Document History - Amazon Elastic File System

Document History

  • API version: 2015-02-01

  • Latest documentation update: July 16, 2020

The following table describes important changes to the Amazon Elastic File System User Guide after July 2018. For notifications about documentation updates, you can subscribe to the RSS feed.

Change Description Date

EFS per-client throughput increased 100%

EFS now supports up to 500 MB/s of per-client throughput, a 100% increase from the previous limit of 250 MB/s. For more information, see Quotas for Amazon EFS File Systems.

July 23, 2020

Support added for automatic daily backups of Amazon EFS file systems

Automatic daily backups are now enabled by default when creating a file system using the EFS console. For more information, see Using AWS Backup with Amazon EFS.

July 16, 2020

New Amazon EFS management console is now available

The new EFS console makes it easier for you to use Amazon EFS and simplifies the management of your EFS file systems.

July 16, 2020

EFS Quick Create simplifies creating Amazon EFS file systems

Using the Quick Create option in the EFS console, you can create an EFS file system using service recommended settings with a single button. For more information, see Create Your Amazon EFS File System.

July 16, 2020

Performance of General Purpose Mode file systems increased

Amazon EFS General Purpose mode file systems now support up to 35,000 read operations per second, a 400% increase from the previous limit of 7,000. For more information, see Quotas for Amazon EFS File Systems.

April 1, 2020

Additional AWS Region support added

Amazon EFS is now available to all users in the Beijing and Ningxia AWS Regions.

January 22, 2020

Support added for IAM authorization for NFS clients

You can now use AWS Identity and Access Management (IAM) to manage NFS access to an Amazon EFS file system. For more information, see Using AWS IAM to Control NFS Access to Amazon EFS.

January 13, 2020

Support added for EFS Access Points

Amazon EFS access points are application-specific entry points into an Amazon EFS file system that make it easy to manage application access to shared datasets. For more information, see Working with Amazon EFS Access Points.

January 13, 2020

Support added for AWS Backup partial restore.

You can now restore specific files and directories using a partial restore, in addition to restoring a complete recovery point. For more information, see Using AWS Backup with Amazon EFS.

January 13, 2020

Support added for IAM service-linked roles

Amazon EFS now uses a service-linked role based on IAM, making it easier to set up EFS by automatically adding the necessary permissions. For more information, see Using Service-Linked Roles for Amazon EFS.

December 10, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Europe (Stockholm) AWS Region.

November 20, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Asia Pacific (Hong Kong) AWS Region.

November 20, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the South America (São Paulo) AWS Region.

November 20, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Middle East (Bahrain) AWS Region.

November 20, 2019

New 7 day Lifecycle management policy added

Lifecycle management now has an additional policy to move data to the cost-effective Infrequent Access storage class after 7 days. For more information, see EFS Lifecycle Management.

November 6, 2019

Support added for Interface VPC Endpoints

You can establish a private connection between your virtual private cloud and Amazon EFS to call the EFS API. For more information, see Working with VPC Endpoints.

October 22, 2019

Mount an EFS file system when launching a new EC2 instance.

You can now configure new Amazon EC2 instances to mount your EFS file systems at launch in the EC2 Launch Instance Wizard. For more information, see Step 2. Create Your EC2 Resources and Launch Your EC2 Instance.

October 17, 2019

Support for Service Quotas added

You can now view all Amazon EFS limits in the Service Quotas console. For more information, see Amazon EFS Limits.

September 10, 2019

New lifecycle management policies added

When using Lifecycle Management, you can now choose from one of four lifecycle policies to define when files are transitioned into the cost-effective Infrequent Access storage class. For more information, see EFS Lifecycle Management.

July 9, 2019

EFS Lifecycle Management now available on all EFS file systems.

The EFS Lifecycle Management feature is now available on all EFS file systems. A previous restriction based on when a file system was created is now removed. For more information, see EFS Lifecycle Management.

July 9, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Europe (Paris) AWS Region.

June 12, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Asia Pacific (Mumbai) AWS Region.

June 5, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Canada (Central) AWS Region.

May 1, 2019

API Update: Tags are now part of the CreateFileSystem operation payload

You can now include tags when using the AWS API and CLI CreateFileSystem operation to create an Amazon EFS file system. For more information, see CreateFileSystem and Creating a File System Using the AWS CLI.

