Patent ID: 7934119
Filing Date: 2011-04-26
Classification: G06F,H04L

Abstract:
1. A failure recovery method in a server system which includes a plurality of servers, each of which has a machine virtualization module for building a plurality of virtual machines thereon, said method comprising the steps of: acquiring virtual machine information having a correspondence between each server and an active virtual machine on the machine virtualization module of said each server to manage the virtual machine information; and when one of said plurality of servers fails, booting a boot disk which stores said machine virtualization module and is connected to said failed server, to a server in a standby system, and recovering a virtual machine which has been active on the failed server based on the virtual machine information on the machine virtualization module booted on the server in the standby system, wherein the standby server is independent of any of the plurality of servers so that if any one of the plurality of servers fails, the standby server can be selected without regard to which server failed, wherein said server system includes a management server connected to said plurality of servers and said server in the standby system, and said server system includes a storage device connected to said plurality of servers and said server in the standby system, wherein said virtual machine information is stored and managed in said management server, and wherein said boot disk is stored in said storage device.