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1. 发明授权

US08732124B1 Multisite replication with coordinated cycle switching 有权
标题翻译：具有协调循环切换的多站点复制
公开(公告)号：US08732124B1
公开(公告)日：2014-05-20
申请号：US13429504
申请日：2012-03-26
申请人： Dan Arnon , David Meiri , Mark Halstead , Benjamin Yoder , Oliver M. D. Shorey
发明人： Dan Arnon , David Meiri , Mark Halstead , Benjamin Yoder , Oliver M. D. Shorey
IPC分类号： G06F17/30
CPC分类号： G06F17/30578 , G06F11/00 , G06F11/1464
摘要： Handling asynchronous data provided by at least two sources includes synchronizing data between the at least two sources, coordinating cycle switching between the at least two sources, where an asynchronous cycle of data from one of the sources corresponds to an asynchronous cycle of data from an other one of the sources, receiving asynchronous data corresponding to a data cycle from at least one of the sources, and saving at least some of the received data. A first portion of data for a particular cycle may be transmitted from one of the sources and a second portion of data for the particular cycle, different from the first portion of data, may be transmitted from an other one of the sources and the first portion and the second portion together may correspond to all of the data for the particular cycle.
摘要翻译：处理由至少两个源提供的异步数据包括在至少两个源之间同步数据，协调至少两个源之间的周期切换，其中来自一个源的数据的异步周期对应于来自另一个源的数据的异步周期其中一个源，从至少一个源接收对应于数据周期的异步数据，并且保存至少一些所接收的数据。用于特定周期的数据的第一部分可以从源之一发送，并且与数据的第一部分不同的特定周期的第二数据部分可以从源中的另一个发送，并且第一部分并且第二部分在一起可以对应于特定周期的所有数据。

2. 发明授权

US09026492B1 Multisite replication with uncoordinated cycle switching 有权
标题翻译：多站点复制与不协调的周期切换
公开(公告)号：US09026492B1
公开(公告)日：2015-05-05
申请号：US13429498
申请日：2012-03-26
申请人： Oliver M. D. Shorey , Dan Arnon , David Meiri
发明人： Oliver M. D. Shorey , Dan Arnon , David Meiri
IPC分类号： G06F17/30
CPC分类号： G06F17/30578
摘要： Handling asynchronous data provided by at least two sources includes receiving a first portion of the data from a first one of the sources, receiving a second portion of the data from a second one of the sources, where the first and second portions provide the same data, and saving at least one of the portions containing more recent data. The sources may be synchronized with each other to contain the same data. All of the portions may be saved. A portion that contains data that is older than the more recent data may be discarded. Handling asynchronous data provided by at least two sources may also include establishing an active leg for data provided by one of the sources, establishing a passive leg for data provided by an other one of the sources, and saving data provided through the active leg.
摘要翻译：处理由至少两个源提供的异步数据包括从第一个源接收数据的第一部分，从第二个源接收数据的第二部分，其中第一和第二部分提供相同的数据并且保存包含更多最新数据的部分中的至少一个。源可以彼此同步以包含相同的数据。所有部分都可以保存。包含比最近的数据更旧的数据的部分可能被丢弃。处理由至少两个源提供的异步数据还可以包括为源中的一个提供的数据建立活动支路，建立由另一个源提供的数据的被动支路，以及保存通过活动支路提供的数据。

