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High Availability and Disaster Recovery Using Virtualization

  • US 20100162039A1
  • Filed: 12/22/2009
  • Published: 06/24/2010
  • Est. Priority Date: 12/22/2008
  • Status: Active Grant
First Claim
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1. A process for creating periodic backups of a protected system P comprising:

  • a cyclical replication process comprising, in sequence;

    creating a consistent point-in-time snapshot of a protected system at a time t,creating a content manifest of the snapshot Mt(P),generating a delta manifest Dtt−

    1
    (P) comprising a set of information needed to transition between Mt(P) and Mt−

    1
    (P), wherein the set of information is sufficient to enable deriving Mt−

    1
    (P) from Mt(P), andtransmitting the delta manifest Dtt−

    1
    (P) to a repository.

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