Why snapshot file are 0 bytes. Files exist when mounted but take up no space on disk and have no content.

Question

I am making a Snapshot of a mounted volume to a path called /home/ec2-user/restore - when I use the web interface all works as expected.

When I use AWS CLI to create a **new** volume from the snapshot and mount the **new** volume to /home/ec2-user/restore again, the new volume from the snapshot has all the files that are supposed to be there, but the files have nothing in them.

Do you know why a snapshot would omit all the data within the files?

Answer

The reason the files were 0 bytes was because the snapshot had not completed yet.

Doing first:

`aws ec2 describe-snapshots --snapshot-id ${snapshotId} `

and waiting for Snapshots[0].State === 'completed'

before creating a volume from the snapshot can ensure t

Why snapshot file are 0 bytes. Files exist when mounted but take up no space on disk and have no content.

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