3. 发明授权

US08578204B1 Witness facility for distributed storage system 有权
标题翻译：分布式存储系统的验证工具
公开(公告)号：US08578204B1
公开(公告)日：2013-11-05
申请号：US12930121
申请日：2010-12-29
申请人： Eugene Ortenberg , Bradford B. Glade , Dale Hagglund , Benjamin Yoder , David Meiri , Dan Arnon , Dharmesh Thakkar
发明人： Eugene Ortenberg , Bradford B. Glade , Dale Hagglund , Benjamin Yoder , David Meiri , Dan Arnon , Dharmesh Thakkar
IPC分类号： G06F11/07
CPC分类号： G06F11/1425
摘要： A system for managing distributed storage includes a collection of one or more compute sites that are connected and that perform a joint computation. A witness node is connected to the one or more compute sites. A membership service allows a change in collection membership, in response to a failure, to continue the joint computation without causing data inconsistency or corruption. If the membership service is unable to reach a decision on the change in collection membership in response to the failure, the witness node controls the decision on the change in collection membership to continue the joint computation. A distributed storage system provided by the system described herein may advantageously meet consistency guarantees and maximize data access even when individual compute sites and/or their interconnects fail.
摘要翻译：用于管理分布式存储的系统包括连接并执行联合计算的一个或多个计算站点的集合。证人节点连接到一个或多个计算站点。会员服务允许更改收集成员资格以响应失败，继续联合计算，而不会导致数据不一致或损坏。如果会员服务无法就故障对收款成员资格的变更作出决定，则证人节点控制收款成员资格变更的决定，以继续进行联合计算。由本文描述的系统提供的分布式存储系统可以有利地满足一致性保证，并且即使当各个计算站点和/或其互连失败时也最大化数据访问。

4. 发明申请

US20070198668A1 REMOTE MIRRORING IN A SWITCHED ENVIRONMENT 有权
标题翻译：在开关环境中远程监控
公开(公告)号：US20070198668A1
公开(公告)日：2007-08-23
申请号：US11627000
申请日：2007-01-25
申请人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
IPC分类号： G06F15/177
CPC分类号： H04L67/1095 , G06F11/20 , G06F11/201 , G06F11/2071 , H04L67/1097
摘要： A mechanism to support remote mirroring of storage devices by data storage systems in a one-to-many switched environment. Each data storage system includes a disk director that is adapted to control at least one device group that is supported in a mirrored configuration with a corresponding device group controlled by one of the other data storage systems. For each device group and corresponding device group, there are first ports associated with the device group and second ports associated with the corresponding device group. A switch element is adapted to connect one of the first ports to at least one of the second ports so that data may be exchanged between the ports for each device group and corresponding device group. The disk director selects which first port is to be connected to which second port via the switch element in the establishment of a logical link. Thus, each port connected to the switch is capable of achieving multiple connections to multiple destinations for increased connectivity, redundancy and performance (load balance) without additional hardware.
摘要翻译：支持数据存储系统在一对多交换环境中远程镜像存储设备的机制。每个数据存储系统包括磁盘引导器，该磁盘引导器适于控制被镜像配置中支持的至少一个设备组与由其他数据存储系统之一控制的相应设备组。对于每个设备组和相应的设备组，都有与设备组相关联的第一个端口和与相应设备组相关联的第二个端口。开关元件适于将第一端口中的一个连接到至少一个第二端口，使得可以在用于每个设备组和相应设备组的端口之间交换数据。在建立逻辑链路时，磁盘控制器通过交换机元件选择要连接到哪个第二端口的第一端口。因此，连接到交换机的每个端口能够实现多个连接到多个目的地，以增加连接性，冗余和性能（负载平衡），而无需额外的硬件。

5. 发明申请

US20060064543A1 Reversing a communication path between storage devices 有权
公开(公告)号：US20060064543A1
公开(公告)日：2006-03-23
申请号：US11268158
申请日：2005-11-07
申请人： Mark Halstead , Dan Arnon , David Meiri
发明人： Mark Halstead , Dan Arnon , David Meiri
IPC分类号： G06F12/00
CPC分类号： G06F3/0665 , G06F3/0619 , G06F3/065 , G06F3/0689 , G06F11/1666 , G06F11/20 , G06F11/2069 , Y10S707/99953 , Y10S707/99954
摘要： Reversing a communication path between a first volume on a first storage device and a second volume on a second storage device includes suspending communication between the first and second volumes while maintaining operations for other volumes of the storage devices, causing the first volume to change from a source volume to a destination volume without destroying the first volume, causing the second volume to change from a destination volume to a source volume without destroying the second volume, and resuming communication between the first and second volumes. Causing the first volume to change from a source volume to a destination volume may include modifying a table of the first storage device. Causing the second volume to change from a source volume to a destination volume may include modifying a table of the second storage device.

