Amazon Web Services (AWS) offers several different file storage services which can be deployed in accordance with the needs of the hosted applications.
- Elastic Block Store (EBS). Simple logical disk(s) attached to an Amazon Elastic Compute Cloud (EC2) instance. EBS volumes are persistent block storage that is automatically replication within its Availability Zone (AZ) in order to provide high availability and durability. Limited to 1 TB and 5,000 volumes or 20 TB per account.
- Elastic File System (EFS). Network Attached Storage (NAS) using Network File System (NFS) intended for Linux-based workloads. Regional service which stores data within and across multiple AZs for high availability and durability. Can be accessed across AZs, Regions, and VPCs. The Amazon Elastic File System Infrequent Access storage class is cost-optimized for files not accessed every day, reducing costs by up to 85% compared to the EFS Standard storage class.
- Amazon FSx for Windows File Server. NAS using CIFS intended for Windows-based workloads. Supports Server Message Block (SMB) protocol and NTFS, Active Directory (AD), and Distributed File System (DFS).
- Simple Storage Service (S3). Object storage designed for 11 9s (99.999999999%) of durability.
- Glacier. Cloud storage service for data archiving and long-term backup.
- Storage Gateway. Hybrid storage service that enables on-premises applications to seamlessly use AWS cloud storage for backup and archiving, disaster recovery, cloud data processing, storage tiering, and migration. Accessed through a virtual machine or hardware gateway appliance using standard storage protocols such as NFS, SMB, and iSCSI.
- Cloud Data Migration Services. AWS-managed cloud data migration tools including Direct Connect, Snowball, Storage Gateway, Technology Partnerships, Kinesis Firehose, and Transfer Acceleration.
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