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METHOD AND SYSTEMS FOR SYCHRONIZATION OF PROCESS CONTROL SERVERS

  • US 20100049717A1
  • Filed: 08/20/2008
  • Published: 02/25/2010
  • Est. Priority Date: 08/20/2008
  • Status: Abandoned Application
First Claim
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1. A method for synchronization of data stored in redundant servers of a process control system, the redundant servers including an active server and at least one standby server in communication with a plurality of applications, said method comprising:

  • generating a memory snapshot of information stored in a plurality of active server memory locations at a predetermined time, wherein the information stored in the plurality of active server memory locations comprises application operating data for the plurality of applications, and wherein the memory snapshot comprises a data structure that includes a copy of the information stored in the plurality of active server memory locations;

    transmitting the memory snapshot from the active server to the at least one standby server; and

    storing the memory snapshot at the at least one standby server.

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