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1. 发明授权

US08769225B2 Optimization of data migration between storage mediums 有权
公开(公告)号：US08769225B2
公开(公告)日：2014-07-01
申请号：US13458872
申请日：2012-04-27
申请人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose, Jr. , Paul A. Jennas, II , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson , David V. Valverde
发明人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose, Jr. , Paul A. Jennas, II , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson , David V. Valverde
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F3/0647 , G06F3/0613 , G06F3/0685
摘要： In one embodiment, pursuant to migrating the data from the first to the second storage medium, the data is allocated to the second storage medium while retaining an allocation of the data in the first storage medium. If the data is migrated from the second storage medium back to the first storage medium, the data is pointed to the allocation of the data in the first storage medium to alleviate data movement from the second storage medium to the first storage medium. If the allocation of the data in the first storage medium is determined to be needed for other data, the allocation of the data in the first storage medium is freed.

2. 发明授权

US08554737B2 Dynamic consistency group formation and systems using the same 失效
标题翻译：动态一致性组的形成和使用相同的系统
公开(公告)号：US08554737B2
公开(公告)日：2013-10-08
申请号：US12892808
申请日：2010-09-28
申请人： Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
发明人： Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
IPC分类号： G06F17/00
CPC分类号： G06F17/30215 , G06F11/2064 , G06F2201/84
摘要： In one embodiment, a system, includes logic for creating a snapshot of first data stored on a source storage system, wherein the snapshot is a logical copy of the first data stored on the source storage system with respect to data content and data structure; logic for copying the snapshot to a target storage system; logic for copying the first data represented by the snapshot from the source storage system to the target storage system; logic for detecting one or more write operations affecting data on the source storage system; logic for detecting one or more collisions affecting the first data on the source storage system, logic for setting a consistency group interval; and logic for altering the consistency group interval to minimise collisions affecting data on the source storage system. Other systems and computer program products for dynamic consistency group formation are also described.
摘要翻译：在一个实施例中，系统包括用于创建存储在源存储系统上的第一数据的快照的逻辑，其中快照是相对于数据内容和数据结构存储在源存储系统上的第一数据的逻辑副本; 将快照复制到目标存储系统的逻辑; 用于将由快照表示的第一数据从源存储系统复制到目标存储系统的逻辑; 用于检测影响源存储系统上的数据的一个或多个写入操作的逻辑; 用于检测影响源存储系统上的第一数据的一个或多个冲突的逻辑，用于设置一致性组间隔的逻辑; 以及用于更改一致性组间隔以最小化影响源存储系统上的数据的冲突的逻辑。还描述了用于动态一致性组形成的其他系统和计算机程序产品。

3. 发明申请

US20120203996A1 DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES 失效
标题翻译：数据移动方法与使用下放存储设备的阵列一起使用
公开(公告)号：US20120203996A1
公开(公告)日：2012-08-09
申请号：US13447434
申请日：2012-04-16
申请人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose , Paul A. Jennas , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
发明人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose , Paul A. Jennas , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
IPC分类号： G06F12/02
CPC分类号： G06F12/00 , G06F12/16
摘要： A method for managing extents in a data storage system includes monitoring usage statistics for an extent residing on one or more powered-up storage devices. In the event the extent has not been accessed for specified period of time (as determined from the usage statistics), the method automatically compresses the extent and migrates the extent to an intermediate repository. Once the amount of data in the intermediate repository reaches a specified level, the method migrates the extent from the intermediate repository to one or more normally powered-down storage devices. If I/O is received for the extent while it resides in the normally powered-down storage devices or the intermediate repository, the method automatically migrates the extent from the normally powered-down storage devices or the intermediate repository to the normally powered-up storage devices. A corresponding apparatus and computer program product are also disclosed.
摘要翻译：用于管理数据存储系统中的盘区的方法包括监视驻留在一个或多个加电存储装置上的盘区的使用统计。如果在指定的时间段内（从使用统计信息确定）没有访问该范围，该方法将自动压缩该范围并将范围迁移到中间存储库。一旦中间存储库中的数据量达到指定的级别，该方法会将程序段从中间存储库迁移到一个或多个正常关闭的存储设备。如果在驻留在通常断电的存储设备或中间存储库中的范围内接收到I / O，则该方法自动将从正常关闭的存储设备或中间存储库迁移到通常供电的存储设备。还公开了相应的装置和计算机程序产品。

