I don't understand what you're worried about with 3.
Make a box, hide it in a closet with power, every 3 months look at your drive stats to see if any have a buch of uncorrectable errors. If we estimate half an hour per checkup and one hour per replacement that's under three hours per year to maintain your data.
Make a box, hide it in a closet with power, every 3 months look at your drive stats to see if any have a buch of uncorrectable errors. If we estimate half an hour per checkup and one hour per replacement that's under three hours per year to maintain your data.