HPE Multi-Computer/ServiceGuard (MC/ServiceGuard) is a specialized facility for protecting mission-critical applications from a wide variety of hardware and software failures. With MC/ServiceGuard, multiple - up to 16 - nodes (systems) are organized into an enterprise cluster that delivers highly available application services to LAN-attached clients.HPE MC/ServiceGuard monitors the health of each node and quickly responds to failures in a way that minimizes or eliminates application downtime. MC/ServiceGuard is able to automatically detect and respond to failures in the following components: system processors, system memory, LAN media and adapters, system processes, application processes.