| Plugin Title | RDS Multiple AZ |
| Cloud | AWS |
| Category | RDS |
| Description | Ensures that RDS instances are created to be cross-AZ for high availability. |
| More Info | Creating RDS instances in a single AZ creates a single point of failure for all systems relying on that database. All RDS instances should be created in multiple AZs to ensure proper failover. |
| AWS Link | http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html |
| Recommended Action | Modify the RDS instance to enable scaling across multiple availability zones. |
- Log into the AWS Management Console.
- Select the "Services" option and search for RDS.
- Scroll down the left navigation panel and choose "Databases".
- Select the "Database" that needs to be verified and click on the selected "Databse" from the "DB identifier" column to access the database.
- Click on the "Configuration" under the selected database configuration page.
- Scroll down the "Configuration" tab and check the "Availability" section.Check the "Multi AZ" and if it's "No " then selected database cannot scale across multiple availability zones .
- Repeat steps number 2 - 6 to check other RDS instances.
- Select the "Database" on which automated backup needs to be enabled. Click the "Modify" button at the top to make the necessary changes.
- Scroll down the "Modify DB Instance" page and check for "Multi-AZ deployment" under "Instance specifications".
- On the "Multi-AZ deployment" section under "Instance specifications" click on the "Yes" button.
- Scroll down the "Modify DB Instance" page and click on "Continue" button.
- On the "Scheduling of modifications" choose "Apply immediately" so that it will made the above changes applied as soon as possible and click on the "Modify DB Instance" button.
- Repeat steps number 8 - 12 to enable scaling across multiple availability zones.
