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    • 14. 发明申请
    • Remote copy with worm guarantee
    • 远程复制与蠕虫保证
    • US20060253672A1
    • 2006-11-09
    • US11474359
    • 2006-06-26
    • Yusuke NonakaNaoto MatsunamiAkira NishimotoYoichi Mizuno
    • Yusuke NonakaNaoto MatsunamiAkira NishimotoYoichi Mizuno
    • G06F12/16
    • G06F11/2069
    • In the case in which data in a storage system A is remotely copied to a storage system B, it is not taken into account whether the data of the remote copy is WORM data. In the case in which a setting is made such that data stored in a volume in the storage system A is copied to a volume in the storage system B, storage system A judges whether an attribute to the effect that data can be referred to and can be updated or to the effect that data can be referred to but cannot be updated is added to the volume in the storage system A. Then, if the volume is a volume to which the attribute to the effect that data can be referred to but cannot be updated is added, such attribute is added to the volume in the storage system B.
    • 在将存储系统A中的数据远程复制到存储系统B的情况下,不考虑远程副本的数据是否是WORM数据。 在存储系统A中的存储在卷中的数据被复制到存储系统B中的卷的设置的情况下,存储系统A判断是否可以引用可以参考数据的属性,并且可以 被更新或者可以将数据引用但不能被更新的效果添加到存储系统A中的卷。然后,如果卷是能够引用数据的属性的卷,但是不能 被添加,这样的属性被添加到存储系统B中的卷。
    • 19. 发明授权
    • Storage device and method of controlling storage system
    • 存储设备及控制存储系统的方法
    • US08473704B2
    • 2013-06-25
    • US12742262
    • 2010-04-28
    • Akihiko ArakiYusuke Nonaka
    • Akihiko ArakiYusuke Nonaka
    • G06F12/02G06F13/18
    • G06F3/061G06F3/0652G06F3/0653G06F3/0671
    • With respect to a storage system in which quick formatting and sequential formatting can be run concurrently, the time it takes to process an access request from a host is prevented from becoming prolonged even when a normal sequential formatting process is executed with respect to a storage volume which frequently incurs I/O penalties. The storage device measures the load from the host per configurational unit (storage medium) of LUs, and divides the LUs into a group of LUs whose load per storage medium is low, and a group of LUs whose load per storage medium is high. Further, the density per unit of LU capacity of I/O penalties incurred in a storage volume for which quick formatting is being executed is calculated. Sequential formatting is then executed, with priority, with respect to the LUs belonging to the group with low loads and in order of descending density of incurred I/O penalties.
    • 对于可以同时运行快速格式化和顺序格式化的存储系统,即使当相对于存储卷执行正常的顺序格式化处理时,也可以防止处理来自主机的访问请求所花费的时间延长 这经常导致I / O处罚。 存储装置测量来自主机的每个配置单元(存储介质)的负载,并将LU分为一组存储介质负荷低的一组LU,以及一组存储介质负载高的LU组。 此外,计算在执行快速格式化的存储卷中产生的I / O惩罚单位LU容量的密度。 然后,对于属于低负载组的逻辑单元并按照发生的I / O处罚密度下降的顺序,优先执行顺序格式化。