What is the difference between EBS and EFS?

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Can someone explain me the difference between EBS and EFS in AWS? Thank you in advance for your help.
Jan 30, 2019 in AWS by shilpi
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1 answer to this question.

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Amazon EBS are designed is such a way that they store data in volumes of a pre-assigned size that will be attached to an EC2 instance, similarly to a local disk drive present on your physical machine. Amazon EBS only allows the user to attach the volume to any other EC2 instance or also keep it in a standby mode without doing any read/write operation. This way it becomes important that once you have configured the volume in Amazon EBS you can’t easily scale it up/down.

Amazon EFS is on the other hand automatically scalable - this means that you need not to be worried about your running applications as there won't be any problems even if the workload suddenly becomes higher - the storage will automatically scale itself. Now, if the workload decreases - the storage will itself scale down, so that you don't pay anything for the part of storage that you don't use.

answered Jan 31, 2019 by Subahsh

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