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INTERFACING WITH A POINT-IN-TIME COPY SERVICE ARCHITECTURE

  • US 20120331247A1
  • Filed: 06/22/2011
  • Published: 12/27/2012
  • Est. Priority Date: 06/22/2011
  • Status: Active Grant
First Claim
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1. A computer program product for creating a point-in-time copy of a volume in a storage used by an application by interacting with a point-in-time copy service, wherein a point-in-time copy comprises an instantaneous logical copy of data, wherein the computer program product comprises a computer readable storage medium having computer readable program code embodied therein that executes to perform operations, the operations comprising:

  • processing a point-in-time copy request to perform a point-in-time copy with respect to the volume in the storage, wherein the request indicates at least one exit, wherein the exit indicates when the exit is to be invoked with respect to an operation of the point-in-time copy and indicates a location of an executable object to execute when the exit is invoked;

    in response to receiving the request, communicating with the point-in-time copy service to prepare for the point-in-time copy;

    for each exit, determining from the exit when to invoke the exit;

    executing the executable object for the exit to invoke to perform operations related to the point-in-time copy in response to invoking the exit; and

    calling the point-in-time copy service to perform the point-in-time copy operation of the volume.

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