# Elastic File Store (EFS)
#aws #cloud #storage #nfs
A scalable, Elastic Cloud-native NFS file System offered by AWS. Acts as a single drive which could be utilized by multiple EC2 instances. EFS is using Network File System version 4 (NFSv4) protocol. It is basically a NAS server on AWS which integrates well with aws managed services and is commonly pared with EC2 Instances to stare and share files between them.
- Based on Linux NFS
- Could be pared to instances in other region using VPC peering.
- It is not supported on windows as it is based on NFS.
- Is joined to instances through mount targets on each AZ.
Example of a setup using EFS
The EFS is used to store
# EFS
EFS create multiple mount targets to mount to various AZs
It can expand elastically just like an S3.