STORAGE MANAGEMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a storage management device, a control method and a control program for easily adjusting the performance of a storage system in accordance with band restriction width.SOLUTION: A operation management server 1 configured to manage a storage device 2 having volumes 232 for transmitting and receiving data via a transmission resource includes: a setting part 101 for setting the target value of performance to some or all of the volumes 232; a monitoring part 103 for monitoring the load factor of a transmission resource; and a band width management part 102 for specifying an object transmission resource on the basis of the load factor of the transmission resource, and for determining the band distribution of the volumes 232 using the specified transmission resource on the basis of the target value, and for instructing a band width control part 252 of the storage device 2 to adjust band width in accordance with the determined band distribution.