6. 发明申请

US20050091463A1 Determining configuration data in connection with dynamic RDF 有权
标题翻译：确定与动态RDF相关的配置数据
公开(公告)号：US20050091463A1
公开(公告)日：2005-04-28
申请号：US10995810
申请日：2004-11-23
申请人： Mark Halstead , Dan Arnon , David Meiri
发明人： Mark Halstead , Dan Arnon , David Meiri
IPC分类号： G06F3/06 , G06F11/20 , H04L12/56 , G06F12/00
CPC分类号： G06F11/1666 , G06F3/0601 , G06F11/20 , G06F11/2069 , G06F2003/0697 , H04L12/56 , Y10S707/99952 , Y10S707/99953
摘要： Dynamically creating a communication path between first and second storage devices, includes creating a connection to a source volume on the first storage device and indicating that the source volume is not ready to transmit data on the communication path, after successfully creating the connection to the source volume, creating a connection to a destination volume on the second storage device and initially indicating that portions of one of: the destination volume and the source volume do not contain valid copies of data, where the destination volume accepts data from the source volume, and after successfully creating the connections to the source and destination volumes, indicating that the source volume is ready to transmit data on the communication path. Dynamically creating a communication path between first and second storage devices, may also include creating at least one of: the source volume and the destination volume. Creating the connection to the source volume may include modifying a table containing configuration information for the first storage device. Creating the connection to the destination volume may include modifying a table containing configuration information for the second storage device.
摘要翻译：在第一和第二存储设备之间动态地创建通信路径，包括在成功创建到源的连接之后创建到第一存储设备上的源卷的连接并且指示源卷未准备好在通信路径上传输数据创建与第二存储设备上的目的地卷的连接，并且最初指示目的卷和源卷之一的部分不包含数据的有效副本，其中目的地卷接收来自源卷的数据，以及在成功创建到源卷和目标卷的连接后，指示源卷准备好在通信路径上传输数据。在第一和第二存储设备之间动态地创建通信路径还可以包括创建源卷和目的地卷中的至少一个。创建与源卷的连接可能包括修改包含第一个存储设备的配置信息的表。创建到目标卷的连接可能包括修改包含第二个存储设备的配置信息的表。

7. 发明申请

US20050204000A1 Scanning a message-list 有权
标题翻译：扫描消息列表
公开(公告)号：US20050204000A1
公开(公告)日：2005-09-15
申请号：US11083486
申请日：2005-03-18
申请人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
IPC分类号： G06F15/16 , H04Q7/20
CPC分类号： G06F15/16
摘要： A method for scanning a message-list accessible to a plurality of processors includes retrieving, from a cache associated with a scanning processor from the plurality of processors, information identifying a starting message-slot. This information is then used to begin a scan of the message-list at that starting message-slot. The information indicating the starting message-slot is obtained by identifying, in the message-list, a message-slot containing a message intended for a recipient processor from the plurality of processors and obtaining, from the identified message-slot, information indicative of a location of a succeeding message-slot in the message-list. This information is then cached, for retrieval during a subsequent scan of the message-list.
摘要翻译：用于扫描多个处理器可访问的消息列表的方法包括从多个处理器中的与扫描处理器相关联的高速缓存中检索标识起始消息时隙的信息。然后，该信息用于开始在该起始消息时隙处的消息列表的扫描。指示起始消息时隙的信息通过在消息列表中识别包含来自多个处理器的接收者处理器的消息的消息时隙来获得，并从所标识的消息时隙获得指示消息列表中的后续消息时隙的位置。然后将该信息缓存，以便在消息列表的后续扫描期间进行检索。

