Fault-tolerant routing scheme for a multi-path interconnection fabric in a storage network
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United States of America Patent
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Apr 19, 2005
Grant Date -
Jan 30, 2003
app pub date -
May 7, 2001
filing date -
May 7, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of a routing system are disclosed, including a method for routing a plurality of communications in a storage system. The storage system may include a plurality of nodes interconnected by an interconnection fabric that provides multiple independent paths between each source node and each destination node. Some nodes may be connected to one or more disk drives. The method may include receiving a communication to be sent from a source node to a destination node, selecting a communication path from the multiple independent paths between the source and destination nodes, and sending the communication on the selected communication path. This process may be repeated so that multiple communications may be sent. Each communication path is systematically selected at least occasionally to send at least one of the communications to prevent any path from having undetected problems.
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