Patent ID: 7890792
Filing Date: 2011-02-15
Classification: G06F,H04L

Abstract:
1. A server switching method for a server system that includes active servers, at least one standby server and a management server that are equipped with storage devices and process modules respectively and that are all connected through a network, the method comprising: the management server: the management server judges whether or not it is possible for the standby server to perform the service of the failed active server based on disk image names that are included in the service provision management server information, the management server holds software management information possessed by the disk image in the storage device of its own, and judges whether or not the disk image stored in advance in the storage device of the standby server lacks any pieces of software based on both the service provision management server information and the software management information, and if the disk image stored in advance in the storage device of the standby server lacks some pieces of software, the management server: