DATA CENTER SYSTEM AND ITS CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To provide a data center system comprising three or more data centers to each of which a host computer doing cluster services is connected; and to allow the system to promptly execute a failover process and start another process after the failover without delay. SOLUTION: The data center system comprises three or more data centers. When the host computer in operation at the main data center executes a failover, the host computer of each center retains information on operational priority and selects the host computer for the failover according to the priority information. COPYRIGHT: (C)2005,JPO&NCIPI