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    SAS storage virtualization controller, subsystem and system using the same, and method therefor
    1.
    发明公开
    SAS storage virtualization controller, subsystem and system using the same, and method therefor 审中-公开
    SAS-Speichervirtualisierungssteuerung，Subsystem und System damit sowie Verfahrendafür

    公开(公告)号：EP1674981A2

    公开(公告)日：2006-06-28

    申请号：EP05027918.1

    申请日：2005-12-20

    Applicant: Infortrend Technology, Inc.

    Inventor： Pang, Ching-Te ,  Schnapp, Michael Gordon ,  Sue, Shiann-Wen ,  Lee, Cheng-Yu

    IPC: G06F3/06

    CPC classification number: G06F11/2089 ,  G06F3/0607 ,  G06F3/0661 ,  G06F3/0664 ,  G06F3/0689 ,  G06F11/201

    Abstract: A storage virtualization computer system. The storage virtualization computer system comprises a host entity for issuing an IO request, a SAS storage virtualization controller coupled to the host entity for executing IO operations in response to the IO request, and at least one physical storage device, each coupled to the storage virtualization controller through a SAS interconnect, for providing data storage space to the storage virtualization computer system through the SAS storage virtualization controller.

    Abstract translation: 存储虚拟化计算机系统。 所述存储虚拟化计算机系统包括用于发出IO请求的主机实体，耦合到所述主机实体的SAS存储虚拟化控制器，用于响应于所述IO请求而执行IO操作;以及至少一个物理存储设备，每个耦合到所述存储虚拟化 控制器通过SAS互连，通过SAS存储虚拟化控制器为存储虚拟化计算机系统提供数据存储空间。

    Redundant SAS storage virtualization subsystem and system using the same, and controller and method therefor
    3.
    发明公开
    Redundant SAS storage virtualization subsystem and system using the same, and controller and method therefor 有权
    冗余SAS储存虚拟化子系统，因此系统及其控制方法，和

    公开(公告)号：EP1674980A3

    公开(公告)日：2006-07-26

    申请号：EP05027917.3

    申请日：2005-12-20

    Applicant: Infortrend Technology, Inc.

    Inventor： Pang, Ching-Te ,  Schnapp, Michael Gordon ,  Sue, Shiann-Wen ,  Lee, Cheng-Yu

    IPC: G06F3/06

    CPC classification number: G06F3/0617 ,  G06F3/0635 ,  G06F3/0664 ,  G06F3/0689 ,  G06F11/2041 ,  G06F11/2089 ,  G06F11/2092 ,  G06F11/2094

    Abstract: A redundant external storage virtualization computer system. The redundant storage virtualization computer system includes a host entity for issuing an IO request, a redundant external SAS storage virtualization controller pair coupled to the host entity for performing an IO operation in response to the IO request issued by the host entity, and a plurality of physical storage devices for providing storage space to the computer system. Each of the physical storage devices is coupled to the redundant storage virtualization controller pair through a SAS interconnect. The redundant storage virtualization controller pair includes a first and a second SAS storage virtualization controller both coupled to the host entity. In the redundant SAS storage virtualization controller pair, when the second storage virtualization controller is not on line, the first storage virtualization controller will take over the functionality originally performed by the second storage virtualization controller.

    Storage virtualization subsystem and system with host-side redundancy via sas connectivity
    5.
    发明公开
    Storage virtualization subsystem and system with host-side redundancy via sas connectivity 审中-公开
    存储虚拟化子系统和系统通过sas连接提供主机端冗余

    公开(公告)号：EP1796003A2

    公开(公告)日：2007-06-13

    申请号：EP06023842.5

    申请日：2006-11-16

    Applicant: Infortrend Technology, Inc.

    Inventor： Fang, Ching-Hua ,  Pang, Ching-Te

    IPC: G06F11/20

    CPC classification number: G06F11/2092 ,  G06F11/201 ,  H04L67/1097 ,  H04L69/40

    Abstract: This invention discloses a storage virtualization subsystem and system with host-side redundancy via SAS connectivity. The I/O interconnect interface between the storage virtualization controller and the host is a serial-attached SCSI (SAS) interface. At least one SAS expander is inserted on the I/O interconnect path of the host side to provide the function of device expansion. Or, a built-in virtual SAS expander is disposed inside the storage virtualization controller to provide multiple virtual IDs for each SAS port. When one controller in the storage virtualization controller pair malfunctions or fails, the invention provides solutions in accord with different embodiments so that the surviving controller can inherit the ID of the failed one. Thus, the host can keep functioning normally as it is not aware of any change in the device status.

