Tomoki Sekiguchi

Computer system and its renewal method

Computer system and its renewal method

Method of checking a possibility of executing a virtual machine

Computer system having a virtualization mechanism that executes a judgment upon receiving a request for activation of a virtual computer

Partial fault processing method in computer system

Computer system and its renewal method

Virtual machine migration managing method, computer using the method, virtualizer using the method and computer system using the method

Virtual volume allocating unit and method which allocate a new virtual volume to adequately-sized unused volume areas

Computer system and its renewal method

Computer system for managing virtual machine migration

Virtual computer system, access control method and communication device for the same

Management server device for managing virtual storage device, and method for managing virtual storage device

Computer system, virtual computer system, computer activation management method and virtual computer activation management method

Network switching apparatus, server system and server migration method for server system

Virtual computer system and a method of controlling a virtual computer system on movement of a virtual computer

Computer virtualization apparatus and program and method therefor

METHOD OF MIGRATION BETWEEN VIRTUAL MACHINE AND PHYSICAL MACHINE AND MACHINE SYSTEM THEREOF

Method of checking a possibility of executing a virtual machine

Device allocation changing method

Cluster system