What is AWS Storage Gateway?

  • the storage gateway itself is a software appliance that can be installed within your own data center
  • The appliance can be downloaded as a virtual machine
  • Allow you to securely store your file as an object within S3, presented as an NFS share which the client can mount or map a drive to
  • All data is sent over an HTTPS connection
  • All Objects are automatically encrypted using SSE-S3(Serverside Encryption with S3 managed keys)
  • A Local cache is provisioned using on-premise storage to access the most recent accessed files to optimized latency
  • Used to backup your on-premise local storage volumes to Amazon S3
  • Your entire data library is also kept on-premise for minimal latency
  • Stored volumes are backed by Amazon S3 and are mapped directly to on-premise-storage
  • Presented as iSCSI devices allowing communication from your application server
  • As data is written to these volumes, it is first stored using the on-premise mapped storage, before Storage Gateway then copies the same data asynchronously to S3
  • Snapshot of volumes can be taken and stored on S3 as EBS snapshots
  • Volumes size can be 1 Gib — 16 Tib and hold up to 32 volumes giving total storage of 512 TiB
  • Data is stored in an on-premise buffer before being written to S3 using an SSL connection
  • In a disaster, the EBS snapshots can be used to create new EBS volumes and attached to the EC2 instance
  • The primary data storage is on S3 rather than on your own on-premise storage solution
  • A cache is held locally using on-premise storage for buffering, aiding latency
  • Presented as iSCSI devices allowing connectivity from your application servers
  • All data sent to S3 uses an SSL connection and is encrypted using SSE-S3
  • Volumes can be 32 TiB in size with a total of 32 volumes, giving total storage of 1024 TiB
  • Snapshots of these volumes can also be taken and stored on S3 as EBS Snapshots
  • In a disaster, the EBS snapshots could be used to create new EBS volumes which can be attached to EC2 instances
  • Tape Gateways are known as Virtual Tape Libraries(VTL)
  • Allows you to backup data to S3, but also leverage Amazon Glacier for data archiving
  • A Virtual Tape Library is essentially a Cloud-based tape backup solution
  • Tape Gateways contain the following elements: Virtual Tapes, Virtual Tape Library, Tape Drivers, Media Changer, Archives
  • Applications and backup software can mouth the tape drives along with the Media Changer as iSCSI devices
  • Virtual tapes are created as you need them
  • When virtual tapes are archived, the data is moved from Amazon S3 to Amazon Glacier
Nadtakan Futhoem — Sr. Software Engineer

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Founder of Nadtakan.com & Serverless Cloud developer. Follow me on Twitter https://twitter.com/NadtakanF

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Nadtakan Futhoem

Nadtakan Futhoem

Founder of Nadtakan.com & Serverless Cloud developer. Follow me on Twitter https://twitter.com/NadtakanF

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