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Configuring flashboards for a server group

s that belong to a server group provide automatic fail-over for its member servers for some operations, such as escalations. Multiple s and their associated  servers function as one server. Only one server is active at a given time, while the other  servers in the server group act as backup servers.

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When a computer failure or  failure occurs, the active  server on that computer also shuts down. In this case, an associated  detects the shutdown and activates a backup  server in the same group. When the computer becomes active, the  reactivates the first  server and deactivates the backup server.

However, when a  server fails on a host on which a  is still functioning correctly, the  cannot detect the failure and cannot activate the backup server.

To monitor  servers for server failure

Use the following command: java -jar FlashboardAgent.jar ping -h <serverHostName>

This command returns a 0 to standard out when the server is functioning correctly, and returns a -1 to standard out if the server fails.

If a  server and a  are part of the same group, they must be installed on the same computer.

Setting the port number for a  server in a server group

If the port number (RMIRegistryPort) for  administration in the  server is changed from the default (1150), set the port number in the AR System Administration: AR System Configuration Generic UI form to the same port number.

The syntax is as follows: Server-Group-Flashboards-Admin-Port: 2021

See Updating-configuration-settings-by-using-the-AR-System-Configuration-Generic-UI-form.

This enables the server to communicate flashboards administration information to the   server during server group processing.

 

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AR System 22.1