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    • 72. 发明申请
    • Avoiding use of an inter-unit network in a storage system having multiple storage control units
    • 避免在具有多个存储控制单元的存储系统中使用单元间网络
    • US20090157984A1
    • 2009-06-18
    • US12000821
    • 2007-12-18
    • Junichi HaraTakashi Oeda
    • Junichi HaraTakashi Oeda
    • G06F12/00
    • G06F3/0665G06F3/061G06F3/067H04L41/0893H04L41/5022H04L45/00
    • A storage system provides virtual ports, and is able to transfer the virtual ports among physical ports located on multiple storage control units making up the storage system. The storage system is able to manage logical volumes and/or virtual volumes and virtual ports as a group when considering whether to move logical/virtual volumes and/or virtual ports to another storage control unit in the storage system. When the storage system is instructed to transfer volumes, virtual ports, or a group of volumes and virtual ports among the storage control units, the storage system determines whether an inter-unit network will be required to be used following the transfer. When the storage system determines that the inter-unit network will be required if the transfer takes place, the storage system determines and presents an alternate storage control unit for the transfer to avoid use of the inter-unit network, thereby avoiding degraded performance.
    • 存储系统提供虚拟端口,并且能够在构成存储系统的多个存储控制单元上的物理端口之间传送虚拟端口。 当考虑是否将逻辑/虚拟卷和/或虚拟端口移动到存储系统中的另一存储控制单元时,存储系统能够将逻辑卷和/或虚拟卷和虚拟端口作为一组进行管理。 当存储系统被指示在存储控制单元之间传送卷,虚拟端口或一组卷和虚拟端口时,存储系统确定在传输之后是否需要使用单元间网络。 当存储系统确定如果传输发生时将需要单元间网络,则存储系统确定并呈现用于传输的备用存储控制单元,以避免使用单元间网络,从而避免性能下降。
    • 79. 发明申请
    • Method and apparatus of continuous data protection for NAS
    • NAS连续数据保护的方法和装置
    • US20080027998A1
    • 2008-01-31
    • US11495276
    • 2006-07-27
    • Junichi Hara
    • Junichi Hara
    • G06F17/00G06F17/30
    • G06F16/128G06F16/183
    • A system includes a NAS System and one or more NAS Clients. The NAS system manages volumes containing file system data, volumes containing snapshot (copy) of the file system data, and volumes containing journal (log) of requests sent from NAS Clients. The system takes a snapshot of the volume containing file system data periodically, and records requests to the file system data after the snapshot is taken. When the system needs to restore an image of file system data at a certain point, it restores the snapshot, and then it replays the recorded requests in order. The system protects a file system using CDP function on a storage system by implementing a function in the NAS system, which determines a time point at which each storage system operation is completed, and a function in the storage system for keeping the information in the journal.
    • 一个系统包括NAS系统和一个或多个NAS客户端。 NAS系统管理包含文件系统数据的卷,包含文件系统数据的快照(副本)的卷和包含从NAS客户端发送的请求的日志(日志)的卷。 系统定期收集包含文件系统数据的卷的快照,并在拍摄快照后将文件系统数据的记录记录在记录中。 当系统需要在某一时刻恢复文件系统数据的映像时,它会恢复快照,然后按顺序重播录制的请求。 该系统通过实现NAS系统中的功能来保护存储系统上的CDP功能的文件系统,该功能确定了每个存储系统操作完成的时间点,以及存储系统中用于将信息保存在日志中的功能 。