RDS DB Instance Multiple AZ Enabled Rule
This rule ensures the RDS DB instance is configured with multiple availability zones enabled.
| Rule | RDS DB instance multiple az should be enabled |
| Framework | FedRAMP Low Revision 4 |
| Severity | ✔ Low |
Rule Description: RDS DB instance for FedRAMP Low Revision 4 should have multiple availability zones (AZs) enabled. This is a security requirement to ensure high availability and fault tolerance for the database instance.
Troubleshooting Steps:
If the RDS DB instance does not have multiple AZs enabled, follow these troubleshooting steps:
- 1.
Verify the current configuration of the RDS DB instance by accessing the AWS Management Console.
- 2.
Navigate to the RDS section and select the desired DB instance.
- 3.
Check the "Availability & durability" section to confirm if the DB instance is configured with multiple AZs.
Necessary Codes:
There are no specific codes required for this rule/policy.
Step-by-Step Guide for Remediation:
- 1.
Access the AWS Management Console and navigate to the RDS section.
- 2.
Select the RDS DB instance that needs to be updated.
- 3.
Click on the "Modify" button to update the configuration settings.
- 4.
In the "Availability & durability" section, locate the "Multi-AZ deployment" setting and enable it.
- 5.
Review any additional settings or configurations that need to be updated and make the necessary changes.
- 6.
Click on the "Continue" button to proceed with the modification.
- 7.
Verify the summary of changes and click on the "Modify DB instance" button to apply the changes.
- 8.
Wait for the modification process to complete. This may take several minutes, depending on the size of the database instance.
- 9.
Once the modification is successful, the RDS DB instance will now be configured with multiple AZs enabled, ensuring high availability and fault tolerance.
- 10.
Perform thorough testing to ensure the changes have been applied correctly and that the DB instance is functioning as expected.
Note: It is recommended to take a snapshot of the RDS DB instance before making any modifications for easy rollback in case of any issues.
Remember to follow any necessary change management procedures as specified in your organization's guidelines.