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• Knowledge of Ignition and Module installation process: Cloud and MQTT Cirrus Link Module Installation

Summary

The Inductive Automation platform and MQTT modules can be resilient to failures when configured to use redundancy.  Redundant Ignition systems can be set up and configured to act as failover backups for primary/master Ignition instances.  This tutorial will provide step by step instructions for installing a set of Ignition systems with redundancy on the host/primary Ignition instance as well as redundancy on the MQTT enabled edge nodes.  For this tutorial we will show how to set up a total of six Ignition systems.  These will be:

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• Ignition Primary
  • Select Redundancy on the left navigation bar. Then set the Mode to 'Master' and set the Standby Activity left to 'Warm' as shown below.
    
  • Set up the Redundancy Network Settings.  The settings here are specific to your network setup.  On many LAN configurations none of these changes are required.  What is shown below was the configuration for setting up all of these components in Amazon's AWS EC2 instances.  The changes were:
    • Uncheck 'Auto-detect network interface'
    • Set the 'Network Bind Interface' to the public IP address of the Ignition Primary EC2 instance.  On a LAN this would be the primary network interface address of the Ignition Primary machine.
    • Uncheck the 'Autodetect HTTP Address' tickbox.
    • Specify two explicit HTTP addresses for clients to use.  These were the public IP addresses of the Ignition Primary and Ignition Primary Backup EC2 instances.  On a LAN, these would be the primary network interface addresses of the Ignition Primary and Ignition Primary Backup machines.  Also note the HTTP port is 8088 which is the default Ignition HTTP port.Image Modified
  • Set the Master Node Address.  Note in the configuration below a hostname is being used.  This should be the primary network interface address of the Ignition Primary Gateway.
    
  • Finally, click the 'Save Changes' button.
• Ignition Primary Backup
  • Select Redundancy on the left navigation bar. Then set the Mode to 'Backup' and set the Standby Activity left to 'Warm' as shown below.
    
  • Set up the Redundancy Network Settings.  The settings here are specific to your network setup.  On many LAN configurations none of these changes are required.  What is shown below was the configuration for setting up all of these components in Amazon's AWS EC2 instances.  The changes were:
    • Uncheck 'Auto-detect network interface'
    • Set the 'Network Bind Interface' to the public IP address of the Ignition Primary Backup EC2 instance.  On a LAN this would be the primary network interface address of the Ignition Primary Backup machine.
    • Uncheck the 'Autodetect HTTP Address' tickbox.
    • Specify two explicit HTTP addresses for clients to use.  These were the public IP addresses of the Ignition Primary and Ignition Primary Backup EC2 instances.  On a LAN, these would be the primary network interface addresses of the Ignition Primary and Ignition Primary Backup machines.  Also note the HTTP port is 8088 which is the default Ignition HTTP port.
  • Set the Master Node Address.  Note in the configuration below a hostname is being used.  This should be the primary network interface address of the Ignition Primary Gateway.
    
  • Finally, click the 'Save Changes' button.
    
    
• Ignition Edge 1
  • Select Redundancy on the left navigation bar. Then set the Mode to 'Master' and set the Standby Activity left to 'Warm' as shown below.
    
  • Set up the Redundancy Network Settings.  The settings here are specific to your network setup.  On many LAN configurations none of these changes are required.  What is shown below was the configuration for setting up all of these components in Amazon's AWS EC2 instances.  The changes were:
    • Uncheck 'Auto-detect network interface'
    • Set the 'Network Bind Interface' to the public IP address of the Ignition Edge 1 EC2 instance.  On a LAN this would be the primary network interface address of the Ignition Edge 1 machine.
    • Uncheck the 'Autodetect HTTP Address' tickbox.
    • Specify two explicit HTTP addresses for clients to use.  These were the public IP addresses of the Ignition Edge 1 and Ignition Edge 1 Backup EC2 instances.  On a LAN, these would be the primary network interface addresses of the Ignition Edge 1 and Ignition Edge 1 Backup machines.  Also note the HTTP port is 8088 which is the default Ignition HTTP port.
  • Set the Master Node Address.  Note in the configuration below a hostname is being used.  This should be the primary network interface address of the Ignition Edge 1 Gateway.
    
  • Finally, click the 'Save Changes' button.
    
    
• Ignition Edge 1 Backup
  • Select Redundancy on the left navigation bar. Then set the Mode to 'Backup' and set the Standby Activity left to 'Warm' as shown below.
    
  • Set up the Redundancy Network Settings.  The settings here are specific to your network setup.  On many LAN configurations none of these changes are required.  What is shown below was the configuration for setting up all of these components in Amazon's AWS EC2 instances.  The changes were:
    • Uncheck 'Auto-detect network interface'
    • Set the 'Network Bind Interface' to the public IP address of the Ignition Edge 1 Backup EC2 instance.  On a LAN this would be the primary network interface address of the Ignition Edge 1 Backup machine.
    • Uncheck the 'Autodetect HTTP Address' tickbox.
    • Specify two explicit HTTP addresses for clients to use.  These were the public IP addresses of the Ignition Edge 1 and Ignition Edge 1 Backup EC2 instances.  On a LAN, these would be the primary network interface addresses of the Ignition Edge 1 and Ignition Edge 1 Backup machines.  Also note the HTTP port is 8088 which is the default Ignition HTTP port.
  • Set the Master Node Address.  Note in the configuration below a hostname is being used.  This should be the primary network interface address of the Ignition Edge 1 Gateway.
    
  • Finally, click the 'Save Changes' button.

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