The Digital Media Zone has put together a guide on how to automate recorded TV backups on Windows Home Server 2011.
All you need to accomplish this is separate storage drives in your WHS 2011 and Windows 7 running Windows Media Center.
In the guide the guys explain how to get this setup and running, which you can find here.
Archive TV with Windows Home Server 2011 is a post from: MS Windows Home Server - Your Personal Guide to Microsoft Windows Home Server!
from MSWHS.com http://www.mswhs.com