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    • 66. 发明申请
    • Logical Volume Transfer Method and Storage Network System
    • 逻辑卷传输方法和存储网络系统
    • US20100180077A1
    • 2010-07-15
    • US12726652
    • 2010-03-18
    • Ai SatoyamaYoshiaki EguchiYasutomo Yamamoto
    • Ai SatoyamaYoshiaki EguchiYasutomo Yamamoto
    • G06F12/00G06F12/16
    • G06F3/0647G06F3/061G06F3/0613G06F3/0635G06F3/065G06F3/067G06F3/0689H04L67/1097
    • The present invention transfers replication logical volumes between and among storage control units in a storage system comprising a plurality of storage control units. To transfer replication logical volumes from a storage control unit to a storage control unit, a virtualization device sets a path to the storage control unit. The storage control unit then prepares a differential bitmap in order to receive access requests. When the preparation is completed, the virtualization device makes access requests to the storage control unit. The storage control unit then hands over the access requests to the storage control unit. Subsequently, the storage control unit performs a process so that the access requests are reflected in a disk device and performs an emergency destage of storing data in a cache memory into disk device. When the emergency destage is ended, the storage control unit connects to an external storage control unit and hands over access requests to the external storage control unit.
    • 本发明在包括多个存储控制单元的存储系统中的存储控制单元之间和之间传送复制逻辑卷。 要将复制逻辑卷从存储控制单元传输到存储控制单元,虚拟化设备将设置存储控制单元的路径。 然后,存储控制单元准备差分位图以便接收访问请求。 当准备完成时,虚拟化设备对存储控制单元进行访问请求。 存储控制单元然后将访问请求转交给存储控制单元。 随后,存储控制单元执行处理,使得访问请求被反映在盘装置中,并且执行将高速缓冲存储器中的数据存储到磁盘装置中的紧急转储。 当紧急停止结束时,存储控制单元连接到外部存储控制单元,并将访问请求交给外部存储控制单元。
    • 67. 发明授权
    • Logical volume transfer method and storage network system
    • 逻辑卷传输方式和存储网络系统
    • US07702851B2
    • 2010-04-20
    • US11353631
    • 2006-02-13
    • Ai SatoyamaYoshiaki EguchiYasutomo Yamamoto
    • Ai SatoyamaYoshiaki EguchiYasutomo Yamamoto
    • G06F13/14
    • G06F3/0647G06F3/061G06F3/0613G06F3/0635G06F3/065G06F3/067G06F3/0689H04L67/1097
    • The present invention transfers replication logical volumes between and among storage control units in a storage system comprising a plurality of storage control units. To transfer replication logical volumes from a storage control unit to a storage control unit, a virtualization device sets a path to the storage control unit. The storage control unit then prepares a differential bitmap in order to receive access requests. When the preparation is completed, the virtualization device makes access requests to the storage control unit. The storage control unit then hands over the access requests to the storage control unit. Subsequently, the storage control unit performs a process so that the access requests are reflected in a disk device and performs an emergency destage of storing data in a cache memory into disk device. When the emergency destage is ended, the storage control unit connects to an external storage control unit and hands over access requests to the external storage control unit.
    • 本发明在包括多个存储控制单元的存储系统中的存储控制单元之间和之间传送复制逻辑卷。 要将复制逻辑卷从存储控制单元传输到存储控制单元,虚拟化设备将设置存储控制单元的路径。 然后,存储控制单元准备差分位图以便接收访问请求。 当准备完成时,虚拟化设备对存储控制单元进行访问请求。 存储控制单元然后将访问请求转交给存储控制单元。 随后,存储控制单元执行处理,使得访问请求被反映在盘装置中,并且执行将高速缓冲存储器中的数据存储到磁盘装置中的紧急转储。 当紧急停止结束时,存储控制单元连接到外部存储控制单元,并将访问请求交给外部存储控制单元。
    • 69. 发明申请
    • Fault recovery method in a system having a plurality of storage system
    • 具有多个存储系统的系统中的故障恢复方法
    • US20080109546A1
    • 2008-05-08
    • US12003971
    • 2008-01-04
    • Yasutomo YamamotoYoshiaki Eguchi
    • Yasutomo YamamotoYoshiaki Eguchi
    • G06F15/173
    • G06F3/0647G06F3/0617G06F3/0635G06F3/067G06F11/0727G06F11/0766G06F11/2094
    • System availability is improved in a second storage system, connected to a first storage system, and having means for virtualizing devices within the first storage system as its own devices. When the virtual storage system or a storage management server detects a fault in the virtual storage system, the management server investigates the range affected by the fault, identifies a device for which measures must be taken, determines a transfer target device which accommodates the performance, reliability, and other attributes of the affected device, and issues a device transfer instruction for the virtual storage system. In the virtual storage system, the data of the device specified by the instruction within the virtual storage system is transferred to a device, specified by the management server, within the system itself, or to a device within another virtual storage system.
    • 在与第一存储系统连接的第二存储系统中改进了系统可用性,并且具有用于将第一存储系统内的设备虚拟化为其自身设备的装置。 当虚拟存储系统或存储管理服务器检测虚拟存储系统中的故障时,管理服务器调查受故障影响的范围,识别必须采取措施的设备,确定适应性能的传输目标设备, 可靠性和受影响设备的其他属性,并发出虚拟存储系统的设备传输指令。 在虚拟存储系统中,由虚拟存储系统内的指令指定的设备的数据被传送到由管理服务器指定的在系统本身内的设备,或者传送到另一虚拟存储系统内的设备。