AWS Certified Solutions Architect - Professional 2020

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Storage Gateway – Volume gateway stored volumes vs. DataSync

Seems both "Storage Gateway – Volume gateway stored volumes" and "DataSync" are able to backup data from on-premises to S3 asynchronously. What are the difference between Storage Gateway – Volume gateway stored mode vs. DataSync? And what are the scenario for both functions?

1 Answers

Hi Kevin,

Both are similar in their functions, but I would say DataSync is more flexible as it can be used to sync with EFS or FSx in addition to S3.  It is a stand-alone VM that connects to your existing NFS volumes and manages a sync to AWS storage resources.  

Storage Gateway Volume Gateway can be thought of as a pseudo-NAS itself that syncs to S3.  You can attach to its volumes via iSCSI on the Storage Gateway itself, which are synced to S3.

Subtle differences but similar use-cases.


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