| 摘要 |
PROBLEM TO BE SOLVED: To make restartable an operation by means of an extremely recent file even in a case where such a state that the restart of an on-line system is impossible due to a serious fault is generated. SOLUTION: A IPL(initial program load) verification history information part 14 backs up automatically and periodically the system files to a storage 13, transfers backed-up file 15 to an IPL verification device 20 from the storage 13 of an on-line system 10 via a communication circuit after the file 15 is backed up, verifies the IPL of the file 15 via the device 20 and stores the verification result sent from the device 20. The device 20 receives a file 15 of the system 10, receives an IPL verification instruction and verifies the IPL of the file 15 and notifies the system 10 of the IPL verification result. |
