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Amazon Elastic File System (EFS)
Developer	Amazon.com
Release	June 29, 2016 (2016-06-29).^[1]^[2]
Operating system	Cross-platform
Available in	English
Type	Cloud Storage
License	Proprietary
Website	aws.amazon.com/efs/

Amazon Elastic File System (Amazon EFS) is a cloud storage service provided by Amazon Web Services (AWS) designed to provide scalable, elastic, concurrent with some restrictions,^[3] and encrypted^[4] file storage for use with both AWS cloud services and on-premises resources.^[5] Amazon EFS is built to be able to grow ^[6] and shrink automatically as files are added and removed. Amazon EFS supports Network File System (NFS) versions 4.0 and 4.1 (NFSv4) protocol,^[7] and control access to files through Portable Operating System Interface (POSIX) permissions.^[8]

Use cases

According to Amazon, use cases for this file system service typically include content repositories, development environments, web server farms, home directories and big data applications.^[9]

Data consistency

Amazon EFS provides open-after-close consistency semantics that applications expect from NFS.^[3]

Availability

Amazon EFS is available in all the public AWS regions at least since December 2019.^[10]

References

↑ "Amazon Elastic File System (Amazon EFS) is Now Generally Available". Amazon Web Services, Inc. Retrieved 28 June 2018.
↑ "AWS's Elastic File System is now ready for production use – TechCrunch". techcrunch.com. 29 June 2016. Retrieved 28 June 2018.
1 2 "Amazon EFS: How It Works - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.
↑ "Encrypting Data and Metadata in EFS - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.
↑ "Amazon Elastic File System (Amazon EFS) – Cloud File Storage – Amazon Web Services (AWS)". Amazon Web Services, Inc. Retrieved 28 June 2018.
↑ Kovacs, Gali. "EBS vs S3 vs EFS: Which is the Best AWS Storage System". netapp.com. Retrieved 28 June 2018.
↑ "Network File System (NFS)–Level Users, Groups, and Permissions - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.
↑ "What Is Amazon Elastic File System? - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.
↑ "Amazon Launches New File Storage Service For EC2 – TechCrunch". techcrunch.com. 9 April 2015. Retrieved 28 June 2018.
↑ "AWS Regional Table". Amazon Web Services, Inc.

External links

Amazon Elastic File System

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