EBS vs EFS

Question 1

What are EBS volumes?

Answer 1

EBS volumes are locked at the Availability Zone (AZ) level

Question 2

How can you increase IO independently in gp3 & io1 EBS volumes?

Answer 2

gp3 & io1 EBS volumes can increase IO independently

Question 3

What are the steps to migrate an EBS volume across AZ?

Answer 3

To migrate an EBS volume across AZ:
1. Take a snapshot
2. Restore the snapshot to another AZ

Question 4

What should you not do when running EBS backups?

Answer 4

EBS backups use IO and you shouldn’t run them while your application is handling a lot of traffic

Question 5

How can you prevent EBS volumes from being terminated when an instance is terminated?

Answer 5

EBS volumes are terminated by default if the instance gets terminated. You can disable that