Migration and Transfer Services

Question 1

What is DMS and what are its features?

Answer 1

Database Migration Service
On-premises to the cloud
Continuous data replication
Homo- and Hetero-geneous migrations
virtually no downtime

Question 2

What are some real-world use cases of DMS?

Answer 2

Oracle to Aurora My SQL (on-prem to cloud - different)
Oracle to Oracle (on-prem to cloud - same)
RDS Oracle to Aurora MySQL (cloud to cloud)

Question 3

What is Server Migration Service?

Answer 3

migrate on-prem servers to AWS
server is then saved as an AMI
use AMI to launch servers as EC2 instances

Question 4

What is the AWS Snow Family and what are they for?

Answer 4

Snowcone
Snowball
Snowmobile
They are physical devices which help transfer data from on-prem to cloud
More cost-effective and faster than using the internet

Question 5

When would you use a snow product

Answer 5

For large amounts of data

Question 6

Describe Snowcone

Answer 6

holds 8 TB of usable storage
offline data shipping or online with DataSync

Question 7

Describe Snowball and Snowball Edge

Answer 7

Petabyte-scale data transport solution.
Transfer data in and out
Snowball Edge supports EC2 and Lambda, and has local processing for disconnected environments

Question 8

Describe Snowmobile

Answer 8

Multi-petabyte or exabyte scale
Moves your data in a 45-ft long shipping container
Data is driven to a data center and loaded to S3
Escort security vehicle, GPS, video surveillance

Question 9

When is Snowmobile typically used?

Answer 9

When shutting down datacenter and completely moving to AWS

Question 10

What is DataSync?

Answer 10

Online data transfer from on-prem to AWS storage like S3 or EFS
OR copy between AWS storage services
Copy data cross-region or cross-account
Uses Direct Connect or the internet