Patent ID: 8090975
Filing Date: 2012-01-03
Classification: G06F

Abstract:
1. A recovery server connected to a managing server and a plurality of managed servers through a management network, the recovery server comprising: a recovery management table storing an address of a first communicating unit, the first communicating unit transmitting a first boot request and an address of a second communicating unit transmitting a second boot request, the first boot request being a request for a first boot and the second boot request being for a second boot in a managed server in which a priority order is set in order of the first boot, the second boot, and a storage area network (SAN) boot; a monitoring unit monitoring a first boot response which is a response for the first boot request from the managing server; and a storing unit storing an NOP program which does not execute a recovering process, and a recovering program which executes the recovering process, wherein, when the monitoring unit receives the first boot response from the managing server, the monitoring unit stores a receiving time in the recovery management table, and wherein, when the monitoring unit receives the second boot request from the managed server and when a predetermined time has not elapsed from the receiving time stored in the recovery management table, the monitoring unit determines that the managing server is normal, and transmits the NOP program to the managed server, and when the predetermined time has elapsed, the monitoring unit determines that the managing server is stopped, and transmits the recovering program to the managed server.