# Initiating the Oracle Data Guard switchover


You can switch over an RDS for Oracle read replica to the primary role, and the former primary DB instance to a replica role.

## Console


**To switch over an Oracle read replica to the primary DB role**

1. Sign in to the AWS Management Console and open the Amazon RDS console at [https://console.aws.amazon.com/rds/](https://console.aws.amazon.com/rds/).

1. In the Amazon RDS console, choose **Databases**.

   The **Databases** pane appears. Each read replica shows **Replica** in the **Role** column.

1. Choose the read replica that you want to switch over to the primary role.

1. For **Actions**, choose **Switch over replica**.

1. Choose **I acknowledge**. Then choose **Switch over replica**.

1. On the **Databases** page, monitor the progress of the switchover.  
![\[Monitor the progress of the Oracle Data Guard switchover.\]](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/images/oracle-switchover-progress.png)

   When the switchover completes, the role of the switchover target changes from **Replica** to **Source**.  
![\[The source and replica databases change roles.\]](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/images/oracle-switchover-complete.png)

## AWS CLI


To switch over an Oracle replica to the primary DB role, use the AWS CLI [https://docs.aws.amazon.com/cli/latest/reference/rds/switchover-read-replica.html](https://docs.aws.amazon.com/cli/latest/reference/rds/switchover-read-replica.html) command. The following examples make the Oracle replica named *replica-to-be-made-primary* into the new primary database.

**Example**  
For Linux, macOS, or Unix:  

```
aws rds switchover-read-replica \
    --db-instance-identifier replica-to-be-made-primary
```
For Windows:  

```
aws rds switchover-read-replica ^
    --db-instance-identifier replica-to-be-made-primary
```

## RDS API


To switch over an Oracle replica to the primary DB role, call the Amazon RDS API [https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_SwitchoverReadReplica.html](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_SwitchoverReadReplica.html) operation with the required parameter `DBInstanceIdentifier`. This parameter specifies the name of the Oracle replica that you want to assume the primary DB role.