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Virtual array non-disruptive management data migration

  • US 7,757,059 B1
  • Filed: 06/29/2006
  • Issued: 07/13/2010
  • Est. Priority Date: 06/29/2006
  • Status: Active Grant
First Claim
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1. A method of migrating data from a source virtual array to a destination virtual array transparently with respect to a management application program executing on a host and using management information to send management messages to the virtual arrays, the method comprising:

  • copying data from the source virtual array to the destination virtual array during a data migration event;

    associating a first virtual array management interface with the source virtual array and a second virtual array management interface with the destination virtual array, the virtual array management interface of each virtual array including management information that the management application executing on the host can use to communicate with that virtual array; and

    exchanging the first and second array management interfaces during the data migration event so that the virtual array management interface associated with the destination virtual array becomes accessible to the host at the source virtual array and the virtual array management interface associated with the source virtual array becomes accessible to the host at the destination virtual array.

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