High Availability Guide : Watchdog sample : Failure situations and Watchdog actions : Communication link between the Watchdog and Secondary is down
  
Communication link between the Watchdog and Secondary is down
Scenario
The connection between the Watchdog and the Secondary server is broken.
Remedy
The Primary and Secondary servers can continue operations even when the Watchdog link to the Secondary server is down. When the Watchdog link to the Secondary is fixed, be sure to check the Primary and Secondary servers to confirm their states.
1 Fix Watchdog’s network connection to Server2.
Symptoms
The Watchdog poll fails at the Secondary server.
Further scenarios
If the servers states have changed and one server is no longer in service, refer to the applicable scenario in this section for instructions.
How to recover when the communication link between the Watchdog and Secondary is down
About this task
To recover from the scenario where the connection between the Watchdog and the Secondary server is broken:
Procedure
1 Allow the Primary and Secondary servers to continue normal operations.
2 Fix the network connection between the Watchdog and the Secondary server.
3 Once the network is connected, have the Watchdog check the state of each server with the command:
ADMIN COMMAND 'hotstandby state';
See also
Failure situations and Watchdog actions