| 摘要 |
An information processing system includes an information processing apparatus and a disk storage device. The information processing apparatus includes a first power supply unit, a unit that generates a first power-failure notice signal, which indicates that power supply from the first power supply unit is to be stopped, before the power supply from the first power supply unit is stopped, and a disk control unit. The disk storage device includes a second power supply unit, and a unit that sends a second power-failure notice signal, which indicates that power supply from the second power supply unit is to be stopped, to the information processing apparatus before the power supply from the second power supply unit is stopped. The disk control unit includes a unit which halts access to the disk storage device upon receiving one of the first and second power-failure notice signals.
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