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1. 发明申请

US20100049931A1 Copying Logical Disk Mappings Between Arrays 审中-公开
标题翻译：复制数组之间的逻辑磁盘映射
公开(公告)号：US20100049931A1
公开(公告)日：2010-02-25
申请号：US12243920
申请日：2008-10-01
申请人： Michael B. Jacobson , Susan L. Larson , Brian Patterson
发明人： Michael B. Jacobson , Susan L. Larson , Brian Patterson
IPC分类号： G06F12/16 , G06F12/00 , G06F11/14 , G06F12/02
CPC分类号： G06F11/1662 , G06F11/1425 , G06F11/2094 , G06F2211/1059
摘要： In one embodiment, a storage controller comprises a first port that provides an interface to a host computer, a second port that provides an interface to a storage device, a processor, and a memory module communicatively connected to the processor and comprising logic instructions stored on a computer readable storage medium which, when executed by the processor, configure the processor to copy a logical disk mapping from a first storage array managed by a source storage controller to a second storage array managed by a destination storage controller by performing operations comprising obtaining, in the source storage controller, an object identifier listing for use with the logical disk mappings in the destination storage controller, copying, in the source storage controller, contents of logical disk mappings for use in the first storage array from a first storage container to a second storage container, and replacing, in the source storage controller, object identifiers associated with the logical disk mappings in the first storage array with object identifiers from the object identifier listing received in the first storage controller.
摘要翻译：在一个实施例中，存储控制器包括提供到主计算机的接口的第一端口，提供与存储设备，处理器和通信地连接到处理器的存储器模块的接口的第二端口，并且包括存储在计算机可读存储介质，当由处理器执行时，将处理器配置为将由源存储控制器管理的第一存储阵列的逻辑盘映射复制到由目的地存储控制器管理的第二存储阵列，在源存储控制器中，与目的地存储控制器中的逻辑磁盘映射一起使用的对象标识符列表，在源存储控制器中复制用于第一存储阵列中从第一存储容器到第一存储容器的逻辑磁盘映射的内容第二存储容器，并且在源存储控制器中替换与wi相关联的对象标识符在具有来自第一存储控制器中接收的对象标识符列表的对象标识符的第一存储阵列中的逻辑磁盘映射。

2. 发明授权

US08046552B2 Tracking metadata changes during data copy in a storage system 有权
标题翻译：在存储系统中的数据复制期间跟踪元数据更改
公开(公告)号：US08046552B2
公开(公告)日：2011-10-25
申请号：US12242087
申请日：2008-09-30
申请人： Susan L. Larson
发明人： Susan L. Larson
IPC分类号： G06F12/16
CPC分类号： G06F11/1662 , G06F11/1466
摘要： Embodiments include methods, apparatus, and systems for tracking metadata changes during copying in a storage system. One embodiment includes a method that uses a bitmap and two fences to track changes to metadata while a copy of the metadata is being transferred from a source disk array to a destination disk array.
摘要翻译：实施例包括用于在存储系统中复制期间跟踪元数据变化的方法，装置和系统。一个实施例包括使用位图和两个栅栏跟踪元数据的变化的方法，同时元数据的副本正在从源磁盘阵列传送到目的地磁盘阵列。

3. 发明申请

US20100082920A1 Tracking Metadata Changes During Data Copy In A Storage System 有权
标题翻译：在存储系统中数据复制期间跟踪元数据更改
公开(公告)号：US20100082920A1
公开(公告)日：2010-04-01
申请号：US12242087
申请日：2008-09-30
申请人： Susan L. Larson
发明人： Susan L. Larson
IPC分类号： G06F12/16
CPC分类号： G06F11/1662 , G06F11/1466
摘要： Embodiments include methods, apparatus, and systems for tracking metadata changes during copying in a storage system. One embodiment includes a method that uses a bitmap and two fences to track changes to metadata while a copy of the metadata is being transferred from a source disk array to a destination disk array.
摘要翻译：实施例包括用于在存储系统中复制期间跟踪元数据变化的方法，装置和系统。一个实施例包括使用位图和两个栅栏跟踪元数据的变化的方法，同时元数据的副本正在从源磁盘阵列传送到目的地磁盘阵列。

4. 发明授权

US5548712A Data storage system and method for managing asynchronous attachment and detachment of storage disks 失效
标题翻译：用于管理存储磁盘的异步附加和拆卸的数据存储系统和方法
公开(公告)号：US5548712A
公开(公告)日：1996-08-20
申请号：US376179
申请日：1995-01-19
申请人： Susan L. Larson , Douglas L. Voigt , Steven D. Messinger , Michael B. Jacobson
发明人： Susan L. Larson , Douglas L. Voigt , Steven D. Messinger , Michael B. Jacobson
IPC分类号： G06F3/06 , G06F13/10 , G06F15/16 , G01R31/28 , G06F11/00
CPC分类号： G06F15/161 , G06F13/102
摘要： A disk array data storage system has plural sets of storage disks connected to multiple corresponding I/O buses. Individual storage disks can be independently and asynchronously attached to or detached from corresponding interfacing slots of the I/O buses. The system has physical device drivers which represent the storage disks with respect to their connections to the interfacing slots of the I/O buses and physical device managers which represent the data kept on the storage disks. Interface drivers are provided to manage I/O transfers through corresponding I/O buses. When a particular storage disk is attached to or detached from an interfacing slot of an I/O bus, the interface driver corresponding to the I/O bus freezes all I/O requests that come from the physical device drivers that represent the storage disks in the set connected to the I/O bus. A configuration manager determines which interfacing slot the particular storage disk has been attached to or detached from. If the particular storage disk has been detached from the I/O bus, the configuration manager eliminates the physical device driver that represents the detached storage disk. The data stored on the detached storage disk is rebuilt using redundancy on the remaining disks. If the particular storage disk has been attached to the I/O bus, the configuration manager creates a new physical device driver to represent the attached storage disk. The I/O requests to the I/O bus are then unfrozen.
摘要翻译：磁盘阵列数据存储系统具有连接到多个对应的I / O总线的多组存储盘。单独的存储磁盘可以独立地和异步地连接到I / O总线的对应接口槽或从其分离。该系统具有物理设备驱动器，其表示存储盘相对于它们与代表保存在存储盘上的数据的I / O总线和物理设备管理器的接口插槽的连接。提供接口驱动程序来管理通过相应I / O总线的I / O传输。当特定存储磁盘连接到I / O总线的接口插槽或从I / O总线的接口插槽分离时，对应于I / O总线的接口驱动程序会冻结来自代表存储磁盘的物理设备驱动程序的所有I / O请求该组件连接到I / O总线。配置管理器确定特定存储磁盘已连接或分离的接口槽。如果特定存储磁盘与I / O总线分离，则配置管理器将消除代表分离的存储磁盘的物理设备驱动程序。存储在分离存储磁盘上的数据使用其余磁盘上的冗余进行重建。如果特定的存储磁盘已经连接到I / O总线，配置管理器将创建一个新的物理设备驱动程序来表示附加的存储磁盘。然后，对I / O总线的I / O请求解冻。

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