Class Summary Class Description DrbdNodeThe node for the DRBD monitoring. HardDrivesNodeThe node for hard drives. HardDrivesTemperatureNodeThe node for the hard drive temperature monitoring. PhysicalServersNodeThe top-level node has one child for each of the servers. ThreeWareRaidNodeThe node for the 3ware monitoring. UpsNodeMonitors UPS status for an Server. UpsResultSerializer VirtualServersNodeThe top-level node has one child for each of the servers.