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Point-in-time backup utilizing multiple copy technologies

  • US 6,078,932 A
  • Filed: 01/13/1998
  • Issued: 06/20/2000
  • Est. Priority Date: 01/13/1998
  • Status: Expired due to Term
First Claim
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1. A computer-implemented method for performing a point-in-time backup of source data stored in one or more storage devices that support one or more backup and copy technologies, the method comprising the steps of:

  • (a) suspending updates to the source data;

    (b) identifying one or more extents for the source data and a type of data storage device storing the identified extents;

    (c) determining at least two copy technologies available for the identified type of storage device to create a point-in-time copy of the extents for the source data;

    (d) selecting one of the determined copy technologies; and

    (e) making a point-in-time copy of the identified extents using the selected copy technology.

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