| 摘要 |
<p>A virtual computer system includes computers (1, 2) each having a first operating system executed when the virtual computer system is built and a second operating system of when each computer operates individually. Each of the computers (1, 2) comprises a booting unit (35A) for booting the first or second operating system, rewriting means for updating the firmware of the computer when the second operating system is booted, means for setting the booting unit as a unit for booting the first operating system, means for re-booting the computer, and means for building a virtual computer system by establishing synchronization at least between one computer and another when the first operating system is booted. Further, means for setting the booting unit as a unit for booting the second operating system when the virtual computer system is built and means for stopping the virtual computer system are provided.</p> |
