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1. 发明申请

US20050228954A1 Method, system, and program for improved throughput in remote mirroring systems 有权
标题翻译：用于提高远程镜像系统吞吐量的方法，系统和程序
公开(公告)号：US20050228954A1
公开(公告)日：2005-10-13
申请号：US11144318
申请日：2005-06-03
申请人： Michael Factor , Shachar Fienblit , Olympia Gluck , Joseph Hyde , Thomas Jarvis , William Micka , Gail Spear , Martin Tross , Aviad Zlotnick
发明人： Michael Factor , Shachar Fienblit , Olympia Gluck , Joseph Hyde , Thomas Jarvis , William Micka , Gail Spear , Martin Tross , Aviad Zlotnick
IPC分类号： G06F11/14 , G06F11/20 , G06F12/00
CPC分类号： G06F11/2066 , G06F11/1451 , G06F11/1658 , G06F11/1666 , G06F11/20 , G06F11/2074
摘要： Disclosed is a method, system, and program for managing metadata in cache. A first policy is used to determine when to remove data from a primary cache, and a second policy is used to determine when to remove data from a metadata cache.
摘要翻译：公开了一种用于管理缓存中的元数据的方法，系统和程序。第一个策略用于确定何时从主缓存中删除数据，第二个策略用于确定何时从元数据缓存中删除数据。

2. 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。

3. 发明申请

US20070028065A1 METHOD, SYSTEM AND PROGRAM FOR FORMING A CONSISTENCY GROUP 失效
标题翻译：用于形成一致性组的方法，系统和程序
公开(公告)号：US20070028065A1
公开(公告)日：2007-02-01
申请号：US11470612
申请日：2006-09-06
申请人： Gail Spear , Robert Bartfai , Edward Lin , William Micka , Olympia Gluck , Aviad Zlotnick , Michael Factor , Thomas Jarvis , Sam Werner
发明人： Gail Spear , Robert Bartfai , Edward Lin , William Micka , Olympia Gluck , Aviad Zlotnick , Michael Factor , Thomas Jarvis , Sam Werner
IPC分类号： G06F12/16
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2074 , G06F2201/82
摘要： Provided are a method, system, and program for forming a consistency group of data. Information is provided on a consistency group relationship indicating a plurality of slave controllers and, for each indicated slave controller, a slave storage unit managed by the slave controller. A command is transmitted to each slave controller in the consistency group relationship to cause each slave controller to transmit data in the slave storage unit to a remote storage in a manner that forms the consistency group. A determination is made as to whether all the slave controllers successfully transmitted the data in the slave storage units that is part of the consistency group to the remote storage.
摘要翻译：提供了用于形成一致性数据组的方法，系统和程序。根据指示多个从控制器的一致性组关系提供信息，并且对于每个指示的从控制器，由从控制器管理的从存储单元提供信息。以一致性组关系将命令发送到每个从控制器，以使每个从控制器以形成一致性组的方式将从属存储单元中的数据传输到远程存储器。确定所有从属控制器是否成功地将作为一致性组的一部分的从属存储单元中的数据发送到远程存储器。

4. 发明申请

US20050071588A1 Method, system, and program for forming a consistency group 失效
标题翻译：用于形成一致性组的方法，系统和程序
公开(公告)号：US20050071588A1
公开(公告)日：2005-03-31
申请号：US10676852
申请日：2003-09-29
申请人： Gail Spear , Robert Bartfai , Edward Lin , William Micka , Olympia Gluck , Aviad Zlotnick , Michael Factor , Thomas Jarvis , Sam Werner
发明人： Gail Spear , Robert Bartfai , Edward Lin , William Micka , Olympia Gluck , Aviad Zlotnick , Michael Factor , Thomas Jarvis , Sam Werner
IPC分类号： G06F11/14 , G06F11/20 , G06F12/16
CPC分类号： G06F11/2064 , G06F11/2071 , G06F11/2074 , G06F2201/82
摘要： Provided are a method, system, and program for forming a consistency group of data. Information is provided on a consistency group relationship indicating a plurality of slave controllers and, for each indicated slave controller, a slave storage unit managed by the slave controller. A command is transmitted to each slave controller in the consistency group relationship to cause each slave controller to transmit data in the slave storage unit to a remote storage in a manner that forms the consistency group. A determination is made as to whether all the slave controllers successfully transmitted the data in the slave storage units that is part of the consistency group to the remote storage.
摘要翻译：提供了用于形成一致性数据组的方法，系统和程序。根据指示多个从控制器的一致性组关系提供信息，并且对于每个指示的从控制器，由从控制器管理的从存储单元提供信息。以一致性组关系将命令发送到每个从控制器，以使每个从控制器以形成一致性组的方式将从属存储单元中的数据传输到远程存储器。确定所有从属控制器是否成功地将作为一致性组的一部分的从属存储单元中的数据发送到远程存储器。

