What does this AWS Solution do?
Many Amazon Web Services (AWS) customers who use Amazon Elastic File System (Amazon EFS), a highly available and durable file storage service, choose to implement a backup solution to be able to recover from unintended changes or deletions to their file systems.
AWS offers an easy-to-deploy EFS-to-EFS backup solution that automatically creates incremental backups of an Amazon EFS file system on a customer-defined schedule.
This webpage provides an overview of the EFS-to-EFS backup solution's design and functionality.
AWS Solution overview
AWS offers an easy-to-deploy solution that allows you to automatically back up Amazon EFS file systems. The diagram below presents the components and functionality you can build using the EFS-to-EFS backup solution implementation guide and accompanying AWS CloudFormation template.
EFS-to-EFS Backup solution architecture
The Lambda function launches an Amazon Elastic Compute Cloud (Amazon EC2) instance, creates an ID for the backup, and stores details on the backup Amazon Elastic File System (Amazon EFS) file system in an Amazon DynamoDB table.
The Amazon EC2 instance mounts the source and backup Amazon EFS file systems and initiates the backup. When the backup process completes, the instance updates the backup activity details in the DynamoDB table and sends logs to an Amazon Simple Storage Service (Amazon S3) bucket. Then, the instance is terminated.
If the backup is unsuccessful, Amazon Simple Notification Service (Amazon SNS) sends a notification to subscribed email addresses. You can also choose to be notified if the backup is successful.
EFS-to-EFS Backup reference implementation
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