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Data mirroring between controllers in an active-active controller pair

  • US 20030101228A1
  • Filed: 11/02/2001
  • Published: 05/29/2003
  • Est. Priority Date: 11/02/2001
  • Status: Active Grant
First Claim
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1. A method for mirroring data using two controllers in a storage system, comprising:

  • providing a message that includes metadata by a first controller to a second controller and in which said message including said metadata is not greater than 128 bits, with said message being part of a first mirroring operation; and

    continuing with said first mirroring operation after said providing step.

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