ENHANCEMENT OF STORAGE LIFE EXPECTANCY BY BAD BLOCK MANAGEMENT
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United States of America Patent
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Issued Date -
Sep 16, 2010
app pub date -
Feb 16, 2010
filing date -
Feb 13, 2009
priority date (Note) -
Abandoned
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Abstract
A method and system are disclosed that permit a storage device to remain fully functional despite running out of a sufficient supply of spare blocks in memory. The storage device includes a non-volatile memory and a controller, where the controller is configured to detect an insufficiency of spare blocks and convert operative blocks to spare blocks. The method includes techniques for selecting certain operative blocks for conversion to spare blocks using the storage manager on the storage device and a file system manager that may or may not be part of the storage device.
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