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11. 发明授权

US08812595B2 Scanning a message-list 有权
标题翻译：扫描消息列表
公开(公告)号：US08812595B2
公开(公告)日：2014-08-19
申请号：US11083486
申请日：2005-03-18
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
IPC分类号： G06F15/16
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。

12. 发明授权

US07577957B1 Multiple jobs per device that are linked via a device record for servicing by different adapters 有权
标题翻译：通过设备记录链接的不同适配器进行维修的每个设备的多个作业
公开(公告)号：US07577957B1
公开(公告)日：2009-08-18
申请号：US09891143
申请日：2001-06-25
申请人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
发明人： Peter Kamvysselis , Dan Arnon , David Meiri , Mark J. Halstead
IPC分类号： G06F9/46 , G06F13/00 , G06F12/00
CPC分类号： G06F11/2071 , G06F11/1612 , H04L69/329 , Y10S707/99953 , Y10S707/99955
摘要： Providing multiple jobs for a device associated with a communication device includes providing a plurality of device records, where each of the device records corresponds to a device associated with the communication device, providing a plurality of job records for at least one of the device records, where each of the job records contains at least some information that is also provided in the corresponding one of the device records, and linking the job records and the corresponding device record so that any one of the job records may be accessed by first accessing the corresponding one of the device records. Providing multiple jobs may also include providing one of a plurality of shared pointers in each of the job records and the corresponding one of the device records, where all of the shared pointers point to the corresponding one of the device records. Linking the job records may include providing a forward pointer and a backward pointer for each of the job records. Linking the job records may also include providing a pointer to one of the job records in the corresponding one of the device records.
摘要翻译：为与通信设备相关联的设备提供多个作业包括提供多个设备记录，其中每个设备记录对应于与通信设备相关联的设备，为设备记录中的至少一个提供多个作业记录，其中每个作业记录至少包含一些信息，其还提供在相应的一个设备记录中，以及链接作业记录和对应的设备记录，使得任何一个作业记录可以通过首先访问相应的其中一个设备记录。提供多个作业还可以包括在每个作业记录和相应的一个设备记录中提供多个共享指针中的一个，其中所有共享指针指向相应的一个设备记录。链接作业记录可以包括为每个作业记录提供前向指针和后退指针。链接作业记录还可以包括提供指向相应的一个设备记录中的一个作业记录的指针。

13. 发明授权

US06883018B1 Scanning a message-list 有权
公开(公告)号：US06883018B1
公开(公告)日：2005-04-19
申请号：US09768994
申请日：2001-01-24
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselis
发明人： David Meiri , Dan Arnon , Mark J. 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.

14. 发明授权

US06810447B2 Hierarchical approach to identifying changing device characteristics 有权
公开(公告)号：US06810447B2
公开(公告)日：2004-10-26
申请号：US10740236
申请日：2003-12-18
申请人： Mark J. Halstead , Adi Ofer , Dan Arnon
发明人： Mark J. Halstead , Adi Ofer , Dan Arnon
IPC分类号： G06F300
CPC分类号： G06F11/1666 , G06F3/0601 , G06F11/20 , G06F11/2069 , G06F2003/0697
摘要： Determining device characteristics includes obtaining a first globally accessible value, if the first globally accessible value corresponds to a stored first value, obtaining device characteristics data from a relatively fast memory, if the first globally accessible value does not correspond to the stored first value, obtaining a second globally accessible value, if the second globally accessible value corresponds to a stored second value, obtaining device characteristics data from a relatively fast memory, if the second globally accessible value does not correspond to the stored second value, obtaining device characteristics data from a relatively slow memory and updating the relatively fast memory, the stored first value, and the stored second value. The globally accessible first value may include device I/O information. The globally accessible values may be stored in global memory that is accessible to a plurality of processors.

15. 发明授权

US06701392B1 Hierarchical approach to indentifying changing device characteristics 有权
标题翻译：分类方法来识别变化的设备特性
公开(公告)号：US06701392B1
公开(公告)日：2004-03-02
申请号：US09998494
申请日：2001-11-30
申请人： Mark J. Halstead , Adi Ofer , Dan Arnon
发明人： Mark J. Halstead , Adi Ofer , Dan Arnon
IPC分类号： G06F300
CPC分类号： G06F11/1666 , G06F3/0601 , G06F11/20 , G06F11/2069 , G06F2003/0697
摘要： Determining device characteristics includes obtaining a first globally accessible value, if the first globally accessible value corresponds to a stored first value, obtaining device characteristics data from a relatively fast memory, if the first globally accessible value does not correspond to the stored first value, obtaining a second globally accessible value, if the second globally accessible value corresponds to a stored second value, obtaining device characteristics data from a relatively fast memory, if the second globally accessible value does not correspond to the stored second value, obtaining device characteristics data from a relatively slow memory and updating the relatively fast memory, the stored first value, and the stored second value. The globally accessible first value may include device I/O information. The globally accessible values may be stored in global memory that is accessible to a plurality of processors.
摘要翻译：确定设备特征包括获得第一全局可访问值，如果第一全局可访问值对应于存储的第一值，则从相对较快的存储器获取设备特征数据，如果第一全局可访问值不对应于存储的第一值，获得第二全局可访问值，如果第二全局可访问值对应于存储的第二值，则从相对较快的存储器获取设备特征数据，如果第二全局可访问值不对应于存储的第二值，则从相对较慢的存储器和更新相对较快的存储器，存储的第一值和存储的第二值。全局可访问的第一值可以包括设备I / O信息。全局可访问值可以存储在多个处理器可访问的全局存储器中。

