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1. 发明授权

US07000145B2 Method, system, and program for reverse restore of an incremental virtual copy 失效
标题翻译：用于反向恢复增量虚拟副本的方法，系统和程序
公开(公告)号：US07000145B2
公开(公告)日：2006-02-14
申请号：US10464918
申请日：2003-06-18
申请人： Sam Clark Werner , William Frank Micka , Dalit Tzafrir , Matthew Sanchez , Sivan Tal , Ifat Nuriel , Sheli Rahav , Gail Andrea Spear , Warren K. Stanley , Thomas Charles Jarvis , Amiram Hayardeny , Shachar Fienblit , Rivka Mayraz Matosevich , Svetlana Shukevich , Theresa Mary Brown
发明人： Sam Clark Werner , William Frank Micka , Dalit Tzafrir , Matthew Sanchez , Sivan Tal , Ifat Nuriel , Sheli Rahav , Gail Andrea Spear , Warren K. Stanley , Thomas Charles Jarvis , Amiram Hayardeny , Shachar Fienblit , Rivka Mayraz Matosevich , Svetlana Shukevich , Theresa Mary Brown
IPC分类号： G06F12/12 , G06F12/16
CPC分类号： G06F11/2082 , Y10S707/99953
摘要： Disclosed is a technique for applying changes back to an original copy of data to reduce an amount of data transferred. A first indicator is maintained for each block of data in a first storage to indicate whether the block of data has been updated in the first storage since the block of data was last transferred to a second storage. A second indicator is maintained for each block of data in the second storage to indicate whether the block of data has been updated in the second storage since the block of data in the second storage was overwritten by a corresponding block of data in the first storage. Upon receiving a reverse restore operation, each block of data in the second storage for which a second indicator has been set to indicate that the block of data has been updated is transferred to the first storage and each block of data in the second storage that corresponds to a block of data in the first storage for which a first indicator has been set to indicate that the block of data in the first storage has been updated is transferred to the first storage.
摘要翻译：公开了一种用于将更改应用于数据的原始副本以减少传送的数据量的技术。对于第一存储器中的每个数据块来维持第一指示符，以指示数据块是否已经在第一存储器中被更新，因为数据块最后传送到第二存储器。维持第二存储器中的每个数据块的第二指示符，以指示在第二存储器中数据块是否已被更新，因为第二存储器中的数据块被第一存储器中相应的数据块覆盖。在接收到反向恢复操作时，第二存储器中的已经被设置为指示数据块已被更新的第二存储器中的每个数据块被传送到对应于第二存储器的第一存储器和第二存储器中的每个数据块涉及第一存储器中已经设置了第一指示符以指示第一存储器中的数据块已经被更新的数据块被传送到第一存储器。

