Failover Management

Failover events and information are available within Workflows. These are all located under Failover Management in the Trigger Browser and Logic Editor.

Triggers

Trigger Description
Failover Status Changed A data server in the project has a new failover status.

Properties

Property Description
Item ID The unique identifier for this item.
Item Type The Type of item this is.
Name The value for this property is the Description configured via the property grid when the item is selected in Designer.
System ID The identifier of the system.
System Name The name of the system.
Server Address The address of the data server. The Server Address will contain a port and a priority. The format for Server Address Property when accessed in a Workflow will be: <IP Address of Data Server>:<Port>.

Example: 127.0.0.1:9001
Connection State The current state of the data server connection. There are seven possible messages:
  • Initiated
  • Connection Successful
  • Connection Failed
  • Disconnected
  • Recovery Started
  • Recovery to Failover
  • Recovery to Primary
Table 1. Connection State Messages
Name Description
Initiated Runtime is attempting to connect to the data server.
  • This usually only happens at Startup.
Connection Succeeded Runtime successfully connected to the data server.
  • This usually follows an Initiated, Recovery Started, Recovery to Failover, or Recovery to Primary message.
Connection Failed Runtime attempted and failed to connect to the data server.
  • This usually follows an Initiated, Recovery Started, or Recovery to Failover message.
Disconnected Runtime was previously connected to a data server and lost connection.
Recovery Started Runtime has tried to reconnect after a lost connection.
  • This usually follows a Disconnected message
Recovery to Failover Runtime is attempting to connect to a different data server according to its data server configuration.
  • This usually follows a Connection Failed message.
Recovery to Primary Runtime has recovered back to the primary server. This message is only available if the Reconnect to primary server when available box is checked.