RAID 50 doesn't really solve it, it exposes you to some more risk since you can still die with 2 disks but now you have more disks in each sub array. The corre

RAID 50 doesn't really solve it, it exposes you to some more risk since you can still die with 2 disks but now you have more disks in each sub array. The correct answer is either a 3-mirror RAID1 or RAID6. Bcachefs also promises some solution to this by allowing both erasure encoding and replication to co-exist, according to it's documentation.