VIRTUAL COMPUTER SYSTEM, INFORMATION PROCESSOR AND PROGRAM PROVIDING THE VIRTUAL COMPUTER SYSTEM

摘要

Provided is a virtual computer system which improves the efficiency of the disk resources used and the setting operation efficiency of the guest domain. Software installed for guest domain use is stored in the system region of the system disk resources and shared and managed by the system. During a write access from the guest domain to the system region, the data are stored in the update region prepared in each guest domain.