Module 8: AWS migration services.

Question 1

What is Database Migration service?

Answer 1

Is a service to migrate databse to other database, it support migrations from the same database or you can use different databases to do your migrations. It uses SCT (schema conversion tool) to make heterogenous migrations, because you need to conversion functions, views, querys, etc… You don’t have to stop your database to make a migration it is a self healing service.

Question 2

What is AWS Datasync?

Answer 2

Is a servicde to migrate data from your on premise services to s3 , EFSor aws. To do that you can use Direct conect or internet. IF you want to continue use your on premise devicesin conjuction with aws then it is better to use AWS storage Gateway.

Question 3

Datasync vs snowball/snowball edge

Answer 3

Datasync is used for online transfer (requires a very good internet connection) and snowmobile for offline data transfer or for people with a bad connection.

Question 4

What is AWS migration hub?

Answer 4

Basically is the service to see how your data migration is going. (Here you can se if Datasyn, DMS and other data migration services are working)

Question 5

What is AWS service discovery?

Answer 5

Is a service that is used to collect information of your VM in order to execute a data migration. It is related with AWS migration hub.

Question 6

What is AWS SMS or server migration service?

Answer 6

Is used to replicate VM, Azure vm, mycrosoft hyper -V into aamazon AMI to be deployed in new EC2 instances.

Question 7

What is AWS snowball cone?

Answer 7

Is like a small device that you can use to transfer your data on premise to aws (transfer to S3) is the semallest of snowball family

Question 8

What is AWS snowball?

Answer 8

Is used to transfer Petabyte of data from your on Premise service to S3

Question 9

What is snowmobile?

Answer 9

Is like a huge server that you used to transfer 100 Petabyte or more of data from your on premises service to AWS.

Question 10

What is AWS snowball edge?

Answer 10

Is like a computer that is used to transfer data, but it also provides the posibility of doing data processing task with it. When you finished of transfer your data or you finish the data processing task then you can send back the device to aws to move the data to S3.