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Methods of consistent data protection for multi-server applications

  • US 8,250,036 B2
  • Filed: 12/03/2010
  • Issued: 08/21/2012
  • Est. Priority Date: 02/03/2009
  • Status: Expired due to Fees
First Claim
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1. A system, comprising:

  • at least one processor configured to;

    receive a request to perform a snapshot of data associated with an application running on multiple servers;

    instruct In/Out (I/O) Freezers on the servers to freeze data requests from instances of the application running on the servers; and

    instruct the In/Out Freezers to initiate snapshot processing on the data associated with the application so that the In/Out Freezers perform the snapshot processing within a same window of synchronization,wherein the at least one processor is configured to;

    automatically discover the servers running instances of the application;

    automatically discover storage devices associated with each instance of the application;

    determine whether the In/Out Freezers have frozen the data requests after instructing the In/Out Freezers on the servers to freeze the data requests;

    determine whether the In/Out Freezers have initiated the snapshot processing; and

    after determining that all of the In/Out Freezers have initiated the snapshot processing, instruct the In/Out Freezers to no longer freeze data requests.

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