- Network based file system that can be within linux EC2 Instances and used by multiple instances at once.
- Implementation of NFSv4 (Network File System v4)
- EFS File system can be mounted on linux. (
/nfs/media)
- Shared between many EC2 instnaces.
- Private service,accessed via mount targets inside a VPC.
- Can be accessed from on premises, VPN or AWS Direct Connect.
- Uses POSIX File System Permissions.
- For HA, a mount target needs to be available in every AZ we are operating.
- EFS is linux only
- General Purpose(Default) and MAX IO Modes Like ebs
- Bursting throughput and Provisioned throughput modes Like ebs
- Standard and IA Storage Classes Like s3
- Lifecycle Policies can be used Lile s3