Methods and apparatus for recording write requests directed to a data store
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United States of America Patent
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Mar 8, 2011
Grant Date -
Mar 24, 2005
app pub date -
Aug 24, 2004
filing date -
Sep 23, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A storage management device records write requests that are directed to a data store. In one embodiment, the storage management device records a plurality of write request entries, each one of which includes information relating to a write request, in at least one first database table, and maintains, for each first database table, at least one record in a second database table. The one or more records in the second database table include data representing the effects of the write requests on a state of at least one portion of the data store. In one such embodiment, each time that one write request entry is recorded in one first database table, the storage management device updates at least one record in the second database table.
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