INFORMATION PROCESSING SYSTEM, TROUBLE DETECTING METHOD, AND INFORMATION PROCESSING APPARATUS

A first information processing apparatus includes a first input/output unit that is capable of communicating with a second information processing apparatus for monitoring the first information processing apparatus and transmits a notification signal transmitted from a first input/output device to the second information processing apparatus even when no notification from an operating system that is operated by a processor is obtained. The second information processing apparatus includes a second input/output unit and a trouble detector that detects generation of a trouble on a network when the second input/output device does not receive the notification signal from the first input/output device. 1. An information processing system comprising:a first information processing apparatus; anda second information processing apparatus that monitors the first information processing apparatus, a first input/output device;', 'a processor which executes an operating system and', 'a first input/output unit that is capable of communicating with the second information processing apparatus and transmits a notification signal transmitted from the first input/output device to the second information processing apparatus even when no notification from the operating system is obtained, and, 'the first information processing apparatus including a second input/output device; and', 'a trouble detector that detects occurrence of a trouble on the network when the second input/output device does not receive the notification signal from the first input/output device., 'the second information processing apparatus including2. The information processing system according to claim 1 , whereinthe first input/output unit includes a generator that generates status information of the operating system based on the notification from the operating system, andthe first input/output unit transmits the notification signal including the status information generated by the generator to the second information ...