NAS OS:
freenas => require 8G RAM
nas4free
openmediavault
I choose the openmediavault.
Notes:
- The drive that installed openmediavault cannot be the data drive.
- Install extra plugin from webUI ( http://omv-extras.org/simple/index.php?id=how-to-install-omv-extras-plugin ).
- In general setting, set the Session timeout to 0 to prevent logout.