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1. 发明申请

US20070130214A1 Apparatus, system, and method for continuously protecting data 有权
标题翻译：用于连续保护数据的装置，系统和方法
公开(公告)号：US20070130214A1
公开(公告)日：2007-06-07
申请号：US11295933
申请日：2005-12-07
申请人： Kenneth Boyd , John Flynn , Robert Kern , Gregory McBride , William Micka , David Shackelford
发明人： Kenneth Boyd , John Flynn , Robert Kern , Gregory McBride , William Micka , David Shackelford
IPC分类号： G06F17/30
CPC分类号： G06F11/2074 , G06F11/1471 , G06F2201/835 , G06F2201/855
摘要： An apparatus, system, and method are disclosed for continuously protecting data. A mirror module mirrors a primary record set to a base record set. A log module accumulates each record change to the primary record set in a log. A change selection module selects a record change from the log. A change application module applies the selected record change to the base record set to form a recovered record set.
摘要翻译：公开了用于连续保护数据的装置，系统和方法。镜像模块将主记录集反映到基本记录集。日志模块将每个记录更改累积到日志中的主记录集。更改选择模块从日志中选择记录更改。更改应用程序模块将所选记录更改应用于基本记录集以形成恢复记录集。

2. 发明申请

US20070168707A1 Data protection in storage systems 有权
标题翻译：存储系统中的数据保护
公开(公告)号：US20070168707A1
公开(公告)日：2007-07-19
申请号：US11297126
申请日：2005-12-07
申请人： Robert Kern , Kenneth Boyd , William Micka , Gregory McBride , John Flynn , John Wolfgang , Michael Factor , Amiram Hayardeny , Kenneth Day , Aviad Zlotnick
发明人： Robert Kern , Kenneth Boyd , William Micka , Gregory McBride , John Flynn , John Wolfgang , Michael Factor , Amiram Hayardeny , Kenneth Day , Aviad Zlotnick
IPC分类号： G06F11/00
CPC分类号： G06F11/1435 , G06F11/1471 , G06F2201/84
摘要： Provided are a method, system, and article of manufacture wherein a command is received for writing data to a first storage location. A determination is made that previously written data is stored in the first storage location. The previously written data is copied to a second storage location, in response to determining that the previously written data is stored in the first storage location. The data is written to the first storage location, in response to copying the previously written data to the second storage location.
摘要翻译：提供了一种方法，系统和制品，其中接收到用于向第一存储位置写入数据的命令。确定先前写入的数据被存储在第一存储位置。响应于确定先前写入的数据被存储在第一存储位置，先前写入的数据被复制到第二存储位置。响应于将先前写入的数据复制到第二存储位置，数据被写入到第一存储位置。

3. 发明申请

US20070220223A1 Remote copying of updates to primary and secondary storage locations subject to a copy relationship 有权
标题翻译：将副本存储位置远程复制到复制关系
公开(公告)号：US20070220223A1
公开(公告)日：2007-09-20
申请号：US11384798
申请日：2006-03-17
申请人： Kenneth Boyd , Lisa Gundy , Nils Kaving , Robert Kern , Gregory McBride , Alan McClure , William Micka , David Petersen , Gail Spear , Warren Stanley
发明人： Kenneth Boyd , Lisa Gundy , Nils Kaving , Robert Kern , Gregory McBride , Alan McClure , William Micka , David Petersen , Gail Spear , Warren Stanley
IPC分类号： G06F12/16
CPC分类号： G06F11/2058 , G06F11/2066 , G06F11/2069 , G06F11/2082
摘要： Provided are a method, system, and program for remote copying of updates to primary and secondary storage locations subject to a copy relationship. A first copy relationship is established between first and second storage locations in a first storage system and second storage system, respectively, wherein updates to the first storage locations are copied to the second storage locations. A second copy relationship is established between the first storage locations in the first copy relationship and third storage locations in a third storage system, wherein updates to the first storage locations are indicated in a first bitmap. A suspended third copy relationship is established between the second storage locations in the first copy relationship and the third storage locations, wherein updates to the second storage locations are indicated in a second bitmap. Updates are copied from the first or second storage locations to the third storage locations, wherein the first or second bitmap is capable of being used to determine updates for the first or second storage locations to copy to the third storage locations.
摘要翻译：提供了一种方法，系统和程序，用于远程复制受副本关系的主要和次要存储位置的更新。分别在第一存储系统和第二存储系统中的第一和第二存储位置之间建立第一复制关系，其中将第一存储位置的更新复制到第二存储位置。在第一复制关系中的第一存储位置和第三存储系统中的第三存储位置之间建立第二复制关系，其中在第一位图中指示对第一存储位置的更新。在第一复制关系中的第二存储位置和第三存储位置之间建立暂停的第三复制关系，其中在第二位图中指示对第二存储位置的更新。将更新从第一或第二存储位置复制到第三存储位置，其中第一或第二位图能够用于确定第一或第二存储位置的更新以复制到第三存储位置。

