Method and computer system for managing performance of a storage network

摘要

Provided is a method of controlling a computer system which includes a host computer (110) and one or more storage systems (170) coupled to the host computer via a network (130), wherein the first processor executes an application job which executes data I/O in a logical storage area (174); the second processor executes a management job which executes the data I/O in the logical storage area; the method comprising: judging whether at least one of resources of the computer system used for the data I/O of the application job is also used for the data I/O of the executed management job when performance of the application job drops below a predetermined threshold; and displaying information indicating the executed management job when it is judged that at least one of the resources used for the data I/O of the application job is also used for the data I/O of the executed management job.