EBS

What's the Difference Between Amazon EBS and Amazon EFS?

“From the Mailbag” gives us at AWS w/ .NET the opportunity to answer questions from our users. Got a question for us? Ask us here.

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Question

I’m a software developer and I’m new to AWS. What’s the difference between the Elastic Block Store service and the Elastic File System service?

Response

Amazon EBS or Elastic Block Store is a highly available block storage service offered by AWS. Amazon Elastic block storage offers 99.999% availability and 99.999% durability . When you think of Amazon EBS, think hard drive or SSD. Amazon Elastic File System or EFS, is a serverless file system service that allows for the sharing of data among thousands of clients. Amazon EFS provides 99.999999999% durability and up to 99.99% availability. When you think of EFS, think Linux compatible network file shares.