As per the title of this question, what are the practical differences between AWS EFS, EBS and S3?
My understanding of each:
- S3 is a storage facility accessible any where
- EBS is a device you can mount onto EC2
- EFS is a file system you can mount onto EC2
So why would I use EBS over EFS? Seem like they have the same use cases but minor semantic differences? Although EFS is replicated across AZs where as EBS is just a mounted device. I guess my understanding of EBS is lacking hence I’m unable to distinguish.
Why choose S3 over EFS? They both store files, scale and are replicated. I guess with S3 you have to use the SDK where as with EFS being a file system you can you standard I/O methods from your programming language of choice to create files. But is that the only real difference?