Real-time fail-over recovery for a media area network
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United States of America Patent
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Dec 11, 2007
Grant Date -
Apr 27, 2006
app pub date -
Jul 3, 2003
filing date -
Aug 2, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A media area network includes a storage system having at least one storage device for storing digitized information. A host bus adapter provides a link between the storage system and a host system that provides overall control of the media area network. Within the host bus adapter, a lower-level port driver monitors communications between the storage system and the host bus adapter. In the event of a communications failure, the lower-level port driver initiates switching from a failed port to an alternative port, thereby achieving fail-over recovery. Allocating the responsibility for fail-over recovery to the lower-level port driver assures timely handling of port failures, thereby reducing potential latency delays.
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