A company hosts an application that allows authorized users to upload and download documents.

Create an Amazon EFS VPC endpoint for the original EFS file system in the second Region. Mount both the original and the new EFS file system to the new set of EC2 instances in the second Region. Configure an rsync cron job to run every 5 minutes.

Set up EFS replication between the two EFS file systems. Set the new file system as the source. Set the original file system in the first Region as the destination. Turn off overwrite protection for the destination file system.

Set up one AWS DataSync agent in each Region. Configure Amazon EFS VPC endpoints, EFS transfer locations, and EFS transfer tasks with opposite directions on the two DataSync agents.

Mount the EFS file system in the second Region to the new set of EC2 instances in the second Region. Use AWS Transfer Family to establish SFTP access to the EFS file system in the original Region. Configure an rsync cron job to run every 5 minutes.