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Data storage system

  • US 6,658,478 B1
  • Filed: 08/04/2000
  • Issued: 12/02/2003
  • Est. Priority Date: 08/04/2000
  • Status: Expired due to Term
First Claim
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1. A data storage system comprising:

  • a plurality of storage devices;

    a plurality of nodes for providing access to the storage devices, each node comprising;

    a computer-memory complex operable to provide general purpose computing for the node, a node controller operable to control data transfers through the respective node, and a cluster memory coupled to the node controller, the cluster memory operable to buffer data for the data transfers;

    a plurality of storage device-to-node communication paths for connecting the storage devices to the nodes, wherein each storage device is coupled by two independent storage device-to-node communication paths to two of the nodes; and

    a plurality of primary node-to-node communication paths for interconnecting the nodes, wherein each node is coupled by independent primary node-to-node communication paths to all the other nodes.

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