5. 发明申请

US20080021974A1 METHOD, SYSTEM, AND ARTICLE OF MANUFACTURE FOR REMOTE COPYING OF DATA 有权
标题翻译：用于远程复制数据的方法，系统和制造
公开(公告)号：US20080021974A1
公开(公告)日：2008-01-24
申请号：US11832566
申请日：2007-08-01
申请人： Warren Stanley , William Micka , Gail Spear , Sam Werner , Olympia Gluck , Michael Factor , Robert Bartfai
发明人： Warren Stanley , William Micka , Gail Spear , Sam Werner , Olympia Gluck , Michael Factor , Robert Bartfai
IPC分类号： G06F12/02
CPC分类号： G06F11/2058 , G06F11/2064 , G06F11/2071 , H04L67/1095 , H04L69/40
摘要： Provided are a method, system, and article of manufacture for copying storage. Data sent from a first storage unit is synchronously copied at a second storage unit. The copied data is sent asynchronously from the second storage unit to a third storage unit.
摘要翻译：提供了用于复制存储的方法，系统和制品。从第一存储单元发送的数据在第二存储单元同步复制。复制的数据从第二存储单元异步发送到第三存储单元。

6. 发明申请

US20050251634A1 Point in time copy between data storage systems 失效
标题翻译：在数据存储系统之间的时间点复制
公开(公告)号：US20050251634A1
公开(公告)日：2005-11-10
申请号：US10839034
申请日：2004-05-05
申请人： Helena Burton , Michael Factor , Timothy Griffin , Thomas Jarvis , William Micka , Yoram Novick , Gail Spear , Sam Werner
发明人： Helena Burton , Michael Factor , Timothy Griffin , Thomas Jarvis , William Micka , Yoram Novick , Gail Spear , Sam Werner
IPC分类号： G06F13/10 , G06F3/06 , G06F11/20 , G06F12/16
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/067 , G06F11/1458 , G06F2201/82
摘要： A target data storage system comprises a peer-to-peer communication link interface for linking the target to a source data storage system, and data storage for storing point in time copy data received from the source via the peer-to-peer communication link interface. Information is established at the target relating logical identification of the point in time copy data to point in time copy data stored at the target and to point in time copy data stored at the source, such that the information references the data storage system having requested point in time copy data. A controller of the target accesses requested point in time copy data at the target if the table indicates that the requested point in time copy data is available at the target; else obtains the requested point in time copy data from the source via the peer-to-peer communication link interface.
摘要翻译：目标数据存储系统包括用于将目标链接到源数据存储系统的点对点通信链路接口以及用于通过对等通信链路接口从源接收的时间点复制数据的数据存储器。在目标处建立信息，将时间点的复制数据的时间点的逻辑识别与存储在目标上的时间复制数据相关联，并将时间点复制存储在源中的数据，使得信息引用具有请求点的数据存储系统及时复制数据。如果该表指示所请求的时间点复制数据在目标上可用，则请求时间点的目标访问控制器复制数据在目标上; 否则通过对等通信链路接口从源中获得请求的时间点复制数据。

