In an initial scenario, the Master is the active computer, and the Replica is the standby computer. The standby computer is continuously checking the state of the active one, to decide whether to become active computer.
The first time a switchover occurs, the Replica that was on standby becomes the active computer, and the Master reverts to a standby mode (assuming it is still operational). When the Master (now the 'standby') is ready, a switchback process can be initiated where the Master again becomes active, and the Replica returns to its previous standby and monitoring role.
This section describes the steps required for adding Move IP redirection to the High Availability scenario.
Important! Use this method only when both servers are on the same IP subnet.
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