Storage File Gateway - Storage for file shares
Files stored in Amazon S3 & Glacier
Storage Tape Gateway - Virtual tape backups
Tapes stored in Amazon S3 & Glacier
Avoid complex physical tape backups (wear and tear)
No change needed for tape backup infrastructure
Storage Volume Gateway : Cloud Block Storage
Use cases: Backup, Disaster Recovery, Cloud Migration
(Option 1) Cached (Gateway Cached Volumes):
Primary Data Store - AWS - Amazon S3
On-premise cache stores frequently accessed data
(Option 2) Stored (Gateway Stored Volumes):
Primary Data Store - On-Premises
Asynchronous copy to AWS
Stored as EBS snapshots