9_Adding EC2 Storage

Flashcards summarizing EC2 Instance Storage options.

What type of volume does every EC2 instance have?

Every EC2 instance has one root volume, and can optionally have one or more data volumes.

What are the two options for root volumes on EC2 instances?

Solid State Drive backed volumes from Amazon Elastic Block Store (EBS) and Instance Store.

What can be used as a data volume for an EC2 instance?

Amazon EBS or Instance Store.

What is a limitation of Amazon EBS and Instance Store when used as data volumes?

They can only be used by a single instance.

What should you use to share data volumes among multiple EC2 instances?

Amazon Elastic File Server (EFS) for Linux instances and Amazon FSx for Windows File Server for Windows instances.

What is Instance Store?

Temporary block-level storage for an instance that resides on disks physically attached to the host computer.

What can you do to an Instance Store backed instance?

You can only reboot or terminate it.

What happens to the data during a reboot on Instance Store? What is it good for?

It retains data during an instance reboot and is good for temporary storage of frequently changing information.

What is Amazon EBS?

Block-level storage for use with EC2 instances that can be network attached, persist independently, be encrypted, and backed up to Amazon S3.

What is an example use case for Amazon EBS storage?

Running a database on an EC2 instance.

What are Amazon EBS optimized instances?

Instances optimized for increased IO access to an EBS volume, having a dedicated network connection to the EBS volume.

What is Amazon EFS?

A fully managed service that provides file system storage for Linux-based workloads, allowing multiple EC2 instances to access it simultaneously.

What are common use cases for Amazon EFS?

File systems for enterprise applications, database backups, and content management.

What is Amazon FSx for Windows File Server?

A fully managed Windows file server backed by a native Windows file system for Microsoft Windows EC2 instances.

What is a common use case for Amazon FSx for Windows File Server?

Applications lifted and shifted from on-premises Windows systems to the cloud.

For a data volume that serves multiple Linux instances, what do you use?

Use Amazon EFS.

For a data volume that serves multiple Microsoft Windows instances, what do you use?

Use Amazon FSx for Windows File Server.