Are cross region RDS snapshot copies incremental?

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For a scenario where the customer is transferring RDS snapshot copies from one region to another region on periodic basis. After the first snapshot copy (which I assume is always a full copy), are the subsequent copies incremental or full copy?

What if the customer deletes the first snapshot copy in the target region and then initiates a copy from the latest snapshot available in source region? Would this be a full copy?

1 Answer
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Accepted Answer

from: https://aws.amazon.com/blogs/aws/cross-region-snapshot-copy-for-amazon-rds/

As is the case with the other copy operations, the copy is done on an incremental basis, and only the data that has changed since the last snapshot of a given Database Instance will be copied. When you delete a snapshot, deletion is limited to the data that will not affect other snapshots.

For second part - Yes, The RDS system will ensure that the last snapshot has all the available data and the previous snapshots are not required

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bat-tam
answered 9 years ago
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EXPERT
reviewed 2 months ago
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