REVSQL is not a server. It is SQL Server Network Name. Consider it has a virtual name or pointer that directs to REVSQL1 or REVSQL2 based on what is active.

The link has a three part series that explains cluster and how to set it up.

http://www.pythian.com/blog/how-to-install-a-clustered-sql-server-2012-instance-step-by-step-part-1/