The RedHat installation does fail, and often. I managed to figure out where on the site to find some help, but more from luck than anything else. The manual *MUST* include a troubleshooting section or reference to an online troubleshooting section. The manual *MUST* tell us about the the ALT-CTRL-F1 trick to see what died when the graphical installation hangs.
this has been added to our feature request list ... thanks for your report!