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41. 发明授权

US08677087B2 Continuous backup of a storage device 有权
标题翻译：连续备份存储设备
公开(公告)号：US08677087B2
公开(公告)日：2014-03-18
申请号：US11325078
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/00
CPC分类号： G06F11/1451 , G06F11/1461
摘要： Continuous backup from a local storage device to a remote storage device includes subdividing the local storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the local storage device at a particular time, maintaining at the remote storage device data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. Providing continuous backup from a local storage device to a remote storage device may also include restoring the local storage device to a state thereof at a particular point in time by writing the maintained data to the remote storage device and transferring the data from the remote storage device to the local storage device.
摘要翻译：从本地存储设备到远程存储设备的连续备份包括将本地存储设备细分为子部分，提供定期修改的时间指示符，以及响应于向本地存储设备的特定子部分写入新数据的请求在特定时间，在远程存储设备处的维护根据特定子部分根据特定时间的指示符的值覆盖新数据的数据。提供从本地存储设备到远程存储设备的连续备份还可以包括通过将维护的数据写入到远程存储设备并从远程存储设备传送数据来将本地存储设备恢复到特定时间点的状态到本地存储设备。

42. 发明申请

US20130103650A1 STORAGE ARRAY SNAPSHOTS FOR LOGGED ACCESS REPLICATION IN A CONTINUOUS DATA PROTECTION SYSTEM 有权
标题翻译：在连续数据保护系统中存储访问存储库的存储阵列
公开(公告)号：US20130103650A1
公开(公告)日：2013-04-25
申请号：US13684656
申请日：2012-11-26
申请人： Assaf Natanzon , Arieh Don , David Meiri
发明人： Assaf Natanzon , Arieh Don , David Meiri
IPC分类号： G06F17/30
CPC分类号： G06F17/30008 , G06F11/2069 , G06F11/2074 , G06F11/2082 , G06F2201/855
摘要： Methods and apparatus for storage snapshots for logged access replication using a data protection appliance in a continuous data protection system having a splitter. In one embodiment, out of band data transfer reduces disruption on the replica site while accessing an image.
摘要翻译：用于使用具有分离器的连续数据保护系统中的数据保护装置来记录访问复制的存储快照的方法和装置。在一个实施例中，带外数据传输减少了在访问图像时复制站点的中断。

43. 发明授权

US08335771B1 Storage array snapshots for logged access replication in a continuous data protection system 有权
标题翻译：用于连续数据保护系统中记录访问复制的存储阵列快照
公开(公告)号：US08335771B1
公开(公告)日：2012-12-18
申请号：US12893594
申请日：2010-09-29
申请人： Assaf Natanzon , Arieh Don , David Meiri
发明人： Assaf Natanzon , Arieh Don , David Meiri
IPC分类号： G06F17/00
CPC分类号： G06F17/30008 , G06F11/2069 , G06F11/2074 , G06F11/2082 , G06F2201/855
摘要： Methods and apparatus for a continuous data protection system having a protection agent and at least one data protection appliance that enables, in an image access mode, a rolling back of volumes in a highly available storage array on the target side so that the volumes contain data for a selected point in time, creation of a storage array snapshot of the volumes for the point in time, and user access to the storage array snapshot in the storage array.
摘要翻译：具有保护代理和至少一个数据保护装置的连续数据保护系统的方法和装置，其能够以图像访问模式在目标侧的高可用性存储阵列中回滚卷，使得卷包含数据对于选定的时间点，创建时间点的卷的存储阵列快照，以及用户对存储阵列中存储阵列快照的访问。

44. 发明授权

US07870195B1 Inter-processor messaging 有权
标题翻译：处理器间通讯
公开(公告)号：US07870195B1
公开(公告)日：2011-01-11
申请号：US09768323
申请日：2001-01-24
申请人： David Meiri
发明人： David Meiri
IPC分类号： G06F15/16
CPC分类号： G06F15/167
摘要： A data storage system in which a several processors communicate with each other includes a shared memory that is accessible to each of the processors. The shared memory has a message section having a message list made up of an ordered sequence of message slots in which processors leave message for each other. Each message slot includes a static-information repository for static information specifying all intended recipients of a message carried by the message slot as well as a dynamic-information repository for dynamic information specifying which of the intended recipients have already encountered the message slot.
摘要翻译：多个处理器彼此通信的数据存储系统包括可由每个处理器访问的共享存储器。共享存储器具有消息部分，其具有消息列表，消息列表由消息时隙的有序序列组成，其中处理器彼此之间留下消息。每个消息槽包括静态信息存储库，用于指定消息时隙携带的消息的所有预期接收者的静态信息，以及用于指定哪些预期接收者已经遇到消息时隙的动态信息库。

