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1. 发明申请

US20160034283A1 GLOBAL DATA ESTABLISHMENT FOR STORAGE ARRAYS CONTROLLED BY A PLURALITY OF NODES 有权
标题翻译：全球数据建立由多个节点控制的存储阵列
公开(公告)号：US20160034283A1
公开(公告)日：2016-02-04
申请号：US14882240
申请日：2015-10-13
申请人： International Business Machines Corporation
发明人： Ellen J. Grusy , Kurt A. Lovrien , Karl A. Nielsen , Jacob L. Sheppard
IPC分类号： G06F9/44 , G06F9/445
CPC分类号： G06F9/4401 , G06F3/0619 , G06F3/0632 , G06F3/067 , G06F3/0689 , G06F9/44505
摘要： A plurality of data arrays are coupled to a plurality of nodes via a plurality of adapters. The plurality of adapters discover the plurality of data arrays during startup, and information about the plurality of data arrays are communicated to corresponding local nodes of the plurality of nodes, wherein the local nodes broadcast the information to other nodes of plurality of nodes. A director node of the plurality of nodes determines which data arrays of the plurality of data arrays are a current set of global metadata arrays, based on the broadcasted information.
摘要翻译：多个数据阵列经由多个适配器耦合到多个节点。多个适配器在启动期间发现多个数据阵列，并且关于多个数据阵列的信息被传送到多个节点中的对应的本地节点，其中本地节点将信息广播到多个节点的其他节点。多个节点的指导节点基于所广播的信息确定多个数据阵列中的哪些数据阵列是当前的全局元数据数组集合。

2. 发明申请

US20130205093A1 MANAGEMENT OF POINT-IN-TIME COPY RELATIONSHIP FOR EXTENT SPACE EFFICIENT VOLUMES 有权
公开(公告)号：US20130205093A1
公开(公告)日：2013-08-08
申请号：US13790088
申请日：2013-03-08
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Theresa M. Brown , Ellen J. Grusy , Lokesh M. Gupta , Brian D. Hatfield , Kurt A. Lovrien , Carol S. Mellgren , Raul E. Saba
IPC分类号： G06F12/12
CPC分类号： G06F12/023 , G06F3/0608 , G06F3/0611 , G06F3/0631 , G06F3/0644 , G06F3/065 , G06F3/0652 , G06F3/0656 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F11/1458 , G06F12/0802 , G06F12/12 , G06F2003/0691 , G06F2003/0692 , G06F2003/0698 , G06F2212/1024 , G06F2212/1044 , G06F2212/281 , G06F2212/312 , G06F2212/70
摘要： A storage controller receives a request to establish a point-in-time copy operation by placing a space efficient source volume in a point-in-time copy relationship with a space efficient target volume, wherein subsequent to being established the point-in-time copy operation is configurable to consistently copy the space efficient source volume to the space efficient target volume at a point in time. A determination is made as to whether any track of an extent is staging into a cache from the space efficient target volume or destaging from the cache to the space efficient target volume. In response to a determination that at least one track of the extent is staging into the cache from the space efficient target volume or destaging from the cache to the space efficient target volume, release of the extent from the space efficient target volume is avoided.

