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Amazon Elastic File System (EFS)
Developer(s)Amazon.com
Initial releaseJune 29, 2016; 8 years ago (2016-06-29).[1][2]
Operating systemCross-platform
Available inEnglish
TypeCloud Storage
LicenseProprietary
Websiteaws.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

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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

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

Availability

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

See also

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References

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