An on-premises Microsoft SQL Server creates a nightly 200 GB export to a local drive. The company wants to store these backups in Amazon S3. A 10 Gbps AWS Direct Connect link exists between the data center and AWS. Which approach is the MOST cost-effective way to meet the requirement?
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Correct answer: Create an S3 bucket and deploy an AWS Storage Gateway file gateway in the VPC connected via Direct Connect. Create an SMB file share on the file gateway and write the nightly database exports to that SMB share..
Why this is the answer
The most cost-effective solution is to use an AWS Storage Gateway File Gateway. This service provides a local SMB interface that on-premises applications can write to, and it asynchronously uploads the data to Amazon S3. This leverages the existing Direct Connect link efficiently and uses S3's cost-effective storage. Amazon FSx for Windows File Server is a fully managed service that provides native SMB access, but it is generally more expensive than Storage Gateway for simple S3 archival, especially for large, infrequent backups. Both Single-AZ and Multi-AZ FSx options would incur higher costs. A Storage Gateway Volume Gateway is designed for block storage (iSCSI) and presents volumes to on-premises servers, not SMB file shares directly for file-based backups, making it unsuitable for this specific requirement.
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