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    • 6. 发明申请
    • COMPUTER SYSTEM AND MANAGEMENT METHOD THEREOF
    • 计算机系统及其管理方法
    • WO2013114463A1
    • 2013-08-08
    • PCT/JP2012/000716
    • 2012-02-02
    • HITACHI, LTD.TANAKA, AtsushiORII, Masaru
    • TANAKA, AtsushiORII, Masaru
    • H04L12/56
    • H04L41/50H04L41/5016H04L45/125H04L47/822
    • The present invention makes it possible to dynamically and optimally change QoS while taking the balance of a system as a whole into consideration. With the present invention, communications parameters comprising band allocation information with respect to a plurality of interfaces of communications paths are set at a management device, and a host device, a switch device, and a storage device communicate based on the communications parameters that have been set. Then, in the system operation stage, the management device or the switch device acquires statistical information comprising band usage amounts with respect to the communications paths among a port of the host device, a port of the storage device, and a port of the switch device, changes, based on the statistical information, the band allocation that has been set with respect to the plurality of interfaces, and, further, determines whether or not the band allocation as changed is appropriate with respect to the system (see Fig. 9).
    • 本发明使得可以在考虑整个系统的平衡的同时动态地和最佳地改变QoS。 利用本发明,在管理设备处设置包括关于通信路径的多个接口的频带分配信息的通信参数,并且主机设备,交换机设备和存储设备基于已经被通信的通信参数进行通信 组。 然后,在系统运行阶段,管理装置或交换机装置获取包含主机装置的端口,存储装置的端口和交换装置的端口之间的通信路径的带使用量的统计信息 根据统计信息改变已经针对多个接口设置的频带分配,并且还确定相对于系统(参见图9)是否适合改变的频带分配是否适合, 。