···57575858## What happens if a chunk is corrupt/missing?
59596060-When a chunk is deleted from the database, all dependent `.narinfo` and `.nar` will become unavailable (503).
6060+When a chunk is deleted from the database, all dependent `.nar` will become unavailable (503).
6161However, this can be recovered from automatically when any NAR containing the chunk is uploaded.
62626363At the moment, Attic cannot automatically detect when a chunk is corrupt or missing.