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Remediation

From Console​

  1. Login to the AWS Management Console and open the RDS dashboard.
  2. In the left navigation pane, click on Databases.
  3. Select the database instance that needs Multi-AZ deployment to be enabled.
  4. Click the Modify button at the top right.
  5. Scroll down to the Availability & Durability section.
  6. Under Multi-AZ deployment, select Yes to enable.
  7. Review the changes and click Continue.
  8. On the Review page, choose Apply immediately to make the change without waiting for the next maintenance window, or Apply during the next scheduled maintenance window.
  9. Click Modify DB Instance to apply the changes.

From Command Line​

  1. Run the following command to modify the RDS instance and enable Multi-AZ:.
aws rds modify-db-instance --region <region-name> --db-instanceidentifier
<db-name> --multi-az --apply-immediately
  1. Confirm that the Multi-AZ deployment is enabled by running the following command:
aws rds describe-db-instances --region <region-name> --db-instanceidentifier
<db-name> --query 'DBInstances[*].MultiAZ'
  • The output should return True, indicating that Multi-AZ is enabled.
  1. Repeat the procedure for other instances as necessary.