Which replacement to the on-premises file share is MOST resilient and durable?
Migrate the file Share to Amazon RDS.
Migrate the file Share to AWS Storage Gateway
Migrate the file Share to Amazon FSx for Windows File Server.
Migrate the file share to Amazon Elastic File System (Amazon EFS)
Explanations:
Amazon RDS is a managed relational database service, which is not suitable for file sharing as it is designed for structured data storage, not file-based storage.
AWS Storage Gateway is a hybrid cloud storage service that enables on-premises applications to use AWS storage. While it can facilitate integration with on-premises file shares, it does not provide the same level of durability and resilience as a dedicated file storage solution.
Amazon FSx for Windows File Server is a fully managed native Windows file system that provides high durability and availability, making it an ideal replacement for on-premises file shares in an AWS environment. It is specifically designed for Windows workloads and supports SMB protocol, which is typically used in IIS applications.
Amazon EFS (Elastic File System) is a fully managed file storage service for use with AWS Cloud services and on-premises resources. While it provides durability and scalability, it is not optimized for Windows file sharing as FSx is, making FSx a better fit for IIS applications.
I would say the answer is:
Migrate the file Share to Amazon FSx for Windows File Server.