System and method for a redundant communication fabric in a network storage system
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United States of America Patent
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Aug 28, 2012
Grant Date -
N/A
app pub date -
Apr 29, 2010
filing date -
Apr 29, 2010
priority date (Note) -
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Abstract
The techniques introduced here include storage systems including a storage controller configured to access data and a storage subsystem including a storage device having n ports, where n is an integer greater than one, and where the storage device is configured to store the data and to make the data available to the storage controller via each of the n ports. The storage systems also include a communication fabric configured to couple the storage controller to each of the n ports of the storage device via m paths, where m is an integer greater than n, so that the storage system is configured to tolerate failure in up to m−1 paths through the communication fabric, such that the data in the storage device remains accessible to the storage controller even in the presence of failure in up to m−1 paths of the m paths.
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