4. 发明申请

US20070156983A1 Maintaining consistency when mirroring data using different copy technologies 失效
标题翻译：使用不同的复制技术对数据进行镜像时保持一致性
公开(公告)号：US20070156983A1
公开(公告)日：2007-07-05
申请号：US11325032
申请日：2006-01-03
申请人： Robert Kern , Kenneth Boyd , Gregory McBride , Gail Spear , Robert Bartfai , William Micka , Kenneth Day
发明人： Robert Kern , Kenneth Boyd , Gregory McBride , Gail Spear , Robert Bartfai , William Micka , Kenneth Day
IPC分类号： G06F12/16
CPC分类号： G06F11/2064 , G06F11/2069 , G06F11/2071
摘要： Provided are a method, system, and program for maintaining consistency when mirroring data using different copy technologies. Update groups having updates to primary storage locations are formed using a first copy technology. The updates in the update groups are copied to secondary storage locations. Update groups having updates to primary storage locations are formed using a second copy technology, wherein the updates in the update groups are copied to secondary storage locations. Indication is made in a data structure of a time of an update in response to including the update in one of the update groups formed using the first copy technology. Indication is also made in the data structure of a time of the update group formed using the second copy technology.
摘要翻译：提供了一种在使用不同的复制技术镜像数据时保持一致性的方法，系统和程序。使用第一复制技术形成具有对主存储位置的更新的更新组。更新组中的更新将复制到辅助存储位置。使用第二复制技术形成具有对主存储位置的更新的更新组，其中更新组中的更新被复制到辅助存储位置。响应于在使用第一复制技术形成的更新组之一中包括更新而在更新的时间的数据结构中进行指示。在使用第二复制技术形成的更新组的时间的数据结构中也进行指示。

5. 发明申请

US20070239950A1 Consistent updates across storage subsystems 有权
标题翻译：跨存储子系统的一致更新
公开(公告)号：US20070239950A1
公开(公告)日：2007-10-11
申请号：US11399973
申请日：2006-04-06
申请人： Robert Kern , Gregory McBride , Kenneth Boyd , William Micka , Gail Spear , Robert Bartfai
发明人： Robert Kern , Gregory McBride , Kenneth Boyd , William Micka , Gail Spear , Robert Bartfai
IPC分类号： G06F12/16
CPC分类号： G06F11/1461 , G06F11/1456 , G06F11/1464 , G06F2201/82
摘要： Provided are a method, system, and article of manufacture, wherein a primary control unit sends a selected time to a plurality of secondary control units. Clocks are periodically synchronized at the primary control unit and the secondary control units with a time server. The primary control unit and the plurality of secondary control units consistently update secondary storage subsystems coupled to the plurality of secondary control units at the selected time.
摘要翻译：提供了一种方法，系统和制品，其中主控制单元将选择的时间发送到多个次级控制单元。在主控制单元和辅助控制单元周期性地使用时间服务器同步时钟。主控制单元和多个辅助控制单元在所选择的时间始终更新耦合到多个辅助控制单元的辅助存储子系统。

6. 发明申请

US20060098818A1 Encryption technique for asynchronous control commands and data 审中-公开
标题翻译：异步控制命令和数据的加密技术
公开(公告)号：US20060098818A1
公开(公告)日：2006-05-11
申请号：US10986477
申请日：2004-11-10
申请人： Nicholas Fifer , Robert Bartfai , William Micka , Warren Stanley , Kenneth Day , Kenneth Boyd
发明人： Nicholas Fifer , Robert Bartfai , William Micka , Warren Stanley , Kenneth Day , Kenneth Boyd
IPC分类号： H04K1/06
CPC分类号： H04L63/0428 , G06F21/80 , H04L63/0478
摘要： A method of transmitting information from a primary storage control unit to a secondary storage control unit in an asynchronous data copying system. The method includes building multiple descriptor blocks for transmission from the primary storage control unit, and encrypting multiple payloads according to one of n encryption methods. In addition, the n encryption methods are associated with the primary storage control unit and n decryption keys relating to the n encryption methods are associated with the secondary storage control unit. An index to the n encryption keys is associated with the multiple descriptor blocks. The method further includes encrypting each of the payloads according to one of the n encryption methods and indicating, in the index associated with a selected descriptor block, which decryption key relates to the encryption method used for any payload associated with a select descriptor block. Upon transmission of a descriptor block from the primary storage control unit to the secondary storage control unit, the index is read and an appropriate decryption key is applied according to a decryption method to decrypt any payload associated with the descriptor block.
摘要翻译：一种在异步数据复制系统中将信息从主存储控制单元传送到次存储控制单元的方法。该方法包括构建用于从主存储控制单元传输的多个描述符块，并根据n种加密方法之一加密多个有效载荷。此外，n个加密方法与主存储控制单元相关联，并且与n个加密方法相关的n个解密密钥与次要存储控制单元相关联。 n个加密密钥的索引与多个描述符块相关联。该方法还包括根据n个加密方法中的一个加密每个有效载荷，并且在与所选择的描述符块相关联的索引中指示哪个解密密钥与用于与选择描述符块相关联的任何有效载荷的加密方法相关。在将描述符块从主存储控制单元发送到辅助存储控制单元时，读取索引，并且根据解密方法应用适当的解密密钥来解密与描述符块相关联的任何有效载荷。

