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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,cite-ref-amazon-com-3-0[3] and encryptedcite-ref-4[4] file storage for use with both AWS cloud services and on-premises resources.cite-ref-5[5] Amazon EFS is built to be able to grow cite-ref-6[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,cite-ref-7[7] and control access to files through Portable Operating System Interface (POSIX) permissions.cite-ref-8[8]

• Use cases

• Data consistency

• Availability

• See also

• References

• External links

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.cite-ref-9[9]

Amazon EFS provides open-after-close consistency semantics that applications expect from NFS.cite-ref-amazon-com-3-1[3]

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

• GlusterFS

• Red Hat Storage Server

cite-note-11. "Amazon Elastic File System (Amazon EFS) is Now Generally Available". Amazon Web Services, Inc. Retrieved 28 June 2018.

cite-note-22. "AWS's Elastic File System is now ready for production use – TechCrunch". techcrunch.com. 29 June 2016. Retrieved 28 June 2018.

cite-note-amazon-com-33. ↑ "Amazon EFS: How It Works - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.

cite-note-44. ↑ "Encrypting Data and Metadata in EFS - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.

cite-note-55. ↑ "Amazon Elastic File System (Amazon EFS) – Cloud File Storage – Amazon Web Services (AWS)". Amazon Web Services, Inc. Retrieved 28 June 2018.

cite-note-66. ↑ citerefkovacsKovacs, Gali. "EBS vs S3 vs EFS: Which is the Best AWS Storage System". netapp.com. Retrieved 28 June 2018.

cite-note-77. ↑ "Network File System (NFS)–Level Users, Groups, and Permissions - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.

cite-note-88. ↑ "What Is Amazon Elastic File System? - Amazon Elastic File System". docs.aws.amazon.com. Retrieved 28 June 2018.

cite-note-99. ↑ "Amazon Launches New File Storage Service For EC2 – TechCrunch". techcrunch.com. 9 April 2015. Retrieved 28 June 2018.

cite-note-1010. ↑ "AWS Regional Table". Amazon Web Services, Inc.

• Amazon Elastic File System