Warm site Site that's partially equipped with some of the equipment (e.g., computing hardware and software, and supporting personnel); organizations install additional equipment, computing hardware and software, and supporting personnel when DR services are activated. Hot site Fully equipped site with the required equipment, computing hardware/software and supporting personnel; it's also fully functional and manned on a 24x7 basis so that it's ready for organizations to operate their IT systems when DR services are activated.