Ditto blocks
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United States of America Patent
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Jun 22, 2010
Grant Date -
May 10, 2007
app pub date -
Apr 19, 2006
filing date -
Nov 4, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method for storing a data block in a storage pool, including receiving a write operation for the data block, writing the data block into the storage pool, determining a first indirect block to store in the storage pool, wherein the first indirect block references the data block, writing the first indirect block to a first location in the storage pool, creating a copy of the first indirect block, and writing the copy of first indirect block to a second location in the storage pool.
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