| 摘要 |
PURPOSE:To surely raise a system by forming a main boot area and a sub-boot area linking a program and data stored in a volume. CONSTITUTION:Two boot areas, one is the main boot area 10 and the other is the sub-boot area 11, are formed in the volume 3. When the damage of the main boot area 10 is detected by a detecting means 5, a loader 4 is enabled to complete the rise of the system by using the sub-boot area 11 and to inform the damage of the main boot area 10 to an operating system 8 through an informing means 7 for a microprogram 6 and the operating system 8 copies the contents of the sub-boot area 11 to the main boot area 10, so that highly reliable starting-up of the system can be attained. |
