VIRTUAL DEFRAGMENTATION OF A STORAGE
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United States of America Patent
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app pub date -
Jan 20, 2015
filing date -
Aug 15, 2014
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Abandoned
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Abstract
Virtual defragmentation of a storage. In one example embodiment, a method for virtual defragmentation of a storage includes various steps. For example, the method includes intercepting a move command directed to a storage during a defragmentation of the storage. The move command specifies an actual location of a block and a defrag location for the block in the storage. The method also includes updating a virtual defragmentation map to record the actual location of the block and the defrag location for the block. The method further includes preventing the block from being moved to the defrag location. The method also includes allowing file system metadata of the storage to be updated to falsely reflect that the block has been moved to the defrag location.
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