February 19, 2019

New features: EFS Infrequent Access storage class and EFS lifecycle management

Amazon EFS Infrequent Access is a cost-optimized storage class for infrequently accessed files. EFS lifecycle management automatically transitions files from Standard to Infrequent Access storage. For more information, see EFS Storage Classes.

February 13, 2019

Additional AWS Region support added

Amazon EFS is now available to all users in the Europe (London) AWS Region.

January 23, 2019

AWS Backup Service integration with Amazon EFS

Amazon EFS file systems can be backed up using AWS Backup, a fully managed, centralized, automated backup service for backing up data across AWS services in the cloud and on premises. For more information, see AWS Backup and EFS.

January 16, 2019

Transit Gateway connection support to on-premises storage systems added.

Amazon EFS file systems are now accessible using Transit Gateway connections to on-premises storage systems. For more information, see Mounting from Another Account or VPC and Walkthrough: Mount a File System from a Different VPC.

December 6, 2018

EFS File Sync is now part of the new AWS DataSync service.

AWS DataSync is a managed data transfer service that simplifies synchronizing large amounts of data between on-premises storage systems and AWS storage services. For more information, see Transfer Files from On-Premises File Systems to Amazon EFS Using AWS DataSync.

November 26, 2018

VPN and inter-region VPC peering connection support added

Amazon EFS are now accessible over VPN connections and inter-region VPC peering connections. For more information, see Transfer Files from On-Premises File Systems to Amazon EFS Using AWS DataSync.

October 23, 2018

VPN and Inter-region VPC Peering connection support added

Amazon EFS file systems are now accessible over VPN connections and inter-region VPC peering connections. For more information, see Mounting from Another Account or VPC and How Amazon EFS Works with Direct Connect and VPNs.

October 23, 2018

Additional AWS Region support added

Amazon EFS is now available to all users in the Asia Pacific (Singapore) AWS Region.

July 13, 2018

Introducing Provisioned Throughput mode

You can now provision throughput for new or existing file systems with the new Provisioned Throughput mode. For more information, see Throughput Modes.

July 12, 2018

Additional AWS Region support added

Amazon EFS is now available to all users in the Asia Pacific (Tokyo) AWS Region.

July 11, 2018

The following table describes important changes to the Amazon Elastic File System User Guide before July 2018.

Change Description Date Changed
Additional AWS Region support added Amazon EFS is now available to all users in the Asia Pacific (Seoul) AWS Region. May 30, 2018
Added CloudWatch metric math support Metric math enables you to query multiple CloudWatch metrics and use math expressions to create new time series based on these metrics. For more information, see Using metric math with Amazon EFS. April 4, 2018
Added the amazon-efs-utils set of open-source tools, and added encryption in transit

The amazon-efs-utils tools are a set of open-source executable files that simplifies aspects of using Amazon EFS, like mounting. There's no additional cost to use amazon-efs-utils, and you can download these tools from GitHub. For more information, see Using the amazon-efs-utils Tools.

Also in this release, Amazon EFS now supports encryption in transit through Transport Layer Security (TLS) tunneling. For more information, see Data Encryption in EFS.

April 4, 2018
Updated file system limits per AWS Region Amazon EFS has increased the limit on the number of file systems for all accounts in all AWS Regions. For more information, see Resource Quotas. March 15, 2018
Additional AWS Region support added Amazon EFS is now available to all users in the US West (N. California) AWS Region. March 14, 2018
Data encryption at rest Amazon EFS now supports data encryption at rest. For more information, see Data Encryption in EFS. August 14, 2017
Additional region support added Amazon EFS is now available to all users in the Europe (Frankfurt) region. July 20, 2017
File system names using Domain Name System (DNS) Amazon EFS now supports DNS names for file systems. A file system's DNS name automatically resolves to a mount target’s IP address in the Availability Zone for the connecting Amazon EC2 instance. For more information, see Mounting on Amazon EC2 with a DNS Name. December 20, 2016
Increased tag support for file systems Amazon EFS now supports 50 tags per file system. For more information on tags in Amazon EFS, see Managing file system tags. August 29, 2016

General availability

Amazon EFS is now generally available to all users in the US East (N. Virginia), US West (Oregon), and Europe (Ireland) Regions.

June 28, 2016

File system limit increase

The number of Amazon EFS file systems that can be created per account for each AWS Region increased from 5 to 10.

August 21, 2015

Updated Getting Started exercise

The Getting Started exercise has been updated to simplify the getting started process.

August 17, 2015

New guide

This is the first release of the Amazon Elastic File System User Guide.

May 26, 2015