| 摘要 |
An operation management system 12 alleviates the burden on an administrator 103 who carries out reappearance monitoring of a failure that occurred in a computer system 11. The operation management system 12 detects one or more detected events occurring in the computer system 11, and selects a first causal laws code 180 included in a causal laws information 168 based on the causal laws information 168 and the detected event. The operation management system 12, in a case where the composition of the computer system 11 has been changed to eliminate the cause of generation of the detected event, selects a second causal laws code 180 included in a post-change causal laws information 168 based on the post-change causal laws information 168 and the first causal laws code 180, and notifies the administrator 103 of information related to the selected second causal laws code 180.
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