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Processor partnering in a storage system

  • US 7,882,271 B2
  • Filed: 07/30/2007
  • Issued: 02/01/2011
  • Est. Priority Date: 06/02/2005
  • Status: Active Grant
First Claim
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1. A storage system performing a storage transaction associated with an input/output (I/O) command communicated within a network device via a network, the storage system comprising:

  • an application specific integrated circuit (ASIC) having an interconnect device selectively coupling a plurality of dedicated purpose function controllers in the ASIC with a list manager in the ASIC;

    a policy processor that executes an operating system;

    a peripheral device bus operably coupling the policy processor to the plurality of dedicated purpose function controllers via the list manager and not via the network; and

    cache lookup logic executed by the policy processor to, in response to the I/O command, communicate with the list manager via the peripheral device bus to access a memory in which data structures are stored to perform a cache lookup for data corresponding to the I/O command.

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