2. 发明授权

US06996586B2 Method, system, and article for incremental virtual copy of a data block 失效
标题翻译：用于数据块增量虚拟副本的方法，系统和文章
公开(公告)号：US06996586B2
公开(公告)日：2006-02-07
申请号：US10465118
申请日：2003-06-18
申请人： Warren K. Stanley , William Frank Micka , Sam Clark Werner , Sivan Tal , Gail Andrea Spear , Theresa Mary Brown , Matthew Sanchez , Sheli Rahav , Thomas Charles Jarvis , Amiram Hayardeny , Dalit Tzafrir , Shachar Fienblit , Rivka Mayraz Matosevich , Svetlana Shukevich , Ifat Nuriel
发明人： Warren K. Stanley , William Frank Micka , Sam Clark Werner , Sivan Tal , Gail Andrea Spear , Theresa Mary Brown , Matthew Sanchez , Sheli Rahav , Thomas Charles Jarvis , Amiram Hayardeny , Dalit Tzafrir , Shachar Fienblit , Rivka Mayraz Matosevich , Svetlana Shukevich , Ifat Nuriel
IPC分类号： G06F12/12
CPC分类号： G06F11/2082 , G06F11/1451 , Y10S707/99954
摘要： Disclosed is a technique for reducing an amount of data transferred. A first indicator is maintained for each source block of data to indicate whether the source block of data has been updated in source storage since the source block of data was last transferred to target storage. A second indicator is maintained for each target block of data in target storage to indicate whether the target block of data has been updated in target storage since the target block of data was overwritten by a corresponding source block of data. When transferring data from the source storage to the target storage, each source block of data for which a first indicator has been set to indicate that the source block of data has been updated is transferred and each source block of data that corresponds to a target block of data for which a second indicator has been set to indicate that the target block of data has been updated is transferred.
摘要翻译：公开了一种减少传送数据量的技术。为每个数据源块维护第一个指示符，以指示源数据源是否已经在源存储器中更新，因为源数据块最后传输到目标存储。为目标存储器中的每个目标数据块保持第二指示符，以指示目标数据块是否已经在目标存储器中被更新，因为目标数据块被相应的源数据块覆盖。当将数据从源存储器传送到目标存储器时，传送已经设置了第一指示符的数据的源数据块，以指示源数据块已经被更新，并且每个与目标块对应的源数据块的第二指示符被设置为指示目标数据块已被更新的数据被传送。

3. 发明授权

US08892834B2 Cyclic point-in-time-copy architecture with data deduplication 有权
标题翻译：具有重复数据删除功能的循环时间点复制体系结构
公开(公告)号：US08892834B2
公开(公告)日：2014-11-18
申请号：US13459159
申请日：2012-04-28
申请人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
发明人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
IPC分类号： G06F12/16 , G06F3/06
CPC分类号： G06F3/065 , G06F3/061 , G06F3/067
摘要： A method for performing a write to a volume x in a cyclic point-in-time-copy architecture is described. In one embodiment, such a method includes determining whether the volume x has a child volume. The method then determines whether the target bit maps (TBMs) of both the volume x and the child volume are set. If the TBMs are set, the method finds a higher source (HS) volume from which to copy the desired data to the child volume. Once the HS volume is found, the method determines whether the HS volume and the child volume are the same volume. If the HS volume and the child volume are not the same volume, the method copies the data from the HS volume to the child volume. The method then performs the write to the volume x.
摘要翻译：描述了在循环时间点复制架构中对卷x进行写入的方法。在一个实施例中，这种方法包括确定卷x是否具有子卷。然后，该方法确定是否设置了卷x和子卷的目标比特映射（TBM）。如果设置了TBM，则该方法将找到更高的源（HS）卷，从该卷将所需数据复制到子卷。一旦找到HS卷，该方法确定HS卷和子卷是否是相同的卷。如果HS卷和子卷的卷不相同，则该方法将数据从HS卷复制到子卷。该方法然后执行对卷x的写入。

