Time for action – enabling/disabling fast-start failover
The fast-start failover feature, which can be used for automated failovers in standby databases in the case of a primary database outage, can be enabled and disabled using Cloud Control. On the Data Guard Administration home page, in the Overview section click on Disabled in the Fast-Start Failover field. This will enable us to access the fast-start failover configuration page. At the top of the page, it's indicated that there's no specified Observer for the Data Guard configuration. Select the standby database that will be the fast-start failover target, and then click on Configure Observer.
Fill the observer hostname and Oracle Home information for the primary and alternate observers. If a problem on the observer is detected, Enterprise Manager will restart it on the primary observer host and fall back to the alternate host when necessary. (We can optionally specify connect identifiers for the primary and standby databases.) If not...