| 摘要 |
PROBLEM TO BE SOLVED: To facilitate investigation and analysis of a cause of a failure when an operation of a virtual computer is disabled because some failure is generated in a virtual computer control means in an operation of the virtual computer. SOLUTION: The virtual computer control means 3 of the virtual computer 1 is provided with a means 31 to detect the failure of itself, a management table 32 to manage operation memory areas of respective guest operating systems 21, 22, 2n and a dump means 33 to lock an operation memory area of a guest operating system 31 under operation, to save a memory image in external storage and to abort itself by referring to the management table 32.
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