| 摘要 |
A highly-reliable system, a management apparatus and method that can enhance the reliability of a storage system is provided. The present invention provides a storage system having a higher level system with a predetermined application installed, a storage apparatus providing a storage area the application uses, and a host server that transmits data between the higher level system and the storage apparatus, and a management apparatus and method for managing the storage system, wherein a current performance value for each of one or more performance information collection targets existing on a data path between the host server and the storage apparatus is collected; whether or not a performance problem has occurred is judged, based on a target performance value set in advance for the application and a current performance value for the application; and a threshold value for the performance value of each performance problem collection target is set, based on the current performance value of each performance information collection target and the result of the judgment of whether or not a performance problem has occurred.
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