EC2 Instance Storage

Question 1

What is an EBS Volume

Answer 1

An EBS volume is a network drive you can attach to your instances while they rub
Allows instances to persist data even after termination
Can only be mounted to one instance at a time
They are bound to an accessibility zone

Question 2

What is an AMI

Answer 2

AMI = Amazon Machine Image
AMIs are a customization of an EC2 instance
AMIs are built for a specific region
Think of it like a build kit with all the required pieces and instructions on how to build it

Question 3

EC2 Image Builder

Answer 3

Used to automate the creation of Virtual Machines or container images
Automate the creation, maintenence, validation, and testing of EC2 AMIs

Question 4

EC2 Instance Store

Answer 4

If you need a high-performance hardware disk, use instance store
Better I/O performance
Instance Store will lose data upon termination
Good for buffer/cache/scratch data/temporary content

Question 5

EFS - Elastic File System

Answer 5

Managed network file system that can be mounted onto 100s of EC2 instances
Only works for Linux instances, but works across AZs
Highly available, scalable, expensive, pay per use, no capacity planning

Question 6

EFS Infrequent Access

Answer 6

Storage class that is cost optimized for files not frequently accessed
Up to 92% lower cost than EFS standard
If turned on EFS will automatically move files to EFS-IA based on when they were last accessed and life cycle policy

Question 7

What is Amazon FSx and what are the 3 types?

Answer 7

FSx allows you to launch 3rd party high performance file systems on AWS.
The 3 are FSx for Windows file server, FSx for Lustre, and FSx for NetApp onTap

Question 8

FSx for Windows

Answer 8

Network file system for Windows servers

Question 9

FSx for Lustre

Answer 9

High-performance computing Linux file system