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1. 发明申请

WO2012076362A1 MANAGING CACHE DESTAGE SCAN TIMES 审中-公开
标题翻译：管理高速缓存扫描时间
公开(公告)号：WO2012076362A1
公开(公告)日：2012-06-14
申请号：PCT/EP2011/071263
申请日：2011-11-29
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , BENHASE, Michael, Thomas , BEARDSLEY, Brent, Cameron , WILLIAMS, Sonny, Earl , GUPTA, Lokesh, Mohan
发明人： BENHASE, Michael, Thomas , BEARDSLEY, Brent, Cameron , WILLIAMS, Sonny, Earl , GUPTA, Lokesh, Mohan
IPC分类号： G06F12/08
CPC分类号： G06F12/0804 , G06F12/0859 , G06F12/0866
摘要： Systems and methods for managing destage scan times in a cache are provided. One system includes a cache and a processor. The processor is configured to utilize a first thread to continually determine a desired scan time for scanning the plurality of storage tracks in the cache and utilize a second thread to continually control an actual scan time of the plurality of storage tracks in the cache based on the continually determined desired scan time. One method includes utilizing a first thread to continually determine a desired scan time for scanning the plurality of storage tracks in the cache and utilizing a second thread to continually control an actual scan time of the plurality of storage tracks in the cache based on the continually determined desired scan time. Physical computer storage mediums including a computer program product for performing the above method are also provided.
摘要翻译：提供了用于在缓存中管理目的地扫描时间的系统和方法。一个系统包括缓存和处理器。处理器被配置为利用第一线程来连续地确定用于扫描高速缓存中的多个存储轨道的期望的扫描时间，并且利用第二线程基于所述缓存器来连续地控制多个存储轨道的实际扫描时间持续确定所需的扫描时间。一种方法包括利用第一线程来连续地确定用于扫描高速缓存中的多个存储轨道的期望的扫描时间，并且利用第二线程基于连续地确定的高速缓存中的多个存储轨道的实际扫描时间所需的扫描时间。还提供了包括用于执行上述方法的计算机程序产品的物理计算机存储介质。

2. 发明申请

WO2012041601A1 INTELLIGENT WRITE CACHING FOR SEQUENTIAL TRACKS 审中-公开
标题翻译：用于顺序跟踪的智能写入缓存
公开(公告)号：WO2012041601A1
公开(公告)日：2012-04-05
申请号：PCT/EP2011/064243
申请日：2011-08-18
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , BEARDSLEY, Brent, Cameron , GUPTA, Lokesh, Mohan , HYDE II, Joseph, Smith , BENHASE, Michael, Thomas , WILLIAMS, Sonny, Earl
发明人： BEARDSLEY, Brent, Cameron , GUPTA, Lokesh, Mohan , HYDE II, Joseph, Smith , BENHASE, Michael, Thomas , WILLIAMS, Sonny, Earl
IPC分类号： G06F12/12 , G06F12/08 , G06F3/06
CPC分类号： G06F12/126 , G06F12/0804 , G06F12/0868
摘要： In a computing storage environment for destaging data from nonvolatile storage (NVS) to a storage unit, write caching for sequential tracks by a processor device is provided. When a first track is determined to be sequential, and an earlier track is also determined to be sequential, a temporal bit associated with the earlier track is cleared to allow for destage of data of the earlier track. If a temporal bit for one of a plurality of additional tracks in one of a plurality of strides in a modified cache is determined to be not set, a stride associated with the one of the plurality of additional tracks is selected for a destage operation. If the NVS exceeds a predetermined storage threshold, a predetermined one of the plurality of strides is selected for the destage operation.
摘要翻译：在用于将数据从非易失性存储（NVS）降级到存储单元的计算存储环境中，提供了由处理器设备对顺序轨道的写缓存。当确定第一轨道是顺序的，并且较早的轨道也被确定为顺序时，与较早轨道相关联的时间位被清除以允许对先前轨道的数据进行排水。如果确定修改的高速缓存中的多个步幅之一中的多个附加轨道之一的时间位未被设置，则选择与所述多个附加轨道中的一个相关联的步幅用于码头操作。如果NVS超过预定的存储阈值，则选择多个步骤中的预定的一个步骤用于排水操作。

