We're using this version of RSCD provided by BMC for our RHEL hosts: rscd8.2.03-rhas4.0-x86_64.tar.Z
Once installed, it lays down an init script in the standard location. However, this script has a very curious implementation that does not seem to be correct for RHEL hosts.
Here are some problems:
This page has a lot of discussion about how to create a proper Fedora-like SysVinit script: http://fedoraproject.org/wiki/Packaging:SysVInitScript