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Method, system, and program for managing data migration

  • US 20050198450A1
  • Filed: 12/29/2003
  • Published: 09/08/2005
  • Est. Priority Date: 12/29/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • copying a unit of data in a copy data write operation from a source volume of a first organization type to a destination volume of a second organization type;

    writing a progress indicator in a progress indicator data write operation to an area of said destination volume indicating the successful copying of at least said unit of data;

    copying a plurality of additional units of data in a plurality of additional copy data write operations from said source volume to said destination volume; and

    writing an additional progress indicator in an additional progress indicator data write operation to said area of said destination volume indicating the successful copying of at least said plurality of units of data wherein the number of progress indicator data write operations is less than the number of copy data write operations.

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