Which version of NFS is supported by EFS?

AWS EFS supports NFS 4.0 and 4.1, but an important caveat is that NFS on Amazon only works with Linux instances (Amazon provides shared storage for Windows using a different service, Amazon FSx).

Does AWS EFS support NFS?

NFS support

Amazon EFS supports the Network File System versions 4.0 and 4.1 (NFSv4) protocols when mounting your file systems on Amazon EC2 instances. Although NFSv4. 0 is supported, we recommend that you use NFSv4.

Is AWS EFS like NFS?

Amazon EFS behaves like a Linux NFS server with no_root_squash .

What is difference between EFS and NFS?

NFS is based on a block storage file system that indexes file names. … It is called EFS, and you can mount it via the NFS protocol and get unlimited file storage. Note that it can only be mounted within an AWS VPC, not from your data center via the Internet. But, consider the EFS price as it is more expensive than S3.

What are some limitations of EFS?

Disadvantages to using an EFS

  • No Windows instances. Amazon EFSs are not supported on AWS Windows EC2 instances. EFS volumes can only be used with non-Windows instances, such as Linux, that support NFS volumes.
  • No system boot volumes. Amazon EFS volumes also cannot be used for system boot volumes.
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Is NFS better than SMB?

NFS offers better performance and is unbeatable if the files are medium-sized or small. For larger files, the timings of both methods are almost the same. … However, with encryption, NFS is slightly better than SMB. In the case of a random read, the performance of NFS and SMB are almost the same when using plain text.

What is the latest version of NFS?

NFS Version 4 is the latest protocol specification for NFS and is defined in RFC 3530.

Is NFS faster than EFS?

Elastic File Service: The AWS NFS Solution

While Amazon S3 also offers shared storage, EFS provides higher performance and a file-system based model that doesn’t require changes to existing applications. An application can access files on EFS just like it would do in an on-premise environment. S3 does not support NFS.

Is EFS cheaper than S3?

EFS has the simplest cost structure. Amazon S3 can be accessed from anywhere. AWS EBS is only available in a particular region, while you can share files between regions on multiple EFS instances. EBS and EFS are both faster than Amazon S3, with high IOPS and lower latency.

Is EFS backed by S3?

S3 is scalable, like EFS, and has access to multiple EC2 instances.

Can we use S3 as NFS?

AWS Storage Gateway now supports NFS file share auditing end-user access to files, folders, and file shares on Amazon S3 File Gateway. Amazon S3 File Gateway provides on-premises applications with file-based, cached access to virtually unlimited cloud storage using SMB and NFS protocols.

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EFS is NAS service that scales across thousands of instances and scales to petabyte scale. This scaling is helped by the fact that the storage capacity management is handled automatically by the platform itself.


Amazon EFS is an NFS file system service offered by AWS. … Amazon EBS is the block storage offered on AWS. An Amazon EBS volume is a persistent storage device that can be used as a file systemfor databases, application hosting and storage, and plug and play devices.

What is the NFS protocol?

NFS is an Internet Standard, client/server protocol developed in 1984 by Sun Microsystems to support shared, originally stateless, (file) data access to LAN-attached network storage. As such, NFS enables a client to view, store, and update files on a remote computer as if they were locally stored.

What is EFS AWS?

Amazon Elastic File System (Amazon EFS) is a simple, serverless, set-and-forget, elastic file system. There is no minimum fee or setup charge. You pay only for the storage you use, for read and write access to data stored in Infrequent Access storage classes, and for any provisioned throughput.

What is EFS server?

Encrypting File System (EFS) is used to encrypt files and folders. EFS is easy to use, with nothing more than a check box in a file’s properties. It is “not fully supported on Windows 7 Starter, Windows 7 Home Basic, and Windows 7 Home Premium” (Microsoft, 2011c).