16. 发明授权

US08977826B1 Extent commands in replication 有权
标题翻译：扩展命令在复制
公开(公告)号：US08977826B1
公开(公告)日：2015-03-10
申请号：US13338788
申请日：2011-12-28
申请人： David Meiri , Dan Arnon , Benjamin W. Yoder , Mark J. Halstead , Assaf Natanzon
发明人： David Meiri , Dan Arnon , Benjamin W. Yoder , Mark J. Halstead , Assaf Natanzon
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F11/20 , G06F3/06 , G06F11/14
CPC分类号： G06F11/2056 , G06F3/0611 , G06F3/065 , G06F3/067 , G06F11/1471 , G06F11/2064 , G06F11/2066 , G06F11/2074 , G06F2201/855
摘要： A method, system, and computer program product for ordering a plurality of data IO captured at a primary site to be applied at a secondary site, comprising removing the one or more extent level portions from the captured data IO, determining if the one or more extent level portions are time sequenced to overwrite a portion of data of the data IO, based on a determination that the portion data is to be overwritten, removing the overwritten portion of data from the plurality of the data IO and ordering the one or more extent level portions to be applied at the secondary site before the captured data IO.
摘要翻译：一种方法，系统和计算机程序产品，用于对在主站点捕获的多个数据IO进行排序以应用于辅助站点，包括从所捕获的数据IO移除所述一个或多个盘区级别部分，确定所述一个或多个基于要重写部分数据的确定，从多个数据IO中移除数据的重写部分并对一个或多个范围进行排序，扩展级别部分被时间排序以重写数据IO的一部分数据在捕获的数据IO之前在次要站点应用的级别部分。

17. 发明授权

US08782357B2 Reversing a communication path between storage devices 有权
标题翻译：反转存储设备之间的通信路径
公开(公告)号：US08782357B2
公开(公告)日：2014-07-15
申请号：US11268158
申请日：2005-11-07
申请人： Mark J. Halstead , Dan Arnon , David Meiri
发明人： Mark J. 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.
摘要翻译：将第一存储设备上的第一卷和第二存储设备上的第二卷之间的通信路径反转包括暂停在第一和第二卷之间的通信，同时维护其他卷的存储设备的操作，从而使第一卷从源卷到目标卷，而不会破坏第一个卷，导致第二个卷从目标卷更改为源卷，而不会破坏第二个卷，并恢复第一个和第二个卷之间的通信。使第一卷从源卷更改为目标卷可能包括修改第一个存储设备的表。使第二卷从源卷更改为目的地卷可能包括修改第二个存储设备的表。

18. 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。

19. 发明授权

US07702871B1 Write pacing 有权
标题翻译：写起搏
公开(公告)号：US07702871B1
公开(公告)日：2010-04-20
申请号：US11897686
申请日：2007-08-31
申请人： Dan Arnon , David Meiri
发明人： Dan Arnon , David Meiri
IPC分类号： G06F12/00
CPC分类号： G06F11/2066 , G06F3/0611 , G06F3/0614 , G06F3/0659 , G06F3/067 , G06F11/2074
摘要： A system for controlling the pacing of host data writes in response to changing system conditions allows for the use of variably controlled delays that facilitate asynchronous replication with bounded lag and smooth steady-state performance. Adding delay to the writes slows down the host and dampens activity spikes. A first storage device receives a write request, transmits data to a second storage device, and acknowledges the write request. An amount of additional write response time is controlled between when the write request is received and when the write request is acknowledged by the first storage device, where the amount of additional write response time is controlled according to system parameters including an amount of lag time between when the write request is received and when the write request is committed at the second storage device.
摘要翻译：用于控制主机数据写入的响应于系统条件变化的系统允许使用可变控制的延迟，其有助于具有有界滞后和平滑稳态性能的异步复制。添加延迟写入会减慢主机并减少活动尖峰。第一存储装置接收写请求，向第二存储装置发送数据，并确认写请求。在写入请求被接收时和当第一存储设备确认写入请求之间时，控制附加的写入响应时间量，其中根据系统参数来控制附加的写入响应时间量，包括一个滞后时间量当写入请求被接收时和在第二存储设备处提交写入请求时。

20. 发明授权

US07383385B2 Remote mirroring in a switched environment 有权
标题翻译：在交换环境中进行远程镜像
公开(公告)号：US07383385B2
公开(公告)日：2008-06-03
申请号：US11627000
申请日：2007-01-25
申请人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselisi
发明人： David Meiri , Dan Arnon , Mark J. Halstead , Peter Kamvysselisi
IPC分类号： G06F13/14
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对应的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。

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