3. 发明授权

US09152344B2 Facilitation of simultaneous storage initialization and data destage 有权
标题翻译：促进同时存储初始化和数据流出
公开(公告)号：US09152344B2
公开(公告)日：2015-10-06
申请号：US14189307
申请日：2014-02-25
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Ellen J. Grusy , Matthew J. Kalos , Kurt A. Lovrien , Matthew Sanchez
IPC分类号： G06F13/00 , G06F13/28 , G06F3/06 , G06F12/08
CPC分类号： G06F3/0604 , G06F3/0617 , G06F3/0632 , G06F3/064 , G06F3/0652 , G06F3/067 , G06F3/0683 , G06F12/0804 , G06F12/0866 , H04L67/1097
摘要： Various embodiments for storage initialization and data destage in a computing storage environment are provided. At least a portion of data on a storage device is initialized using a background process, while one of simultaneously and subsequently destaging the at least the portion of the data to the storage device using a foreground process is performed. A persistent metadata bitmap, adapted to indicate whether the at least the portion of the data has been initialized, is staged to cache, the cache operable in the computing storage environment. The background process maintains a volatile bitmap indicating a status of the initialization of the at least the portion of the data in direct correspondence to the metadata bitmap. As the background process initializes the at least the portion of the data, an applicable bit on the persistent metadata bitmap is cleared and a corresponding bit is set on the volatile bitmap.
摘要翻译：提供了用于计算存储环境中的存储初始化和数据流出的各种实施例。使用后台处理来初始化存储设备上的数据的至少一部分，同时执行使用前台进程同时并随后将至少一部分数据分配给存储设备的一个。持续性元数据位图，适于指示数据的至少部分是否已被初始化，被暂存到高速缓存中，高速缓存可在计算存储环境中操作。后台进程保持易失性位图，指示与元数据位图直接对应的至少部分数据的初始化状态。随着后台进程初始化数据的至少一部分，清除持久性元数据位图上的适用位，并在易失性位图上设置相应的位。

4. 发明授权

US09058293B2 Management of point-in-time copy relationship for extent space efficient volumes 有权
公开(公告)号：US09058293B2
公开(公告)日：2015-06-16
申请号：US13790088
申请日：2013-03-08
申请人： International Business Machines Corporation
发明人： Theresa M. Brown , Ellen J. Grusy , Lokesh M. Gupta , Brian D. Hatfield , Kurt A. Lovrien , Carol S. Mellgren , Raul E. Saba
IPC分类号： G06F12/12 , G06F3/06 , G06F11/14
CPC分类号： G06F12/023 , G06F3/0608 , G06F3/0611 , G06F3/0631 , G06F3/0644 , G06F3/065 , G06F3/0652 , G06F3/0656 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F11/1458 , G06F12/0802 , G06F12/12 , G06F2003/0691 , G06F2003/0692 , G06F2003/0698 , G06F2212/1024 , G06F2212/1044 , G06F2212/281 , G06F2212/312 , G06F2212/70
摘要： A storage controller receives a request to establish a point-in-time copy operation by placing a space efficient source volume in a point-in-time copy relationship with a space efficient target volume, wherein subsequent to being established the point-in-time copy operation is configurable to consistently copy the space efficient source volume to the space efficient target volume at a point in time. A determination is made as to whether any track of an extent is staging into a cache from the space efficient target volume or destaging from the cache to the space efficient target volume. In response to a determination that at least one track of the extent is staging into the cache from the space efficient target volume or destaging from the cache to the space efficient target volume, release of the extent from the space efficient target volume is avoided.

5. 发明申请

US20140115309A1 VALIDATION OF STORAGE ARRAYS BASED ON INFORMATION STORED IN GLOBAL METADATA 有权
标题翻译：根据存储在全球元数据中的信息验证存储阵列
公开(公告)号：US20140115309A1
公开(公告)日：2014-04-24
申请号：US13655067
申请日：2012-10-18
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Ellen J. Grusy , Kurt A. Lovrien , Karl A. Nielsen , Jacob L. Sheppard
IPC分类号： G06F15/177
CPC分类号： G06F3/0632 , G06F3/0619 , G06F3/067 , G06F3/0689
摘要： A director node of a plurality of nodes determines a plurality of data arrays, where the plurality of data arrays have been discovered at boot time. The director node determines global metadata information, based on reading boot sectors of at least one of the plurality of data arrays discovered at boot time. A determination is made from the global metadata information as to how many data arrays had been previously configured. In response to determining that the plurality of data arrays discovered at boot time is not equal in number to the previously configured data arrays, the director node determines that all configured data arrays have not been discovered.
摘要翻译：多个节点的指导节点确定多个数据阵列，其中在引导时已经发现多个数据阵列。导向器节点基于读取在引导时发现的多个数据阵列中的至少一个的引导扇区来确定全局元数据信息。从全球元数据信息中确定先前配置了多少数据阵列。响应于确定在引导时发现的多个数据阵列的数量与先前配置的数据阵列的数量不相等，导向器节点确定所有配置的数据阵列尚未被发现。

