Cloudminer -
The learning Center WBTs mentioned above are all free.
You may also want to see the free webinar I once did on cluster modes performance at:
http://www.fastlaneus.com/webinars
I hope this response has been helpful to you.
At your service,
Eugene E. Kashpureff, Sr.
Independent NetApp Consultant http://www.linkedin.com/in/eugenekashpureff
Senior NetApp Instructor, FastLane US http://www.fastlaneus.com/
(P.S. I appreciate 'kudos' on any helpful posts.)