# Amazon Elastic File System (Amazon EFS)

You can back up and restore data on the Amazon Elastic File System (Amazon EFS) cloud storage service by using the Linux File System agent.

## Backups and Restores

### Backups You can Perform

- Full backups

- Incremental backups

- Synthetic full backups

### Data You Can Back Up

Regular files and directories, including the following, are backed up:

- Regular data

- Hard link

- Soft link

- Sparse files

- Zip files

- Unicode

- Long path files

## Supported NFS Versions

Amazon supports NFSv4.0, NFSv4.1, and later versions.

## Limitations

Amazon EFS does not support certain features in NFSv4.0 and NFSv4.1. See Unsupported NFSv4.0 and 4.1 features in the AWS documentation.

## Supported Amazon Storage Classes

- Amazon EFS Standard

- Amazon EFS Standard-Infrequent Access (EFS Standard-IA)

- Amazon EFS One Zone

- Amazon EFS One Zone-Infrequent Access (EFS One Zone-IA)

For more information, see Amazon EFS Storage Classes.

## Supported Amazon Throughput Modes

- Bursting Throughput

- Provisioned Throughput

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