Hi, just wanted to share my experiences of having drive detection problems.
I also understood from the forum that USB drives are not preferred with LMCE. Software RAID is available but since 810 is still in beta and especially because of myself adding tweaking and playing destroying the setup, that solution for data storage might not be that trouble free. Decided to buy a NAS, one that was often mentioned here just to make sure it installs without a hassle (my first NAS).
Nope, it was not detected automatically. Darn. Tried couple of times before finding help from the wiki for 'Manual Creation of a File Server' at
http://wiki.linuxmce.com/index.php/Howto:_Using_Network_Shares. With those instructions, no problem at all.