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Ordering updates in remote copying of data

  • US 20050154786A1
  • Filed: 01/09/2004
  • Published: 07/14/2005
  • Est. Priority Date: 01/09/2004
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • receiving, by at least one storage unit, a plurality of updates from at least one host, wherein a received update includes a first indicator that indicates an order in which the received update was generated by a host;

    associating a second indicator with the received update based on an order in which the received update was received by a storage unit;

    aggregating the plurality of updates received by the at least one storage unit; and

    ordering the aggregated updates, wherein the ordered updates can be consistently copied.

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