AWS - EFS

Amazon EFS 文件存储服务
Amazon Elastic File System (Amazon EFS) 是一种为 Amazon EC2 实例提供的文件存储服务。它支持 NFSv4 协议,能够弹性地扩展存储容量,并且支持数千个并发连接。用户只需按实际使用的存储付费,无需预置存储容量。

Amazon Elastic File System (Amazon EFS) is a file storage service for Amazon Elastic Compute Cloud (Amazon EC2) instances. Amazon EFS is easy to use and provides a simple interface that allows you to create and configure file systems quickly and easily. With Amazon EFS, storage capacity is elastic, growing and shrinking automatically as you add and remove files, so your applications have the storage tey need, when they need it.


EFS Features

  • Supports the Network File System version 4 (NFSv4) protocol
  • You only pay for the storage you use (no pre-provisioning required)
  • Can scale up to hte petabytes
  • Can support thousands of concurrent NFS connections
  • Data is stored across multiple AZ's within a region
  • Read After Write Consistency

EFS enables multiple instances to connect to it, EBS can only be mounted to a single instances.

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