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Mastering AWS Development by Uchit Vyas

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Ephemeral versus persistent storage

You learned about the EC2 instance and instance types, we saw the instance storage option in the previous table. Starting from the m1.small type, you can identify that the extra storage will be added to that instance automatically without attaching the storage externally. It can be more noticeable in larger or bigger instances such as m1.medium and so on, where you will get a large disk in the /mnt directory of your Linux system. And guess what? It's absolutely free for you! You won't get charged for using it to read or write.

What is ephemeral storage?

Ephemeral disk will be a temporary storage option that will be added automatically to your instance, and it depends on your instance type. The ephemeral disk size ...

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