7. 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。

8. 发明申请

US20050071380A1 Apparatus and method to coordinate multiple data storage and retrieval systems 审中-公开
标题翻译：协调多个数据存储和检索系统的装置和方法
公开(公告)号：US20050071380A1
公开(公告)日：2005-03-31
申请号：US10675289
申请日：2003-09-29
申请人： William Micka , Gail Spear , Warren Stanley , Aviad Zlotnick
发明人： William Micka , Gail Spear , Warren Stanley , Aviad Zlotnick
IPC分类号： G06F3/06 , G06F12/00
CPC分类号： G06F11/2064 , G06F3/0605 , G06F3/0614 , G06F3/0635 , G06F3/065 , G06F3/067 , G06F11/2074
摘要： A method to coordinate interconnected information storage and retrieval systems, where each of the information and storage systems is capable of communicating with one or more host computers. The method provides a plurality of controllers and one or more information storage and retrieval systems, where each of the plurality of controllers is disposed in one of the one or more information storage and retrieval systems. The method designates one of the plurality of controllers as a master controller and the remaining controllers as target controllers. The method then generates one or more master controller commands by the master controller, and provides those one or more master controller commands to each of said target controllers, where the one or more master controller commands cause said target controllers to adjust the flow of data into and out of the one or more information storage and retrieval systems.
摘要翻译：一种协调互连的信息存储和检索系统的方法，其中每个信息和存储系统能够与一个或多个主机通信。该方法提供多个控制器和一个或多个信息存储和检索系统，其中多个控制器中的每一个被布置在一个或多个信息存储和检索系统之一中。该方法将多个控制器中的一个指定为主控制器，其余控制器指定为目标控制器。该方法然后由主控制器生成一个或多个主控制器命令，并且将这些一个或多个主控制器命令提供给每个所述目标控制器，其中一个或多个主控制器命令使所述目标控制器将数据流调整为并在一个或多个信息存储和检索系统之外。

9. 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。

10. 发明申请

US20050081091A1 Method, system and article of manufacture for recovery from a failure in a cascading PPRC system 失效
标题翻译：用于从级联PPRC系统故障中恢复的方法，系统和制造
公开(公告)号：US20050081091A1
公开(公告)日：2005-04-14
申请号：US10674866
申请日：2003-09-29
申请人： Robert Bartfai , Michael Factor , Gail Spear , William Micka
发明人： Robert Bartfai , Michael Factor , Gail Spear , William Micka
IPC分类号： G06F11/00 , G06F11/20
CPC分类号： G06F11/2082 , G06F11/2058 , G06F11/2071
摘要： A method of recovery from a data storage system failure in a data storage system having a host computer writing data to a first storage unit with a first storage controller synchronously mirroring the data to a second storage unit, and with a second storage controller asynchronously mirroring the data to a third storage unit. The method begins with the detection of a failure associated with the first storage unit. Upon detection of the error or failure associated with the first storage unit, the synchronous data mirroring relationship between the first storage unit and the second storage unit is terminated and the host is directed to write data updates directly to the second storage unit. Upon correction of the failure associated with the first storage unit, the asynchronous mirroring of data updates from the second storage unit to the third storage unit is suspended and synchronous mirroring of the data updates in a reverse direction, from the second storage unit to the first storage unit, is commenced. When a full duplex state is reached between the first storage unit and the second storage unit, the synchronous PPRC relationship with the first storage volume mirroring data to the second storage volume may be reestablished and host I/O writes to the first storage unit may be resumed.
摘要翻译：一种从具有主机的数据存储系统中的数据存储系统故障恢复的方法，所述数据存储系统具有主计算机，用第一存储控制器向第一存储单元写入数据，所述第一存储控制器将所述数据同步地镜像到第二存储单元，并且与第二存储控制器异步镜像数据到第三存储单元。该方法开始于检测与第一存储单元相关联的故障。在检测到与第一存储单元相关联的错误或故障时，第一存储单元和第二存储单元之间的同步数据镜像关系被终止，并且主机将数据更新直接写入第二存储单元。在校正与第一存储单元相关联的故障时，暂停从第二存储单元到第三存储单元的数据更新的异步镜像，并且数据的同步镜像沿相反方向从第二存储单元更新到第一存储单元存储单元，开始。当在第一存储单元和第二存储单元之间达到全双工状态时，可以重新建立与第一存储卷镜像数据到第二存储卷的同步PPRC关系，并且可以向第一存储单元写入主机I / O 恢复。

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