4. 发明授权

US07124128B2 Method, system, and program for managing requests to tracks subject to a relationship 有权
标题翻译：用于管理与关系相关的轨道的请求的方法，系统和程序
公开(公告)号：US07124128B2
公开(公告)日：2006-10-17
申请号：US10463967
申请日：2003-06-17
申请人： James Alan Springer, Sr. , Matthew Sanchez , Theresa Mary Brown , Richard Kenneth Martinez , Gail Andrea Spear , Sam Clark Werner , Thomas Charles Jarvis , Thomas John Creath
发明人： James Alan Springer, Sr. , Matthew Sanchez , Theresa Mary Brown , Richard Kenneth Martinez , Gail Andrea Spear , Sam Clark Werner , Thomas Charles Jarvis , Thomas John Creath
IPC分类号： G06F17/30
CPC分类号： G06F3/065 , G06F3/061 , G06F3/064 , G06F3/0683 , G06F11/2056 , G06F11/2069 , G06F12/0866 , Y10S707/99933 , Y10S707/99942 , Y10S707/99952
摘要： Provided are a method, system, and program for managing data. A data request is received to a target track in a relationship, wherein the relationship associates a source track with the target track. A destage request to destage the source track is submitted in response to the data request to the target track, wherein executing the data request to the target track is conditioned on receiving a completion response to the destage request. If the source track is not in cache, then a complete response is returned to the destage request. If the source track was in cache when the relationship was established, then the destage request is added to an Input/Output (I/O) queue for the source track. After the source track is destaged in response to processing the destage request in the I/O queue, the complete response is returned to the destage request.
摘要翻译：提供了一种用于管理数据的方法，系统和程序。在关系中向目标轨道接收数据请求，其中所述关系将源轨道与目标轨道相关联。响应于对目标轨道的数据请求，提交了对源轨道的去追索请求，其中向目标轨道执行数据请求的条件是接收到对流出请求的完成响应。如果源轨道不在高速缓存中，则完整的响应将返回到目的地请求。如果源轨道在建立关系时处于高速缓存中，那么将要将源目录追加到源轨道的输入/输出（I / O）队列中。在源路径响应处理I / O队列中的目的地请求之后，源轨道被转移，完整的响应将返回到流水请求。

5. 发明授权

US08782362B2 Cyclic point-in-time-copy architecture with data deduplication 失效
标题翻译：具有重复数据删除功能的循环时间点复制体系结构
公开(公告)号：US08782362B2
公开(公告)日：2014-07-15
申请号：US13043416
申请日：2011-03-08
申请人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
发明人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
IPC分类号： G06F12/02
CPC分类号： G06F3/065 , G06F3/061 , G06F3/067
摘要： A method for performing a write to a volume x in a cyclic point-in-time-copy architecture is described. In one embodiment, such a method includes determining whether the volume x has a child volume. The method then determines whether the target bit maps (TBMs) of both the volume x and the child volume are set. If the TBMs are set, the method finds a higher source (HS) volume from which to copy the desired data to the child volume. Once the HS volume is found, the method determines whether the HS volume and the child volume are the same volume. If the HS volume and the child volume are not the same volume, the method copies the data from the HS volume to the child volume. The method then performs the write to the volume x. A corresponding computer program product is also described.
摘要翻译：描述了在循环时间点复制架构中对卷x进行写入的方法。在一个实施例中，这种方法包括确定卷x是否具有子卷。然后，该方法确定是否设置了卷x和子卷的目标比特映射（TBM）。如果设置了TBM，则该方法将找到更高的源（HS）卷，从该卷将所需数据复制到子卷。一旦找到HS卷，该方法确定HS卷和子卷是否是相同的卷。如果HS卷和子卷的卷不相同，则该方法将数据从HS卷复制到子卷。该方法然后执行对卷x的写入。还描述了相应的计算机程序产品。

6. 发明授权

US08667237B2 Deleting relations in multi-target, point-in-time-copy architectures with data deduplication 有权
公开(公告)号：US08667237B2
公开(公告)日：2014-03-04
申请号：US13043398
申请日：2011-03-08
申请人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
发明人： Michael Thomas Benhase, Jr. , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren
IPC分类号： G06F12/12
CPC分类号： G06F3/065 , G06F3/06 , G06F3/0604 , G06F3/0605 , G06F3/061 , G06F3/0634 , G06F3/0641 , G06F3/067 , G06F12/12
摘要： A method for deleting a relation between a source and a target in a multi-target architecture is described. The multi-target architecture includes a source and multiple targets mapped thereto. In one embodiment, such a method includes initially identifying a relation for deletion from the multi-target architecture. A target associated with the relation is then identified. The method then identifies a sibling target that inherits data from the target. Once the target and the sibling target are identified, the method copies the data from the target to the sibling target. The relation between the source and the target is then deleted. A corresponding computer program product is also disclosed and claimed herein.