6. 发明授权

US09665282B2 Facilitation of simultaneous storage initialization and data destage 有权
公开(公告)号：US09665282B2
公开(公告)日：2017-05-30
申请号：US14848465
申请日：2015-09-09
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Ellen J. Grusy , Matthew J. Kalos , Kurt A. Lovrien , Matthew Sanchez
IPC分类号： G06F3/06 , G06F12/0804 , H04L29/08 , G06F12/0866
CPC分类号： G06F3/0604 , G06F3/0617 , G06F3/0632 , G06F3/064 , G06F3/0652 , G06F3/067 , G06F3/0683 , G06F12/0804 , G06F12/0866 , H04L67/1097
摘要： Various embodiments for storage initialization and data destage in a computing storage environment are provided. At least a portion of data on a storage device is initialized using a background process, while one of simultaneously and subsequently destaging the at least the portion of the data to the storage device using a foreground process is performed. A persistent metadata bitmap, adapted to indicate whether the at least the portion of the data has been initialized, is staged to cache, the cache operable in the computing storage environment. The background process maintains a volatile bitmap indicating a status of the initialization of the at least the portion of the data in direct correspondence to the metadata bitmap. As the background process initializes the at least the portion of the data, an applicable bit on the persistent metadata bitmap is cleared and a corresponding bit is set on the volatile bitmap.

7. 发明授权

US09244621B2 Global data establishment for storage arrays controlled by a plurality of nodes 有权
标题翻译：由多个节点控制的存储阵列的全局数据建立
公开(公告)号：US09244621B2
公开(公告)日：2016-01-26
申请号：US13655058
申请日：2012-10-18
申请人： International Business Machines Corporation
发明人： Ellen J. Grusy , Kurt A. Lovrien , Karl A. Nielsen , Jacob L. Sheppard
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F9/4401 , G06F3/0619 , G06F3/0632 , G06F3/067 , G06F3/0689 , G06F9/44505
摘要： A plurality of data arrays are coupled to a plurality of nodes via a plurality of adapters. The plurality of adapters discover the plurality of data arrays during startup, and information about the plurality of data arrays are communicated to corresponding local nodes of the plurality of nodes, wherein the local nodes broadcast the information to other nodes of plurality of nodes. A director node of the plurality of nodes determines which data arrays of the plurality of data arrays are a current set of global metadata arrays, based on the broadcasted information.
摘要翻译：多个数据阵列经由多个适配器耦合到多个节点。多个适配器在启动期间发现多个数据阵列，并且关于多个数据阵列的信息被传送到多个节点中的对应的本地节点，其中本地节点将信息广播到多个节点的其他节点。多个节点的指导节点基于所广播的信息确定多个数据阵列中的哪些数据阵列是当前的全局元数据数组集合。

