A job that keeps failing parks as an error with its reason. A background probe then checks the FILE itself (checksum + decode) and splits the errors: defective files (truncated/corrupt originals — listed below for recovery) vs file OK (the failure was operational; requeue those with Retry errored jobs on the GPU agent card).
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Recover deletes the bad copy (and its record) and re-checks its subscription source, so a fresh download re-imports it and re-enters processing. Files without a pollable source need manual replacement.
No failed jobs — the pipeline is clean.
No defective files — every probed failure was operational (file OK). Requeue them from the GPU agent card.