How to take stand alone system into a Cluster environment?

Dear All,

We have one scenario, our organization want to take production server into a Cluster environment.

Current system information:

SAP ECC 6.0 SR2

Kernel 700 patch level 192

Operating system Linux (RHEL) 5.0

Database :ORACLE 10G patch level 4

We have Standalone SAP Productive system we want to take this system into Cluster environment

Please guide me How can I proceed further?

Best Regards

Amol