Redundancy Factor, rho, pertains to the entire seismic force-resisting system, and has a value of either 1.0 or 1.3. See 12.3.4.1 and 12.3.4.2 in ASCE 7 to determine which value is applicable to your system.
Overstrength Factor, omega, pertains to elements along the seismic force-resisting...