45. 发明授权

US07617372B1 Avoiding copy on first write 有权
标题翻译：避免在第一次写入时复制
公开(公告)号：US07617372B1
公开(公告)日：2009-11-10
申请号：US11528767
申请日：2006-09-28
申请人： Magnus E. Bjornsson , Rong Yu , Haim Kopylovitz , David Meiri
发明人： Magnus E. Bjornsson , Rong Yu , Haim Kopylovitz , David Meiri
IPC分类号： G06F12/00
CPC分类号： G06F12/0866 , G06F3/0611 , G06F3/0659 , G06F3/0683 , Y10S707/99953 , Y10S707/99955
摘要： Handling a write operation to write data to a section of a storage device includes determining if the section needs to be copied to at least a first target device and, if the section of the storage device needs to be copied to the at least first target device, providing the data to a memory location and confirming completion of the write operation prior to copying the section of the storage device to the at least first target device. Handling a write operation to write data to a section of a storage device may also include determining if a slot in a cache memory corresponding to the section of the storage device needs to be copied to at least a second target device. If so, then in some cases the slot may be copied to the at least second target device prior to providing the data to the memory location.
摘要翻译：处理写入操作以将数据写入存储设备的一部分包括确定该部分是否需要被复制到至少第一目标设备，并且如果存储设备的部分需要被复制到至少第一目标设备在将所述存储设备的所述部分复制到所述至少第一目标设备之前，将数据提供给存储器位置并确认所述写入操作的完成。处理写入操作以将数据写入存储设备的一部分还可以包括确定与存储设备的部分相对应的高速缓存中的时隙是否需要被复制到至少第二目标设备。如果是这样，那么在某些情况下，可以在将数据提供给存储器位置之前将插槽复制到至少第二目标设备。

46. 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。

47. 发明申请

US20070174576A1 Continuous backup 有权
标题翻译：连续备份
公开(公告)号：US20070174576A1
公开(公告)日：2007-07-26
申请号：US11324766
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/00
CPC分类号： G06F11/2064 , G06F11/1451 , G06F11/2074 , G06F12/0815 , G06F2201/855
摘要： Providing continuous backup of a storage device includes subdividing the storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the storage device at a particular time, maintaining data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. The subsections may be tracks. Maintaining the data being overwritten may include constructing a linked list of portions of data for each of the subsections. The portions of data may have variable sizes. In response to two data write operations to a particular subsection at a particular value of the indicator, data being written for each of the two data write operations may be combined if data for the second data write operation is a subset of data for the first data write operation. Providing continuous backup of a storage device may also include restoring the storage device to a state thereof at a particular point in time by writing the maintained data to the storage device. Writing the maintained data to the storage device may include constructing subsections of the data by combining separate portions thereof corresponding to the same subsection.
摘要翻译：提供存储设备的连续备份包括将存储设备细分为子部分，提供定期修改的时间指示符，并且响应于在特定时间向存储设备的特定子部分写入新数据的请求，维护数据被新数据根据特定小节覆盖，并根据特定时间的指标值。小节可能是轨道。维护被覆盖的数据可以包括为每个子部分构建数据部分的链接列表。数据的部分可能具有可变大小。响应于在指示符的特定值处对特定子部分的两个数据写入操作，如果用于第二数据写入操作的数据是用于第一数据的数据的子集，则可以组合用于两个数据写入操作中的每一个的数据写操作。提供存储设备的连续备份还可以包括通过将维护的数据写入存储设备来在特定时间点将存储设备恢复到其状态。将维护的数据写入存储设备可以包括通过组合对应于相同子部分的分开的部分来构建数据的子部分。