7. 发明授权

US08458134B2 Near continuous space-efficient data protection 有权
标题翻译：靠近连续空间高效的数据保护
公开(公告)号：US08458134B2
公开(公告)日：2013-06-04
申请号：US13076383
申请日：2011-03-30
申请人： Michael Thomas Benhase , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren , Gail Andrea Spear
发明人： Michael Thomas Benhase , Theresa Mary Brown , Lokesh Mohan Gupta , Carol Santich Mellgren , Gail Andrea Spear
IPC分类号： G06F17/00
CPC分类号： G06F11/1448 , G06F2201/84
摘要： A method for providing rolling continuous data protection of source data is disclosed. In one embodiment, such a method includes enabling a user to select source data and establish a first interval when point-in-time copies of the source data are generated. The method further enables the user to specify a first number of point-in-time copies to retain at the first interval. The method further enables the user to specify a second number of point-in-time copies to retain at a second interval, wherein the second interval is a (n≧2) multiple of the first interval. The method further enables the user to specify a third number of point-in-time copies to retain at a third interval, wherein the third interval is a (n≧2) multiple of the second interval. A corresponding apparatus and computer program product are also disclosed.
摘要翻译：公开了一种用于提供源数据的滚动连续数据保护的方法。在一个实施例中，这种方法包括使得用户能够选择源数据并且在产生源数据的时间点副本时建立第一间隔。该方法还使得用户可以指定第一数量的时间点副本以在第一间隔保持。该方法还允许用户指定第二数量的时间点副本以保持在第二间隔，其中第二间隔是第一间隔的（n> = 2）倍。该方法还允许用户指定第三数量的时间点副本以保持在第三间隔，其中第三间隔是第二间隔的（n> = 2）倍。还公开了相应的装置和计算机程序产品。

8. 发明授权

US08606767B2 Efficient metadata invalidation for target CKD volumes 失效
标题翻译：目标CKD卷的高效元数据无效
公开(公告)号：US08606767B2
公开(公告)日：2013-12-10
申请号：US13369222
申请日：2012-02-08
申请人： Theresa Mary Brown , Nedlaya Yazzie Francisco , Beth Ann Peterson , Suguang Li
发明人： Theresa Mary Brown , Nedlaya Yazzie Francisco , Beth Ann Peterson , Suguang Li
IPC分类号： G06F17/30
CPC分类号： G06F3/067 , G06F3/0617 , G06F3/0634 , G06F3/0659 , G06F11/1446
摘要： A method for invalidating metadata associated with a target count-key-data (CKD) volume is disclosed. The method initially receives a command for a target CKD volume. The command is either an “establish” command for establishing a point-in-time copy relationship, or a “withdraw” command for withdrawing a point-in-time copy relationship. The method determines a track range, spanning a number of data tracks in the CKD volume, associated with the command. Each data track in the track range is associated with a metadata track. For each metadata track whose associated data tracks are fully contained in the track range, the method performs a first procedure. For each metadata track whose associated data tracks are not fully contained in the track range, the method performs a second procedure different from the first procedure. A corresponding apparatus and computer program product are also disclosed.
摘要翻译：公开了一种使与目标计数密钥数据（CKD）卷相关联的元数据无效的方法。该方法最初接收目标CKD卷的命令。该命令是用于建立时间点复制关系的“建立”命令或用于撤回时间点复制关系的“撤回”命令。该方法确定与该命令相关联的跨越CKD卷中的多个数据轨道的轨迹范围。轨道范围中的每个数据轨道与元数据轨道相关联。对于其相关数据轨道完全包含在轨道范围内的每个元数据轨道，该方法执行第一过程。对于其相关联的数据轨道未完全包含在轨道范围内的每个元数据轨道，该方法执行与第一过程不同的第二过程。还公开了相应的装置和计算机程序产品。

