| 摘要 |
PROBLEM TO BE SOLVED: To provide a support to change the configuration of a storage apparatus while preferably maintaining input/output for the storage apparatus. SOLUTION: A management computer manages pool application information that indicates a pool application for a pool and application condition information that indicates a condition for the pool application. The management computer calculates an excess storage capacity based on a pool usage status for the pool. The management computer specifies a pool application for the pool and the condition for the pool application based on the pool application information and the application condition information. Then, the management computer determines whether or not the specified condition is satisfied even in the case that a storage area having a storage capacity equivalent to or less than the calculated excess storage capacity is deleted from the pool, and when the result of the determination is affirmative, defines a capacity equivalent to or less than the excess storage capacity as an unused capacity. COPYRIGHT: (C)2010,JPO&INPIT
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