Patent ID: 8996701
Filing Date: 2015-03-31
Classification: G06F

Abstract:
1. A computer system coupled to a client computer and having a plurality of computers, wherein each of said plurality of computers is assigned to one of a plurality of services and some of said plurality of computers are active, said computer system comprising: a management computer or a load distribution apparatus which manages which computer belongs to which service; and a policy computer which determines which computer belongs to which service, wherein each of the plurality of computers has an agent which sets an Operating System (OS) or an application installation or uninstallation to a resource in a resource pool, wherein said management computer or said load distribution apparatus receives a request for lending said resource from said client computer, wherein said policy computer identifies a resource of which a service level is maintained when said resource is increased or decreased and determines a resource being lent, wherein said agent sets said OS or said application installation to said lent resource and sets said OS or said application uninstallation after lending said resource, and wherein said policy computer returns said lent resource to said resource pool.