Which solution would meet these requirements?

A financial company has allocated an Amazon RDS MariaDB DB instance with large storage capacity to accommodate migration efforts. Post-migration, the company purged unwanted data from the instance. The company now want to downsize storage to save money. The solution must have the least impact on production and near-zero downtime.

Which solution would meet these requirements?
A . Create a snapshot of the old databases and restore the snapshot with the required storage
B . Create a new RDS DB instance with the required storage and move the databases from the old instances to the new instance using AWS DMS
C . Create a new database using native backup and restore
D . Create a new read replica and make it the primary by terminating the existing primary

View Answer

Answer: B

Explanation:

https://aws.amazon.com/premiumsupport/knowledge-center/rds-db-storage-size/ Use AWS Database Migration Service (AWS DMS) for minimal downtime.