9. 发明授权

US07363629B2 Method, system, and program for remote resource management 有权
标题翻译：用于远程资源管理的方法，系统和程序
公开(公告)号：US07363629B2
公开(公告)日：2008-04-22
申请号：US10465177
申请日：2003-06-19
申请人： James Alan Springer, Sr. , Thomas Charles Jarvis , Gail Andrea Spear , Sam Clark Werner , Richard Kenneth Martinez , Matthew Sanchez , Theresa Mary Brown
发明人： James Alan Springer, Sr. , Thomas Charles Jarvis , Gail Andrea Spear , Sam Clark Werner , Richard Kenneth Martinez , Matthew Sanchez , Theresa Mary Brown
IPC分类号： G06F9/46
CPC分类号： G06F9/505 , H04L29/06 , H04L47/39 , H04L67/1097 , H04L67/322 , H04L69/329
摘要： Provided are a method, system, and program for managing resources in which a local processor sends remote operation requests to be executed by a remote processor having multiple resources. In the illustrated embodiment, the local processor and the remote processor each have a resource manager, each of which maintains a control set for each resource of the remote processor. Each control set of the remote processor resource manager includes a queue for queuing remote operation requests awaiting execution in connection with the resource associated with the control set. Each control set of the local processor resource manager includes a credit counter which keeps track of permissible outstanding remote operation requests. Each local processor control set credit counter is decremented for each remote operation request for the associated resource sent to the remote processor and is incremented for each acknowledgment received from the remote processor. For each remote processor control set, the remote processor resource manager sends an acknowledgment for each remote operation request initiated in connection with the associated resource. For each local processor control set, the local processor resource manager queues remote operation requests if the control set credit counter falls below a threshold after being initialized in accordance with the capacity of the associated remote processor control set queue.
摘要翻译：提供了一种用于管理资源的方法，系统和程序，其中本地处理器发送由具有多个资源的远程处理器执行的远程操作请求。在所示实施例中，本地处理器和远程处理器各自具有资源管理器，每个资源管理器为远程处理器的每个资源维护一个控制集。远程处理器资源管理器的每个控制集合包括用于排队等待与控制集相关联的资源执行的远程操作请求的队列。本地处理器资源管理器的每个控制组包括信用计数器，其记录允许的未完成的远程操作请求。对于发送到远程处理器的相关资源的每个远程操作请求，每个本地处理器控制集信用计数器递减，并且对于从远程处理器接收的每个确认递增递增。对于每个远程处理器控制集，远程处理器资源管理器发送与相关资源相关联的每个远程操作请求的确认。对于每个本地处理器控制集合，如果在根据相关联的远程处理器控制集队列的容量初始化之后控制集信用计数器下降到阈值以下，则本地处理器资源管理器排队远程操作请求。

10. 发明授权

US07124323B2 Method, system, and program for recovery of a reverse restore operation 有权
标题翻译：用于恢复反向还原操作的方法，系统和程序
公开(公告)号：US07124323B2
公开(公告)日：2006-10-17
申请号：US10465069
申请日：2003-06-18
申请人： Matthew Sanchez , Theresa Mary Brown , Sam Clark Werner , Gail Andrea Spear
发明人： Matthew Sanchez , Theresa Mary Brown , Sam Clark Werner , Gail Andrea Spear
IPC分类号： G06F11/00
CPC分类号： G06F11/2064 , G06F11/2069 , G06F11/2074
摘要： Disclosed is a technique for processing interruption of an operation that transfers data between a source and a target. An indication that a reverse restore operation has been interrupted is received. It is determined whether designation of at least one of an original source and an original target has been reversed. The settings of one or more relation indicators are also determined. Processing to be performed is identified based on the determinations of whether designations have been reversed and based on the settings of the one or more relation indicators.
摘要翻译：公开了一种用于处理在源和目标之间传送数据的操作中断的技术。接收到反向恢复操作被中断的指示。确定原始源和原始目标中的至少一个的指定是否已被反转。还确定了一个或多个关系指标的设置。基于是否已经反转了指定并且基于一个或多个关系指示符的设置来确定要执行的处理。

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