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Methods and Apparatus for Managing Error Codes for Storage Systems Coupled with External Storage Systems

  • US 20110252274A1
  • Filed: 04/08/2010
  • Published: 10/13/2011
  • Est. Priority Date: 04/08/2010
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a first storage system including;

    a first port to receive I/O operations from host computers;

    a first storage controller including a first processor and first memory; and

    a plurality of first storage devices, which stores data received from said host computers, anda second storage system including;

    a second port to receive I/O operations from said host computers via said first storage controller;

    a second storage controller including a second processor and second memory; and

    a plurality of second storage devices, which stores data received from said host computers,wherein error check codes corresponding to data stored in said plurality of second storage devices are stored in said first storage system.

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