Storage Gateway

Question 1

What is a Storage Gateway?

Answer 1

It is a service that connects an on-premises software appliance with cloud-based storage to provide seamless and secure integration between an organization’s on-premises IT environment and AWS’s storage infrastructure. The service enables you to securely store data to the AWS cloud for scalable and cost effective storage.

Question 2

True or False: A Storage Gateway is a physical device.

Answer 2

True and False. A Storage Gateway can be either a physical device or a virtual device.

Question 3

What is a HyperVisor?

Answer 3

It is what a VM is run on, ex. VMware or Parallels.

Question 4

What are the 3 types of Storage Gateways?

Answer 4

1. File Gateway (NFS+SMB)
2. Volume Gateway (iSCSI)
   2a. Stored Volumes
   2b. Cached Volumes
3. Tape Gateway (VTL)

Question 5

What is File Gateway?

Answer 5

Files are stored as objects in S3 buckets, accessed through a Network File System (NFS) mount point.

Question 6

What is Volume Gateway?

Answer 6

Data is written to disk volumes using iSCSI and backed up as snapshot of the volumes and stored in EBS incremental snapshots.

Question 7

What is the Stored Volume version of Volume Gateway?

Answer 7

Stored volumes let you store your primary data locally while backing that full data set up to AWS.

Question 8

What is the Cached Volume version of Volume Gateway?

Answer 8

Cached volumes allow use of S3 as the primary data storage while retaining the most frequently accessed data locally in the Storage Gateway.

Question 9

What is the different between Volume Gateway - Cached Volume and Volume Gateway - Stored Volume

Answer 9

Cached volumes store the most frequently accessed data whereas Stored volumes store the entire dataset.

Question 10

What is Tape Gateway?

Answer 10

Tape Gateway allows for archiving tape-based backups on virtual tape cartridges.