may be corrupted based on one or more of the status indictors. The data storage system may make this determination at a selected time or after a power-up of the data storage system. If the data is determined to possibly be corrupted, the data storage system may optionally discard the corrupted data from the flash storage or flag the corrupted data for future removal.
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