>>> I'm convinced I need 3-disk RAID1 so I can lose 2 drives and keep >>> running. I'd also like to stripe for performance, resulting in >>> RAID10. It sounds like most hardware controllers do not support >>> 6-disk RAID10 so ZFS looks very interesting. >>> >>> Can I operate ZFS RAID without a hardware RAID controller? >> >> Yes. In fact, that's ZFS' preferred mode of operation (i.e., it >> handles all redundancy by itself). > > I would take it a step further and say that a hardware RAID controller > actively interferes with ZFS and gets in the way. It gets in the way so > much that one should not do it at all. > > Running the controller in JBOD mode is not a good idea, I'd say it's a > requirement.
If I go with ZFS I won't have a RAID controller installed at all. One less point of hardware failure too. - Grant