AWS Storage - EBS , EFS & S3

AWS provides several storage services designed to meet different use cases for scalability, security, performance, and cost efficiency. Here are the main AWS storage services:

1. Amazon S3 (Simple Storage Service)

• Use Case: Object storage for unstructured data like documents, images, backups, logs, etc.

• Features:

  • Scalability: Virtually unlimited storage.

  • Durability: 99.999999999% durability.

  • Different storage classes (Standard, Intelligent-Tiering, One Zone-IA, Glacier, etc.)

  • Versioning and lifecycle management.

  • Data security features like encryption and access control.

2. Amazon EBS (Elastic Block Store)

• Use Case: Block storage for EC2 instances (like hard drives).

• Features:

  • Persistent storage that remains available even if EC2 instance is terminated.

  • Suitable for databases, file systems, and applications requiring low-latency storage.

  • Different volume types: General Purpose (SSD), Provisioned IOPS (SSD), and Magnetic.

  • Snapshots for backup.

3. Amazon EFS (Elastic File System)

• Use Case: Scalable file storage for use with EC2 instances.

• Features:

  • Network file system (NFS) protocol support.

  • Can be mounted by multiple EC2 instances.

  • Scalable and automatically grows and shrinks as files are added or removed.

  • Supports file-based storage.