| 摘要 |
PURPOSE:To decrease a system shutdown by software by providing a file-saving means which recovers file contents of a disk base renewed at the time of occurring a software trouble to the state before renewal, when the trouble of software occurs. CONSTITUTION:A file-saving means is composed of a transaction-inputting part 1, transaction-executing part 2, table-accessing part 6, memory-storing part 7, exclusive controlling part 8, image-storing part before renewal 9, saving-processing part 4, and a table-saving part 10. When a software logic trouble occurs, the processing part 4 starts 30 the saving part 10. The saving part 10 supplies the image before renewal from the storing part 9 to the accessing part 10 execute renewal, and restores the file contents of a disk base in the state before starting transaction. |