8. 发明申请

US20050268056A1 Remote mirroring in a switched environment 有权
公开(公告)号：US20050268056A1
公开(公告)日：2005-12-01
申请号：US11183461
申请日：2005-07-18
申请人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark Halstead , Peter Kamvysselis
IPC分类号： G06F13/14 , G06F3/06 , G06F11/20 , G06F12/00 , G06F12/16
CPC分类号： H04L67/1095 , G06F11/20 , G06F11/201 , G06F11/2071 , H04L67/1097
摘要： A mechanism to support remote mirroring of storage devices by data storage systems in a one-to-many switched environment. Each data storage system includes a disk director that is adapted to control at least one device group that is supported in a mirrored configuration with a corresponding device group controlled by one of the other data storage systems. For each device group and corresponding device group, there are first ports associated with the device group and second ports associated with the corresponding device group. A switch element is adapted to connect one of the first ports to at least one of the second ports so that data may be exchanged between the ports for each device group and corresponding device group. The disk director selects which first port is to be connected to which second port via the switch element in the establishment of a logical link. Thus, each port connected to the switch is capable of achieving multiple connections to multiple destinations for increased connectivity, redundancy and performance (load balance) without additional hardware.

9. 发明授权

US09110693B1 VM mobility over distance 有权
标题翻译： VM移动距离远
公开(公告)号：US09110693B1
公开(公告)日：2015-08-18
申请号：US12932080
申请日：2011-02-17
申请人： David Meiri , Balakrishnan Ganeshan , Muralidhar Balcha , Dan Arnon
发明人： David Meiri , Balakrishnan Ganeshan , Muralidhar Balcha , Dan Arnon
IPC分类号： G06F9/455 , G06F9/48
CPC分类号： G06F9/455 , G06F9/45558 , G06F9/4856 , G06F2009/45562 , G06F2009/4557 , G06F2009/45575
摘要： Migrating an active VM from a first data center to a second data center having a passive counterpart of the active VM includes freezing the active VM at the first data center, creating an active VM at the second data center that corresponds to the passive counterpart, and restarting the active VM at the second data center. Migrating an active VM from a first data center to a second data center may also include waiting for the passive counterpart to be synchronized with the active VM at the first data center prior to converting the passive counterpart. Creating the active VM at the second data center may include providing a snapshot of a volume containing the passive VM.
摘要翻译：将活动虚拟机从第一数据中心迁移到具有活动虚拟对象的被动对象的第二数据中心包括在第一数据中心处冻结活动虚拟机，在对应于被动对象的第二数据中心处创建活动虚拟机，以及在第二个数据中心重新启动活动的虚拟机。将活动虚拟机从第一数据中心迁移到第二数据中心还可以包括在转换被动对方之前等待被动对象与第一数据中心处的活动虚拟机同步。在第二个数据中心创建活动虚拟机可能包括提供包含被动虚拟机的卷的快照。

10. 发明授权

US08966211B1 Techniques for dynamic binding of device identifiers to data storage devices 有权
标题翻译：用于将设备标识符动态绑定到数据存储设备的技术
公开(公告)号：US08966211B1
公开(公告)日：2015-02-24
申请号：US13329758
申请日：2011-12-19
申请人： Dan Arnon , David Meiri
发明人： Dan Arnon , David Meiri
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F13/102
摘要： Described are techniques for performing dynamic binding of device identifiers to data storage devices. A first device identifier assigned to an application on a host is received. The first device identifier is a unique detachable device identifier dynamically bound to different data storage devices at different points in time in accordance with data storage devices used by the application. The first device identifier is attached to a first data storage device of the data storage system used by the application at a first point in time. The first device identifier is detached from the first data storage device thereby making the first data storage device unavailable for data operations from the application. The first device identifier is attached to a second data storage device used by the application at a second point in time thereby making the second data storage device available for data operations from the application.
摘要翻译：描述了用于执行设备标识符到数据存储设备的动态绑定的技术。接收分配给主机上的应用的第一设备标识符。第一设备标识符是根据应用使用的数据存储设备在不同时间点动态地绑定到不同数据存储设备的唯一的可拆卸设备标识符。第一设备标识符附加到应用在第一时间点使用的数据存储系统的第一数据存储设备。第一设备标识符与第一数据存储设备分离，从而使得第一数据存储设备不可用于来自应用的数据操作。第一设备标识符附加到在第二时间点由应用使用的第二数据存储设备，从而使第二数据存储设备可用于来自应用的数据操作。

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