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Control facility for processing in-band control messages during data replication

  • US 7,373,468 B1
  • Filed: 06/30/2004
  • Issued: 05/13/2008
  • Est. Priority Date: 02/15/2002
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • performing the following during replication of data from a primary node to a secondary node;

    obtaining a control message from the primary node, whereinthe control message is inserted at the primary node into a replication update stream, which comprises a plurality of updates to be stored on the secondary node; and

    the control message is associated with a control command;

    inhibiting replication of the data at the secondary node, in response to obtaining the control message from the primary node; and

    automatically executing the control command on the secondary node, subsequent to inhibiting replication.

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