4. 发明申请

US20120124308A1 DETERMINING WHETHER TO EXTEND A DRAIN TIME TO COPY DATA BLOCKS FROM A FIRST STORAGE TO A SECOND STORAGE 有权
标题翻译：决定是否延长一次排水时间以将数据块从第一次存储复制到第二个存储
公开(公告)号：US20120124308A1
公开(公告)日：2012-05-17
申请号：US12948652
申请日：2010-11-17
申请人： Theodore T. Harris, JR. , Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
发明人： Theodore T. Harris, JR. , Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/0619 , G06F3/067 , G06F11/2064 , G06F11/2071 , G06F11/3409 , G06F11/3485
摘要： Provided are a computer program product, system, and method for determining whether to extend a drain time to copy data blocks from a first storage to a second storage. A data structure is generated indicating data blocks in the first storage to copy to the second storage. A drain operation is initiated to copy the data blocks indicated in the first storage to the second storage for a drain time period. Write requests to the data blocks indicated in the data structure are queued during the drain time period, wherein the queued write requests are not completed while queued. Metric information based on the writes that occur to data blocks in the first storage are gathered during the drain time period; and in response to expiration of the drain time period, a determination is made from the gathered metric information of whether to continue the drain operation or terminate the drain operation.
摘要翻译：提供了一种用于确定是否扩展排水时间以将数据块从第一存储复制到第二存储的计算机程序产品，系统和方法。产生指示第一存储器中的数据块以复制到第二存储器的数据结构。启动漏极操作以将第一存储器中指示的数据块复制到第二存储器以用于排出时间段。在数据结构中指示的数据块的写入请求在排出时间期间排队，其中排队的写入请求在排队时未完成。在排水期间收集基于在第一存储器中的数据块发生的写入的度量信息; 并且响应于排出时间段的到期，从收集的度量信息中确定是继续排水操作还是终止排水操作。

5. 发明申请

US20120078848A1 METHODS FOR DYNAMIC CONSISTENCY GROUP FORMATION AND SYSTEMS USING THE SAME 失效
标题翻译：用于动态一致性组的形成方法和使用该方法的系统
公开(公告)号：US20120078848A1
公开(公告)日：2012-03-29
申请号：US12892808
申请日：2010-09-28
申请人： Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
发明人： Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
IPC分类号： G06F17/30
CPC分类号： G06F17/30215 , G06F11/2064 , G06F2201/84
摘要： A method for dynamic consistency group formation, in one embodiment, includes creating a snapshot of first data stored on a source storage system with respect to data content and data structure, copying the snapshot to a target storage system, detecting one or more write operations affecting data on the source storage system while copying the first data, detecting one or more collisions affecting the first data on the source storage system, wherein a collision occurs whenever the write operations affect the first data prior to the first data being written, setting a consistency group interval which represents an interval duration between successive snapshot create-and-copy events, and altering the consistency group interval to minimize collisions affecting data on at least one of the storage systems. Other methods, systems, and computer program products for dynamic consistency group formation are also described.
摘要翻译：在一个实施例中，用于动态一致性组形成的方法包括：针对数据内容和数据结构创建存储在源存储系统上的第一数据的快照，将快照复制到目标存储系统，检测影响到的一个或多个写操作源数据存储系统上的数据，同时复制第一数据，检测影响源存储系统上的第一数据的一个或多个冲突，其中每当写入操作影响第一数据被写入之前的第一数据时，发生冲突，组间隔，其表示连续快照创建和复制事件之间的间隔持续时间，以及改变一致性组间隔，以最小化影响至少一个存储系统上的数据的冲突。还描述了用于动态一致性组形成的其他方法，系统和计算机程序产品。