3. 发明申请

WO2008084007A1 USING VIRTUAL COPIES IN A FAILOVER AND FAILBACK ENVIRONMENT 审中-公开
标题翻译：在虚拟机和故障环境中使用虚拟副本
公开(公告)号：WO2008084007A1
公开(公告)日：2008-07-17
申请号：PCT/EP2008/050032
申请日：2008-01-03
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , BEARDSLEY, Brent, Cameron , BARTFAI, Robert, Francis , MCBRIDE, Gregory, Edward
发明人： BEARDSLEY, Brent, Cameron , BARTFAI, Robert, Francis , MCBRIDE, Gregory, Edward
IPC分类号： G06F11/20
CPC分类号： G06F11/2082 , G06F11/2069 , G06F11/2071
摘要： In a method for using virtual copies in a failover and failback environment,updates are copied from a primary first storage at the primary site to a secondary first storage at the secondarysite during system operations. A second storage is maintained at at least one of the primary and secondary sites. A failover is performed from the primary site to the secondarysite after a failure at the primary site. The at least one second storage is used after recoveryofthe primarysite to synchronize the secondarysite to the primarysite. Only updates made to the secondary site during the failover are copied to or from the at least one second storage in response to the recovery at the primary site.
摘要翻译：在故障切换和故障恢复环境中使用虚拟副本的方法中，系统操作期间将更新从主站点的主第一个存储复制到辅助站点的辅助第一个存储。第二存储器保持在主站点和次站点中的至少一个。在主站点发生故障后，将从主站点到次站点执行故障转移。在主站点恢复之后使用至少一个第二存储器以将次站点同步到主站点。只有在故障切换期间对次要站点进行的更新才会复制到或从至少一个第二个存储器中，以响应主站点的恢复。

4. 发明申请

WO2007113043A1 USE OF VOLUME CONTAINERS IN REPLICATION AND PROVISIONING MANAGEMENT 审中-公开
标题翻译：使用容器在复制和提供管理中的应用
公开(公告)号：WO2007113043A1
公开(公告)日：2007-10-11
申请号：PCT/EP2007/051521
申请日：2007-02-16
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , BEARDSLEY, Brent, Cameron , LE, Cuong, Minh
发明人： BEARDSLEY, Brent, Cameron , LE, Cuong, Minh
IPC分类号： G06F11/20
CPC分类号： G06F11/2069 , G06F11/2079
摘要： Provided are techniques for copying data. A volume container copyset that includes volume containers is received. A volume container copyset that includes volume containers is received. Each of the volume containers is associated with a copyset role, and each of the volume containers includes zero or more volumes, wherein each of the volumes in a volume container has the copyset role of that volume container. Sets of volumes are associated with a replication session, wherein each of the sets of volumes has one volume from each of the volume containers. Each of the sets of volumes has volumes associated with a copyset role that is associated with the volume containers with which each volume is associated. In response to determining that one of, membership of and a size of a volume in, one of the volume containers has been modified, one or more corresponding volume containers in the volume container copyset are automatically modified.
摘要翻译：提供了复制数据的技术。收到包含容积容器的容器容器。收到包含容积容器的容器容器。每个卷容器都与复制副本角色相关联，并且每个卷容器都包含零个或多个卷，其中卷容器中的每个卷都具有该卷容器的副本角色。卷的集合与复制会话相关联，其中每组卷具有来自每个卷容器的一个卷。卷集中的每一组具有与与每个卷相关联的卷容器相关联的副本角色相关联的卷。响应于确定其中一个卷容器中的其中一个卷的成员资格和卷的大小已经被修改，卷容器copyset中的一个或多个对应的卷容器将被自动修改。

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