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Buffering and High Availability

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Distributed, highly available PI Server deployment

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  • Last UpdatedOct 02, 2024
  • 1 minute read

For distributed systems with large workloads and point counts and with multiple Data Archive servers that link to a central PI AF database, we recommend that you:

  • Install Data Archive in a collective deployment. See Buffering and High Availability.

  • Install PI AF server using an approach based on network load balancing and Microsoft high availability technologies. See PI AF high-availability solutions.

  • Install Microsoft SQL Server for your PI AF SQL database in an Always On Availability group. See PI AF high-availability solutions.

  • Install PI Analysis Service in a failover cluster.

  • Install PI Notifications Service in a failover cluster.

We recommend deploying PI AF servers and Microsoft SQL Servers on separate, redundant computers to achieve the best level of performance and scalability.

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