RAC on Windows,Linux with VMWARE, FIREWIRE, NFS
Some cheap/easy ways to Install RAC on inexpensive hardware
Step-By-Step Installation of RAC on Linux – Single Node (Oracle9i 9.2.0 with OCFS) single_node_oracle9i_920_with_ocfs
RAC Different Test Environments Made Easy.pdf rac_different_test_environments_made_easy_208 from “Plamen Zyumbyulev”