AWS Storage Gateway is a hybrid cloud storage service that allows on premise systems access to virtually unlimited cloud storage on AWS.
Storage gateway allow you to link on prem applications to AWS and cashing data locally for low latency access.
With Storage Gateway, it is easy to simplify storage management and drastically cut cost by going hybrid. It can also be used as Disaster Recovery strategy by making sure that backups are stored somewhere else and can be recovery in case of a disaster.
It is important to mention that storage gateway is nota free service. For more information regarding storage gateway prices , please check the link here
AWS Storage Gateway offers three different types of gateways: File Gateway, Volume Gateway and Tape Gateway.
- File Gateway store files as block on amazon S3 using NFS or SMB protocol.
- Volume Gateway is used to backup volume data as EBS snapshots in Amazon S3 using the Iscsi protocol. It has 2 types of volumes: Store Volumes and Cash Volumes.
- a. Cache Volume store all on prem data on S3 and only keep recently accessed data locally.
- b. Store Volume store the primary data locally while it is backups that data as EBS snapshot into S3.
- Tape Gateway (VTL) allow on prem orgs that already have a Tape Library to back up their virtual dates in S3
On the next post, I will be going into the details and also show how it is implemented.
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