08-05 Storage Services

Last updated Aug 17, 2023 Edit Source

#aws-service

• Simple Storage Service (S3) is a serverless object storage service.
• You can upload very large files and an unlimited amount fo files.
• You can pay for what you store.
• You don’t worry about the underlying file-system, or upgrading the disk size.

• S3 Glacier is a cold storage service.
• It is designed as a low cost storage solution for archiving and long-term backup.
• It uses previous gen HDD drives to get that low cost.
• Highly secure and durable.

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• Data is split into evenly split blocks

• Directly accessed by the OS

• Supports only a single write volume

• in short, when you need a virtual hard drive attached to a VM

• Elastic Block Store (EBS) is a persistent block storage service.

• It is a virtual hard drive in the cloud you attach to EC2 instances.

• You can choose different kinds of hard drives (SSD, IOPS SSD, Cold HDD)

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• File is stored with data and metadata

• Multiple connections via a network share

• Supports multiple reads, writing locks the file

• in short, when you need a file-share where multiple users or VMs need to access the same drive

• Elastic File Storage (EFS) is a cloud-native NFS file system service.

• File storage you can mount to multiple EC2 instances at the same time

• When you need to share files between multiple servers

• File Gateway extends your local storage to AWS S3
• Volume Gateway caches your local drives to S3 so you have a continuous backup of local files in the cloud.
• Tape Gateway stores files onto virtual tapes for backing up your files on very cost effective long term storage