So years ago I needed a backup drive for my home computer after the last backup drive up and died on me, so I was possessed by idiocy and decided to get one of those external RAID blocks with two drives in it, RAID-1. Worked fine for years, now it's got a red blinking light on it and doesn't show up to the system anymore.
This is one of those things where foresight would have said "Hey, why are you spending 3x as much on drives when you're going to be stuck with a box with one red light to tell you there is a problem and no way to find out what the problem is". Hindsight says I'm an idiot.
At least it's just a backup.
Maybe next I'll get a LTO drive for a few thousand bucks for shits and giggles. Of course we had one of those at work that ate a tape. Better get two and take redundant backups...