How to understand HDDLife messages?

Question

Hard disks

HDDLife Pro says that the health of the disk is 45%, but everything is like "ok".

When and why should you start worrying?

Answer 1

Little is visible. 18 relocations (5th parameter) is not good. You can live peacefully if it does not change with time. But as they remind you in the first screenshot - make backups regularly and only then there will be no surprises.