48. 发明申请

US20060195656A1 Virtual ordered writes for multiple storage devices 有权
标题翻译：多个存储设备的虚拟有序写入
公开(公告)号：US20060195656A1
公开(公告)日：2006-08-31
申请号：US11343152
申请日：2006-01-30
申请人： Douglas Lecrone , Kevin Heasley , Vadim Longinov , Mark Halstead , David Meiri , Benjamin Yoder , William Thibodeau
发明人： Douglas Lecrone , Kevin Heasley , Vadim Longinov , Mark Halstead , David Meiri , Benjamin Yoder , William Thibodeau
IPC分类号： G06F13/00
CPC分类号： G06F3/0619 , G06F3/0665 , G06F3/0689 , G06F11/2064 , G06F11/2074 , G06F17/30067 , G06F2201/82 , Y10S707/99943
摘要： Ordering data writes includes at least some of a group of primary storage devices receiving a first plurality of data writes, causing a cycle switch for the group of primary storage devices where the first plurality of data writes are associated with a particular cycle on each primary storage device in the group, and at least some of the group of primary storage devices receiving a second plurality of writes after initiating the cycle switch where all of the second plurality of writes are associated with a cycle different from the particular cycle on each primary storage device. Writes to the group begun after initiating the cycle switch may not complete until after the cycle switch has completed. Ordering data writes may also include, after completion of the cycle switch, each of the primary storage devices of the group initiating transfer of the first plurality of writes to a corresponding secondary storage device. Ordering data writes may also include, following each of the primary storage devices of the group completing transfer of the first plurality of writes to a corresponding secondary storage device, each of the primary storage devices sending a message to the corresponding secondary storage device.
摘要翻译：订购数据写入包括接收第一多个数据写入的一组主存储设备中的至少一些，从而为主存储设备组进行循环切换，其中第一多个数据写入与每个主存储器上的特定周期相关联该组中的至少一些初级存储设备中的至少一些，在启动循环开关之后接收第二多个写入的组中的至少一些，其中所有第二多个写入都与不同于每个主存储设备上的特定周期的循环相关联。启动循环开关后开始的组写入可能不会完成，直到循环切换完成。订购数据写入还可以包括在循环切换完成之后，组中的每个主存储设备启动第一多个写入的传送到对应的辅助存储设备。订购数据写入还可以包括，在组的每个主存储设备完成将第一多个写入传送到相应的辅助存储设备之后，每个主存储设备向相应的辅助存储设备发送消息。

49. 发明授权

US09483355B1 Tracking copy sessions 有权
标题翻译：跟踪复制会话
公开(公告)号：US09483355B1
公开(公告)日：2016-11-01
申请号：US13537642
申请日：2012-06-29
申请人： David Meiri , Xiali He , Sathyanarayan Jaganathan
发明人： David Meiri , Xiali He , Sathyanarayan Jaganathan
IPC分类号： G06F12/00 , G06F11/14 , G06F11/20 , G06F13/00 , G06F13/28
CPC分类号： G06F3/065 , G06F3/0619 , G06F3/0644 , G06F3/0659 , G06F3/067 , G06F11/1448 , G06F11/2064
摘要： Maintaining a set of extents corresponding to a portion of an initial logical volume that is to be copied includes initializing a table having entries corresponding to different portions of the initial logical volume, where each of the entries is initialized with a first value, following initializing the table, providing a second value different from the first value to an entry in the table corresponding to a portion of the initial logical volume to which a write operation is performed and establishing the set of extents, where the first value is provided to entries in the table that correspond to portions of the initial logical device indicated by the extents. Data of the initial logical volume corresponding to the set of extents may be copied to at least one other logical volume.
摘要翻译：保持对应于要复制的初始逻辑卷的一部分的扩展区包括初始化具有对应于初始逻辑卷的不同部分的条目的表，其中每个条目被初始化为第一值，表，将与第一值不同的第二值提供给与执行写入操作的初始逻辑卷的一部分相对应的表中的条目，并建立扩展区集合，其中第一个值被提供给表对应于由盘区指示的初始逻辑设备的部分。对应于扩展区集合的初始逻辑卷的数据可以被复制到至少一个其他逻辑卷。

50. 发明授权

US08706959B1 Virtual storage machine 有权
标题翻译：虚拟存储机
公开(公告)号：US08706959B1
公开(公告)日：2014-04-22
申请号：US12459474
申请日：2009-06-30
申请人： Dan Arnon , David Meiri , Ian Wigmore , Patrick Brian Riordan , George M. Ericson , Navindra Sharma
发明人： Dan Arnon , David Meiri , Ian Wigmore , Patrick Brian Riordan , George M. Ericson , Navindra Sharma
IPC分类号： G06F12/00
CPC分类号： G06F3/0689 , G06F3/0617 , G06F3/0619 , G06F3/0665
摘要： The disclosure relates to a method and system for creating a virtual array in a physical array. Unassigned whole volumes in at least one physical array are identified. The identified volumes are associated with a first virtual array. Unique names are given to the identified volumes. At least one path is assigned to the first virtual array. The first virtual array may be associated with a second virtual array. Data may be migrated or replicated from the first virtual array to the second virtual array using existing array services.
摘要翻译：本公开涉及用于在物理阵列中创建虚拟阵列的方法和系统。识别至少一个物理阵列中未分配的整个卷。所识别的卷与第一虚拟阵列相关联。给定的卷赋予了唯一的名称。至少一个路径被分配给第一个虚拟阵列。第一虚拟阵列可以与第二虚拟阵列相关联。可以使用现有阵列服务将数据从第一个虚拟阵列迁移或复制到第二个虚拟阵列。

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