AWS Storage Services Flashcards
Types of AWS Storage Options
S3 EC2 Storage EC2 Instance Store Elastic Block Storage (EBS) Elastic File System (EFS) Storage Gateway AWS Backup
Amazon Elastic Block Store (EBS)
EBS is a storage device (called a volume) that can be attached to (or removed from) your instance.
Can only be attached to one instance in the same Availability Zone.
Tied to one Availability Zone.
Recommended for:
Quickly accessible data
Running a database on an instance
Long-term data storage
EC2 Instance Store
An instance store is local storage that is physically attached to the host computer and cannot be removed.
Storage is temporary since data loss occurs when the EC2 instance is stopped.
Storage on disks physically attached to an instance
Amazon Elastic File System (EFS)
EFS is a serverless network file system for sharing files.
Only supports the Linux file system.
Accessible across different Availability Zones in the same Region.
More expensive than EBS.
Recommended for:
Main directories for business-critical apps
Lift-and-shift existing enterprise apps
Storage Gateway
Storage Gateway is a hybrid storage service.
Connect on-premises and cloud data.
Supports a hybrid model.
Recommended for:
Moving backups to the cloud
Reducing costs for hybrid cloud storage
Low latency access to data