How to create openSUSE Repository like osdisc.com

Hi, i look on osdisc.com (http://www.osdisc.com/products/opensuse-131-software-repository-32bit.html). They sell repository openSUSE in the form DVD.

Product Description
The Complete openSUSE 13.1 Software Repository – over 33GB of software.
This DVD set lets you install thousands of applications without downloading. This is perfect for those with slower internet connections, or no connection at all.

The entire oss, non-oss, and packman repositories + all updates and security fixes through October 17, 2014.

How to create repository’s openSUSE and split it into 8 DVD?