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• Two host machines, one for the primary host and one for the backup host.
• Both hosts must be configured such that the RTView processes on each host can connect to each other via socket.
• Both hosts must be able to access:
  • the same data connections
  • the same historian database
  • the alert threshold database
• The RTView processes on both hosts must be able to run against identical properties files. In the case where drivers or other third party jars are located in different directories on the two hosts, create a directory in the same location in each host, copy the jar files into and reference that directory in your properties.
• Tomcat or other Application Server
  • The HTML UI and rtv servlets must be deployed on an application server other than the internal Jetty server. Note that this requires extra configuration of the servlet .war files in the application server. The application server must be able access both the Primary Host and Backup Host. Refer to your application server documentation if you need high availability access to your application server.

Steps for Configuring High Availability

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