Patent ID: 7036035

Claim:
A system for power management in a computer system having at least one power grid, said computer system operating to execute at least one instance of an operating system (OS), comprising: at least one uninterrupted power supply (UPS) operating to supply power to a portion of said at least one power grid, wherein said at least one UPS is operable to send a loss of power notification; at least one alternative source of power for supplying power to said at least one power grid; and a service structure executable on said computer system, said service structure for monitoring said at least one UPS and said at least one alternative source of power, wherein said service structure is operable, responsive to receiving said loss of power notification from said at least one UPS, to continue to maintain power supply of said computer system from said at least one alternative source of power upon determining that said at least one alternative source of power is operational.