    Abstract translation: 本发明公开了一种通过SAS连接具有主机侧冗余的存储虚拟化子系统和系统。 存储虚拟化控制器和主机之间的I / O互连接口是串行连接的SCSI（SAS）接口。 在主机侧的I / O互连路径上至少插入一个SAS扩展器，以提供设备扩展功能。 或者，内置虚拟SAS扩展器位于存储虚拟化控制器内部，为每个SAS端口提供多个虚拟ID。 当存储虚拟化控制器对中的一个控制器发生故障或故障时，本发明提供了根据不同实施例的解决方案，使得存活的控制器可以继承失败的控制器的ID。 因此，主机可以保持正常运行，因为它不知道设备状态有任何变化。

    Redundant SAS storage virtualization subsystem and system using the same, and controller and method therefor
    9.
    发明公开
    Redundant SAS storage virtualization subsystem and system using the same, and controller and method therefor 审中-公开
    冗余SAS储存虚拟化子系统，因此系统及其控制方法，和

    公开(公告)号：EP2843538A1

    公开(公告)日：2015-03-04

    申请号：EP14190630.5

    申请日：2005-12-20

    Applicant: Infortrend Technology, Inc.

    Inventor： Pang, Ching-Te ,  Schnapp, Michael Gordon ,  Sue, Shiann-Wen ,  Lee, Cheng-Yu

    IPC: G06F3/06 ,  G06F11/20

    Abstract: A redundant external storage virtualization computer system. The redundant storage virtualization computer system includes a host entity for issuing an IO request, a redundant external SAS storage virtualization controller pair coupled to the host entity for performing an IO operation in response to the IO request issued by the host entity, and a plurality of physical storage devices for providing storage space to the computer system. Each of the physical storage devices is coupled to the redundant storage virtualization controller pair through a SAS interconnect. The redundant storage virtualization controller pair includes a first and a second SAS storage virtualization controller both coupled to the host entity. In the redundant SAS storage virtualization controller pair, when the second storage virtualization controller is not on line, the first storage virtualization controller will take over the functionality originally performed by the second storage virtualization controller.

    Abstract translation: 冗余外部储存虚拟化计算机系统，该冗余储存虚拟化电脑系统，包括用于发出到IO请求，冗余外部SAS储存虚拟化控制器对耦合到主机实体，用于响应于由发出的IO请求在IO操作执行主机实体 主实体和物理存储设备，用于向计算机系统提供的存储空间中的多个。每个物理存储设备被耦合到通过SAS互连冗余储存虚拟化控制器对。 的冗余储存虚拟化控制器对包括第一和第二SAS存储虚拟化控制器两者耦合到所述主机实体。 在冗余SAS存储虚拟化控制器对中，当第二储存虚拟化控制器不在线时，所述第一存储虚拟化控制器将接管执行通过第二储存虚拟化控制器上的原本的功能。

    Method of managing data snapshot images in a storage system
    10.
    发明公开
    Method of managing data snapshot images in a storage system 有权
    在einem Speichersystem中的Verfahren zur Verwaltung von Datenschnappschussbildern

    公开(公告)号：EP1816563A2

    公开(公告)日：2007-08-08

    申请号：EP07101202.5

    申请日：2007-01-25

    Applicant: Infortrend Technology, Inc.

    Inventor： Schnapp, Michael Gordon ,  Pang, Ching-Te ,  Chiang, Chien-Hsin

    IPC: G06F11/14

    CPC classification number: G06F11/1435 ,  G06F3/0604 ,  G06F3/0608 ,  G06F3/0614 ,  G06F3/0631 ,  G06F3/0646 ,  G06F3/0665 ,  G06F3/0689 ,  G06F11/1448 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/1469 ,  G06F2201/84

    Abstract: This specification discloses a method of managing data snapshot images in a storage system. The method includes the steps of: establishing a section allocation system that includes at least a media extent; establishing a section allocation table and a block association set in the media extent, wherein the section allocation table has a field containing information pointing to the block association set and the block association set corresponds to a Source Volume as the basis for performing a snapshot backup thereof; establishing a block association table in the block association set, wherein the block association table is used to store cross-reference information in order to correspond to backup data with the original storage addresses; and copying the data before updating the data into the section association set, when the data in the Source-Volume need to be updated.

    Abstract translation: 本说明书公开了一种在存储系统中管理数据快照图像的方法。 该方法包括以下步骤：建立至少包括媒体范围的部分分配系统; 在所述媒体扩展区中建立部分分配表和块关联集，其中所述部分分配表具有包含指向所述块关联集合的信息的字段，并且所述块关联集对应于源卷作为执行其快照备份的基础 ; 在所述块关联集合中建立块关联表，其中，所述块关联表用于存储交叉引用信息，以便与具有原始存储地址的备份数据相对应; 并且在需要更新源卷中的数据时，将更新数据之前的数据复制到区段关联集中。

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