In short, the first snapshot of each EBS volume is always full and the subsequent snapshots on that same volume are incremental . I will illustrate this using your own example.
Your question: "Create a new volume from existing snapshot. Create a snapshot from new volume. Is this snapshot incremental or full?"
Answer: This snapshot is full.
I hope that you find this answer useful. Please feel free to contact us if you need any further assistance.
Thanks for the quick helpful reply. steve
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