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AVEVA™ Batch Management

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Configure a Redundant Network

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  • Last UpdatedOct 30, 2024
  • 2 minute read

Before you install redundant AVEVA Batch Management Servers, you must properly configure two computers to interact on the network.

Important: Qualified personnel must perform the redundant network configuration.

To configure the redundant pair

  1. Name the two computers following AVEVA Batch Management guidelines: standard Windows server names are supported.

  2. Each computer must have dual network interface cards (NICs) as the redundant pair. The two computers should have identical hardware.

  3. Configure each computer for the TCP/IP protocol.

  4. Set up primary and secondary NICs on both computers. Assign proper IP addresses to each NIC.

    It is critical that the two addresses assigned to the NICs on a single server are from different networks. This address difference ensures that the network connection is used for communicating the heartbeats. If these addresses differ only at the host level, redundancy does not work properly.

  5. Configure the binding order of the NICs under Network Connections > Advanced > Advanced Settings so that the primary NIC is at the top of the list and the secondary NIC is on the bottom.

  6. In TCP/IP settings, select the Enable LMHOSTS lookup check box. As a result, the set of four network addresses are loaded into the lmhosts file.

  7. Using the AVEVA Batch Management Configuration Utility, create two sets of logical host names for the computers. For example, one computer is BATCHMANAGEMENT1 and BATCHMANAGEMENTA; the other is BATCHMANAGEMENT2 and BATCHMANAGEMENTB. The logical host names for the primary network are 1 and 2. The logical host names for the secondary network are A and B.

  8. Make sure that the computers can ping each other by name and they can be pinged by name from a third computer on the same network.

  9. Connect the computers with a cross-over cable. Then make sure that they can ping each other by IP. The IP should be on a different subnet than the primary NICs; for example, 10.1.1.1 and 10.1.1.2 works very well.

  10. Modify the lmhosts file on both computers, and add the entries for the logical names and IPs.

    For details, see "Editing the Lmhosts File on Redundant Servers".

  11. Make sure that the two computers can ping each other by their logical host names.

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