The takeover procedure involves transferring the Primary role from an original Primary to a Secondary. When the original Primary fails or is destroyed because of a disaster, the takeover procedure enables you to convert a consistent Secondary to a Primary. The takeover of a Primary role by a Secondary is useful when the Primary experiences unscheduled downtimes or is destroyed because of a disaster.
Use the Takeover task to transfer the Primary role from an original Primary to a Secondary. The Takeover task must be performed on the Secondary host. The Takeover task fails when performed on a Primary host.
The Takeover task performs the following functions on the RDS to which the original Primary belongs:
For details on taking over from the original Primary, refer to Transferring the Primary role.