8. 发明申请

US20150227455A1 MANAGEMENT OF POINT-IN-TIME COPY RELATIONSHIP FOR EXTENT SPACE EFFICIENT VOLUMES 有权
标题翻译：对空间有效体积的时间点复制关系的管理
公开(公告)号：US20150227455A1
公开(公告)日：2015-08-13
申请号：US14696088
申请日：2015-04-24
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Theresa M. Brown , Ellen J. Grusy , Lokesh M. Gupta , Brian D. Hatfield , Kurt A. Lovrien , Carol S. Mellgren , Raul E. Saba
IPC分类号： G06F12/02 , G06F3/06 , G06F12/08
CPC分类号： G06F12/023 , G06F3/0608 , G06F3/0611 , G06F3/0631 , G06F3/0644 , G06F3/065 , G06F3/0652 , G06F3/0656 , G06F3/0664 , G06F3/0665 , G06F3/0673 , G06F11/1458 , G06F12/0802 , G06F12/12 , G06F2003/0691 , G06F2003/0692 , G06F2003/0698 , G06F2212/1024 , G06F2212/1044 , G06F2212/281 , G06F2212/312 , G06F2212/70
摘要： A storage controller receives a request to establish a point-in-time copy operation by placing a space efficient source volume in a point-in-time copy relationship with a space efficient target volume, wherein subsequent to being established the point-in-time copy operation is configurable to consistently copy the space efficient source volume to the space efficient target volume at a point in time. A determination is made as to whether any track of an extent is staging into a cache from the space efficient target volume or destaging from the cache to the space efficient target volume. In response to a determination that at least one track of the extent is staging into the cache from the space efficient target volume or destaging from the cache to the space efficient target volume, release of the extent from the space efficient target volume is avoided.
摘要翻译：存储控制器通过将空间有效的源卷放置在与空间有效的目标卷的时间点复制关系中来接收建立时间点复制操作的请求，其中在建立时间点之后的时间点复制操作可配置为在某个时间点将空间有效的源卷始终复制到空间有效的目标卷。确定范围的任何轨迹是否从空间有效的目标卷进入高速缓存，或者从缓存降级到空间有效的目标卷。响应于确定范围的至少一个轨道从空间有效的目标卷进入高速缓存或从缓存降级到空间有效的目标卷，从而避免了空间有效的目标卷的扩展的释放。

9. 发明授权

US08671253B2 Facilitation of simultaneous storage initialization and data destage 有权
标题翻译：促进同时存储初始化和数据流出
公开(公告)号：US08671253B2
公开(公告)日：2014-03-11
申请号：US13732503
申请日：2013-01-02
申请人： International Business Machines Corporation
发明人： Ellen J. Grusy , Matthew J. Kalos , Kurt A. Lovrien , Matthew Sanchez
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F3/0604 , G06F3/0617 , G06F3/0632 , G06F3/064 , G06F3/0652 , G06F3/067 , G06F3/0683 , G06F12/0804 , G06F12/0866 , H04L67/1097
摘要： Various embodiments for storage initialization and data destage in a computing storage environment are provided. At least a portion of data on a storage device is initialized using a background process, while one of simultaneously and subsequently destaging the at least the portion of the data to the storage device using a foreground process is performed. A persistent metadata bitmap, adapted to indicate whether the at least the portion of the data has been initialized, is staged to cache, the cache operable in the computing storage environment. The background process maintains a volatile bitmap indicating a status of the initialization of the at least the portion of the data in direct correspondence to the metadata bitmap. As the background process initializes the at least the portion of the data, an applicable bit on the persistent metadata bitmap is cleared and a corresponding bit is set on the volatile bitmap.
摘要翻译：提供了用于计算存储环境中的存储初始化和数据流出的各种实施例。使用后台处理来初始化存储设备上的数据的至少一部分，同时执行使用前台进程同时并随后将至少一部分数据分配给存储设备的一个。持续性元数据位图，适于指示数据的至少部分是否已被初始化，被暂存到高速缓存中，高速缓存可在计算存储环境中操作。后台进程保持易失性位图，指示与元数据位图直接对应的至少部分数据的初始化状态。随着后台进程初始化数据的至少一部分，清除持久性元数据位图上的适用位，并在易失性位图上设置相应的位。

10. 发明授权

US10108362B2 Validation of storage arrays based on information stored in global metadata 有权
公开(公告)号：US10108362B2
公开(公告)日：2018-10-23
申请号：US14869844
申请日：2015-09-29
申请人： International Business Machines Corporation
发明人： Ellen J. Grusy , Kurt A. Lovrien , Karl A. Nielsen , Jacob L. Sheppard
IPC分类号： G06F15/177 , G06F3/06
摘要： A director node of a plurality of nodes determines a plurality of data arrays, where the plurality of data arrays have been discovered at boot time. The director node determines global metadata information, based on reading boot sectors of at least one of the plurality of data arrays discovered at boot time. A determination is made from the global metadata information as to how many data arrays had been previously configured. In response to determining that the plurality of data arrays discovered at boot time is not equal in number to the previously configured data arrays, the director node determines that all configured data arrays have not been discovered.

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