TrueNAS is the best NAS operating system if you're building a NAS from scratch, packed with handy features and tools that will get you into data storage nirvana in no time at all. Sure, going with a ...

If you made a 4TB stripe, if either drive fails, you lose that VDEV. And you only have two other drives, so you can't really do anything other than mirror them - hence my suggestion. Remember that ...