Soft failure detection in a network of devices

Details Soft failure detection in a network of devices Soft failure detection in a network of devices

2011-01-04

2011-01-04

Porta, David P (Department: 2884)

Electrophotography

Remote monitoring

C399S009000, C399S010000, C399S011000, C399S016000, C399S018000, C399S042000, C399S075000, C399S082000, C399S085000, C399S087000, C369S125000

Reexamination Certificate

active

07865089

ABSTRACT:
In a method for monitoring hardware devices of the hardware devices network to detect failures, past logged jobs are analyzed to determine a pattern of past usage of hardware devices by users of the hardware devices network. A failure of a hardware device is inferred based on a deviation in usage of the hardware devices from the pattern of past usage. In some embodiments, a state model is constructed that assigns one of two or more available operational states to each hardware device of the hardware devices network based on a recent load of jobs logged to the hardware device and a stored history of logged jobs indicative of typical loading of the hardware devices. One or more failing hardware devices are identified based on the assigned operational states.

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