7. 发明申请

US20050010732A1 Autonomic link optimization through elimination of unnecessary transfers 失效
标题翻译：通过消除不必要的转移来进行自动链接优化
公开(公告)号：US20050010732A1
公开(公告)日：2005-01-13
申请号：US10618242
申请日：2003-07-11
申请人： Kenneth Boyd , Kenneth Day , Philip Dudas , William Micka , John Wolfgang
发明人： Kenneth Boyd , Kenneth Day , Philip Dudas , William Micka , John Wolfgang
IPC分类号： G06F11/20 , G06F12/16 , H04L29/08
CPC分类号： G06F11/2064 , G06F11/2074 , H04L67/1095 , Y10S707/99953 , Y10S707/99955
摘要： Disclosed are a system, a method, and a computer program product to efficiently create consistent transaction sets to maintain one or more copies of data at different data storage sites. All transactions sent to a primary backup appliance during a consistent transaction set creation interval are formed into a consistent transaction set by efficiently adding new transactions as they are received and removing unnecessary transfers as newer versions arrive. When the creation interval has expired, the complete consistent transaction set is transferred to a secondary backup appliance to be used to update a consistent backup copy of the primary site data. For each consistent transaction set, there will be a tree data structure (a search tree) created that contains the addressing information for all of the blocks of data in the consistent transaction set. The tree data structure used is a modified splay tree, which is a specialization of a binary search tree such that accessed nodes are “percolated” to the top of the tree for faster subsequent access. Secondary data consistency is maintained because the consistent transaction sets are applied whole at the secondary site, and after application, the secondary volumes are exact copies of the primary volumes at the time the consistent transaction set was completed.
摘要翻译：公开了一种系统，方法和计算机程序产品，用于有效地创建一致的事务集以在不同的数据存储站点维护一个或多个数据副本。在一致的事务集创建间隔期间发送到主备份设备的所有事务通过在接收到高效添加新事务时被形成为一致的事务集，并在新的版本到达时删除不必要的传输。创建间隔已过期时，完整的一致事务集将传输到辅助备份设备，以用于更新主站点数据的一致备份副本。对于每个一致的事务集，将创建一个包含一致事务集中所有数据块的寻址信息的树数据结构（搜索树）。所使用的树数据结构是一个修改后的播放树，它是一个二叉搜索树的专门化，使得被访问的节点被“穿越”到树的顶部，以便更快的后续访问。维持辅助数据一致性，因为一致的事务集整体应用于辅助站点，并且在应用程序之后，辅助卷是一致事务集完成时主卷的精确副本。

8. 发明申请

US20080046612A1 METHOD, APPARATUS AND PROGRAM STORAGE DEVICE FOR PROVIDING ASYNCHRONOUS STATUS MESSAGING IN A DATA STORAGE SYSTEM 有权
标题翻译：用于在数据存储系统中提供异步状态消息的方法，装置和程序存储设备
公开(公告)号：US20080046612A1
公开(公告)日：2008-02-21
申请号：US11852125
申请日：2007-09-07
申请人： Brent Beardsley , Minh-Ngoc Huynh , William Micka , Satish Penmetsa , Richard Schaeffer , Kaukab Uddin
发明人： Brent Beardsley , Minh-Ngoc Huynh , William Micka , Satish Penmetsa , Richard Schaeffer , Kaukab Uddin
IPC分类号： G06F3/00
CPC分类号： G06F13/385 , G06F13/42 , G06F2213/0036
摘要： A method, apparatus and program storage device for providing asynchronous status messaging in a data storage system Asynchronous events are returned from a target to an initiator in response to a Read Message from the initiator. The return status message may or may not be associated with a previously given command or Logical Unit (LUN).
摘要翻译：一种用于在数据存储系统中提供异步状态消息的方法，装置和程序存储装置响应于来自发起者的读取消息，异步事件从目标返回到发起者。返回状态消息可以或可以不与先前给出的命令或逻辑单元（LUN）相关联。

