In networks that require high availability, network and system administrators must rely on a variety of monitoring, error notification, and troubleshooting guides to detect and alert them when problems occur. On high-availability systems, downtime is not an option. All support and maintenance activities focus on ensuring uptime and availability. In the following sections, we look at some of the tools available to assist administrators in achieving these goals.
Hardware maintenance
Server monitoring systems
Server monitors provide system administrators with automated reporting, scheduled device checking, and warnings that a device or system may be nearing or has reached a preset threshold or ceiling setting and requires preemptive...