Shared storage between multiple AWS EC2 instances

Question

I\'m facing a problem to share a storage between multiple EC2 instances. I\'m going to have to run heavy jobs so I\'ll need a lot of instances to do it. On one side ,I have

Answer 1

As is described in this thread and in some of the answers already provided, two common ways to accomplish this goal were to use S3 or NFS to share data access between instances.

On April 9th 2015, Amazon announced Amazon Elastic File System (Amazon EFS), which provides a much better solution to the problem you're trying to solve.