9. 发明申请

US20050138318A1 Apparatus and method to initialize information disposed in an information storage and retrieval system 失效
标题翻译：初始化设置在信息存储和检索系统中的信息的装置和方法
公开(公告)号：US20050138318A1
公开(公告)日：2005-06-23
申请号：US10743664
申请日：2003-12-22
申请人： Kevin Ash , Susan Candelaria , Joseph Hyde , Thomas Jarvis , William Micka , Kenneth Todd , Gail Spear
发明人： Kevin Ash , Susan Candelaria , Joseph Hyde , Thomas Jarvis , William Micka , Kenneth Todd , Gail Spear
IPC分类号： G06F3/06 , G06F12/00 , G06F12/08
CPC分类号： G06F3/0652 , G06F3/061 , G06F3/0689 , G06F12/0804 , G06F12/0868
摘要： A method to initialize information disposed in an information storage and retrieval system comprising a data cache and one or more information storage media comprising a plurality of addresses. The method receives an initialization command, where that initialization command comprises a range of addresses and, optionally, an initialization pattern, where the plurality of addresses includes the range of addresses. The method forms and saves state information, where that state information includes the initialization pattern, and generates and saves a plurality of indicators, where that plurality of indicators includes an indicator for each track comprising the range of addresses. The method sets each of those indicators to a first value thereby indicating special handling, and provides an ending status signal, such that the receiving step, forming step, generating step, setting step, and providing step are performed substantially synchronously.
摘要翻译：一种初始化设置在信息存储和检索系统中的信息的方法，包括数据高速缓存和包括多个地址的一个或多个信息存储介质。该方法接收初始化命令，其中该初始化命令包括地址范围和可选择的初始化模式，其中多个地址包括地址范围。该方法形成并保存状态信息，其中该状态信息包括初始化模式，并且生成并保存多个指示符，其中多个指示符包括包括地址范围的每个轨道的指示符。该方法将每个指示器设置为第一值，从而指示特殊处理，并提供结束状态信号，使得接收步骤，形成步骤，生成步骤，设置步骤和提供步骤基本上同步地进行。

10. 发明申请

US20050071586A1 Method, system, and program for asynchronous copy 有权
标题翻译：用于异步复制的方法，系统和程序
公开(公告)号：US20050071586A1
公开(公告)日：2005-03-31
申请号：US10675317
申请日：2003-09-29
申请人： Robert Bartfai , William Micka , Thomas Jarvis , Olympia Gluck , Michael Factor , Irit Dolev , Warren Stanley , Martin Tross , Sam Werner , Aviad Zlotnick , Gail Spear
发明人： Robert Bartfai , William Micka , Thomas Jarvis , Olympia Gluck , Michael Factor , Irit Dolev , Warren Stanley , Martin Tross , Sam Werner , Aviad Zlotnick , Gail Spear
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0835 , G06F12/0826
摘要： Disclosed is a technique for maintaining consistency of data. One or more blocks of data identified by a first structure are copied to form a consistent set of data. While not acknowledging completion of write requests to any blocks of data, a second structure is created, wherein the second structure indicates which blocks of data are modified while the consistent set of data is being formed. Also disclosed is a technique for asynchronous copy. Indicators are updated in a first structure for one or more blocks of data, wherein each indicator in the first structure indicates whether a corresponding block of data was modified since the block of data was last sent to remote storage. While copying the blocks of data identified by the indicators in the first structure as having been modified since the blocks of data were last sent to remote storage, indicators in a second structure are updated for the one or more blocks of data, wherein each indicator in the second structure indicates whether a corresponding block of data was modified while a consistent set of data is being formed.
摘要翻译：公开了一种保持数据一致性的技术。由第一结构标识的一个或多个数据块被复制以形成一致的数据集。在不向任何数据块确认写请求的完成的情况下，创建第二结构，其中第二结构指示在形成一致的数据集时修改数据块。还公开了用于异步复制的技术。指示符以用于一个或多个数据块的第一结构进行更新，其中第一结构中的每个指示符指示是否修改了相应的数据块，因为数据块最后发送到远程存储。由于数据块最后发送到远程存储，将第一结构中由指示符标识的数据块复制为已被修改，因此对于一个或多个数据块更新了第二结构中的指示符，其中每个指示符第二结构指示在形成一致的一组数据时是否修改相应的数据块。

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