Freenas uses ZFS and you do not want motherbd raid, nor most hardware raid implementations. ZFS has its own form of raid that is quite good.
http://www.freenas.org/blog/freenas-worst-practices/
Freenas uses ZFS and you do not want motherbd raid, nor most hardware raid implementations. ZFS has its own form of raid that is quite good.
http://www.freenas.org/blog/freenas-worst-practices/