I start with 2 new, "reliable" drives. After a couple of years, I replace one drive with a new one. Keep the removed drive to use for offline data backup. Ru

I start with 2 new, "reliable" drives. After a couple of years, I replace one drive with a new one. Keep the removed drive to use for offline data backup. Run until failure or 5 years, which ever comes first. Then replace the oldest or failed drive with a new one. Wash, rinse and repeat.