Currently, the only option is to delete the whole server and restore it from the previous backup.
There is no way to cancel the Snapshot and there is no way to let know AWS (without a support plan) that their system failed.
AMI creation stuck at pending statusasked 2 years ago
Is there a way to cancel the creation of a snapshot?asked 3 years ago
Cannot restore RDS snapshotasked 6 months ago
How to cancel RDS snapshot creation that stuck at 0%?asked 7 months ago
How do I find RDS Snapshot Incremental sizes for proper cost estimation ?Accepted Answerasked 2 years ago
RDS MySQL upgrade takes forever due to 0% repeatly snapshot creationasked 7 months ago
RDS Snapshot stuck in Creating 0% state in Singapore Regionasked 4 years ago
Add encryption to a multi-az cluster db snapshot?asked 3 months ago
RDS native backup to S3 does not change Lifecycle status (remains 0%)Accepted Answerasked 4 months ago
RDS Snapshot exportAccepted Answerasked 5 years ago