TMG7800 Controller Replacement

This procedure is used to replace a faulty controller with a new controller or add a new controller to existing single controller system.

Prerequisite

Prior to replacing faulty controller or add new controller to the system, you must have the following:

• You must have ordered and obtained new TMG7800 server controller from Telcobridges
• In case of 3.0 system with CentOS 7, you must have already a 3.0 TMG7800 Controller server whether you had completed TMG7800 Baremetal Installation by yourself or not
• The replacing of new controller is with Primary Host role. If this is not done, please follow Setting Host Role to Primary to set controller to Primary Host

Backup your system configuration

Before Proceeding with the procedure, it is a must to backup your configuration from other controller which is running normally. Please follow this link: Backup procedure
Note: The database backup should be done and stored at a safe place regularly

Upload and Recover your backup system configuration

After backup the configuration from other controller, upload the configuration to the new controller by following this link: Upload Configuration and recover the configuration

Removing the Defective/Controller

This procedure is required for replacing existing faulty/controller

• Shutdown the faulty/TMG7800 controller
• Disconnect the faulty/TMG7800 controller from existing network where the other controller is residing
• Remove the faulty/TMG7800 controller from the equipment rack

Installing the Replacement/Additional Controller

• Rack-mount the Replacement/Additional Controller
• For minimizing system downtime, connect the new controller to a new network different from existing running controller's network to avoid conflict when this new controller is started up
• Connect the new controller to the new Management network
• Connect the new controller to the new Control network in preparation for the existing controller to join back

Starting Up the new TMG7800 Controller

• Power up the new TMG7800 controller if not done so

Adding the additional new adapter to the replacement/additional controller

This procedure is required only if any new adapter unit will be installed during this controller replacement/adding process

• Upload the license of the new adaptor unit in the system. See Uploading a license.
  
• Follow Adding Telecom Hardware to add additonal adapter hardware unit

Moving and connecting physically the existing adapter(s) to the new network

This procedure is required when the new controller had been installed in the new network different from existing running controller's network

Reset the host role of existing controller

• Follow Reset Host Role to reset the existing Controller to Secondary Host
• Follow TMG7800 Installation guide to reconnect both Primary and Secondary Controllers for Control, Management, and Adapters Networks.