Advantages and disadvantages of performing failback with controlled transition
There are both advantages and disadvantages to this method of failback processing.
The advantages are as follows:
![*](bullet.png)
Downtime in the event of a failure is minimized.
![*](bullet.png)
You maintain complete control over when and how the transition of both databases is performed.
![*](bullet.png)
In the event of a primary transition failure, you can still use the secondary database for production activity.
![*](bullet.png)
In the event of a secondary transition failure, you can use the primary database for production activity.
The disadvantages are as follows:
![*](bullet.png)
You must perform additional steps to complete failback.
![*](bullet.png)
You must have access to both the primary and secondary machines.
![*](bullet.png)
Multiple database shutdowns are required.
![*](bullet.png)
You must restart both databases after they successfully transition.