AWSStorage

EBS

Amazon EBS provides persistent block storage volumes for EC2 instances. It is commonly used for operating systems, application data, and databases that need durable attached storage.

What it does

Block storage for EC2 instances.

When to use

Use EBS when EC2 instances need persistent block storage that survives instance restarts.

Key Concepts

EBS volumes attach to EC2 instances as block storage.

Snapshots can be used for backup and recovery.

Volume type affects price and performance.

EBS is commonly paired with EC2-based applications and databases.

Common Use Cases

Root disks for EC2 instances.

Persistent storage for self-managed apps.

Backing EC2-hosted databases and file systems.

Interview Questions

What is EBS?

How is EBS different from S3?

What is an EBS snapshot?