Using the following steps you can promote DC2 to primary role after a fail over. DC1 does not synchronize data after this operation until a rebuild from DC2 is available.
Note:
You must perform this switch over only during a maintenance window.
Before you begin
Ensure that the secondary data center is on standby mode.
Procedure
Log in to the Cluster Control Manager (CCM) console as the customer user.
Switch to being the root user by entering the command su.
To run the Analytics Administration script, use the following command:
ccm release orca analytics
To select the Geo/High Availability option, enter the corresponding number.
To select the Geo options option, enter the corresponding number.
To select the Switch over: Promote secondary data center database to primary option, enter the corresponding number.
Warning:
You must use this option only on the secondary data center.
In the Proceed to Geo switchover, enter y.
Entering n cancels the operation.
In the Continuing will switch over this data center to Primary data center field, type y and press Enter.
This operation is successful only when a server is available on standby mode.
