Initiating a Warm Failover of the Manager Unit

You can use the initiate failover command to initiate a "warm" restart. This command reloads the management unit, triggering the standby unit to take over. As the standby management unit takes over, the system continues to forward end-user traffic. The end-user data streams may lose a few packets during the failure, but they do not lose their IP sessions, such as VoIP calls.

If there no standby unit is available when the initiate failover command is issued, the command fails with an error message stating that no standby unit exists. If the standby unit is not ready for a warm restart, the command fails with a similar error message. The move management command triggers a cold restart, even if the target unit is the backup unit.