Gain seamless file system access to your Amazon S3 data without the need for cumbersome data migration or duplication. A significant enhancement for storage flexibility allows AWS FSx for OpenZFS file systems to mount existing S3 buckets directly as file system datasets. This revolutionary capability means your applications requiring POSIX file system access can now operate directly on data residing in S3, treating the object storage as if it were local block storage presented via a file system interface.
This direct access feature bypasses the traditional approach of copying or synchronizing data between S3 and file systems. Instead, FSx for OpenZFS serves the S3 data on demand, caching frequently accessed blocks locally for improved performance. This approach offers substantial benefits, including significant cost savings by eliminating redundant storage copies and the egress transfer costs often associated with data movement. It dramatically reduces complexity in hybrid cloud architectures and cloud-native workflows where applications are designed for file interfaces but the primary data store is S3.
Leveraging FSx for OpenZFS with direct S3 access simplifies tasks like running legacy applications, processing data lakes, performing analytics, or facilitating media workflows that operate on vast amounts of data stored economically in S3. You get the rich features of OpenZFS, such as snapshots, cloning, and data protection, applied to data sourced directly from your S3 buckets, all without the overhead and cost of replicating the entire dataset. This efficient integration unlocks new possibilities for utilizing your S3 data with the familiarity and control of a high-performance file system.
Source: https://aws.amazon.com/blogs/aws/amazon-fsx-for-openzfs-now-supports-amazon-s3-access-without-any-data-movement/
