lights-out management (LOM)

Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control.

Lights-out management (LOM) is the ability for a system administrator to monitor and manage servers by remote control. A complete LOM system consists of a hardware component called the LOM module and a program that facilitates the continuous monitoring of variables such as microprocessor temperature and utilization. The program also allows for such remote operations as rebooting, shutdown, troubleshooting, alarm setting, fan-speed control, and operating system reinstallation.

A single LOM system can be used with more than one server without the need for on-site staff at any of the server locations. Communication between the controller and the remote servers can be done through an independent dial-up connection. The LOM module keeps a record of all the operations (known as the event log), allowing the administrator to instantly check any or all of several hundred recent system events.

This was first published in May 2007

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