I did a similar thing and found even lower failure rates (across thousands of drives in a high write database environment). One thing intel recommended was to o

I did a similar thing and found even lower failure rates (across thousands of drives in a high write database environment). One thing intel recommended was to overprovision the drives. Setting the maxlba at 80% of drive capacity preserves optimal wear leveling. I also used a different drive layout etc. the long and short of it is nand wearout is kinda like quicksand. You grow up expecting it to be a way bigger problem than it actually is in your adult life.