6. 发明授权

US08838920B2 Determining whether to extend a drain time to copy data blocks from a first storage to a second storage 有权
标题翻译：确定是否扩展排水时间以将数据块从第一存储复制到第二存储
公开(公告)号：US08838920B2
公开(公告)日：2014-09-16
申请号：US12948652
申请日：2010-11-17
申请人： Theodore T. Harris, Jr. , Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
发明人： Theodore T. Harris, Jr. , Paul A. Jennas, II , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
IPC分类号： G06F12/16 , G06F12/00 , G06F3/06 , G06F11/34 , G06F11/20
CPC分类号： G06F3/065 , G06F3/0611 , G06F3/0619 , G06F3/067 , G06F11/2064 , G06F11/2071 , G06F11/3409 , G06F11/3485
摘要： Provided are a computer program product, system, and method for determining whether to extend a drain time to copy data blocks from a first storage to a second storage. A data structure is generated indicating data blocks in the first storage to copy to the second storage. A drain operation is initiated to copy the data blocks indicated in the first storage to the second storage for a drain time period. Write requests to the data blocks indicated in the data structure are queued during the drain time period, wherein the queued write requests are not completed while queued. Metric information based on the writes that occur to data blocks in the first storage are gathered during the drain time period; and in response to expiration of the drain time period, a determination is made from the gathered metric information of whether to continue the drain operation or terminate the drain operation.
摘要翻译：提供了一种用于确定是否扩展排水时间以将数据块从第一存储复制到第二存储的计算机程序产品，系统和方法。产生指示第一存储器中的数据块以复制到第二存储器的数据结构。启动漏极操作以将第一存储器中指示的数据块复制到第二存储器以用于排出时间段。在数据结构中指示的数据块的写入请求在排出时间期间排队，其中排队的写入请求在排队时未完成。在排水期间收集基于在第一存储器中的数据块发生的写入的度量信息; 并且响应于排出时间段的到期，从收集的度量信息中确定是继续排水操作还是终止排水操作。

7. 发明授权

US08713244B2 Sub-LUN input/output profiling for SSD devices 失效
标题翻译： SSD设备的Sub-LUN输入/输出分析
公开(公告)号：US08713244B2
公开(公告)日：2014-04-29
申请号：US13463697
申请日：2012-05-03
申请人： Philip M. Doatmas , Paul A. Jennas, II , Larry Juarez , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
发明人： Philip M. Doatmas , Paul A. Jennas, II , Larry Juarez , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0655 , G06F3/0616 , G06F3/064 , G06F3/0688 , G06F12/0246
摘要： A read/write ratio for each of a plurality of data segments classified in a hot category as hot data segments is determined. Each of the plurality of hot data segments is ordered by the read/write ratio in a descending order. Each of a plurality of available SSD devices is ordered by a remaining life expectancy in an ascending order. Those of the plurality of hot data segments are matched with those of the plurality of hot data segments with those of the plurality of available SSD devices such that a hot data segment having a higher read/write ratio is provided to an SSD device having a smaller remaining life expectancy than another hot data segment having a lower read/write ratio.
摘要翻译：确定分类为热类别的多个数据段中的每一个作为热数据段的读/写比。多个热数据段中的每一个按读/写比按降序排列。多个可用SSD设备中的每一个以升序排列剩余寿命。多个热数据段中的数据段与多个热数据段中的那些数据段与多个可用SSD设备中的热数据段的那些匹配，使得具有较高读/写比的热数据段被提供给具有较小的剩余寿命比具有较低读/写比的另一个热数据段。

8. 发明申请

US20120221822A1 OPTIMIZATION OF DATA MIGRATION BETWEEN STORAGE MEDIUMS 有权
标题翻译：存储介质之间的数据迁移优化
公开(公告)号：US20120221822A1
公开(公告)日：2012-08-30
申请号：US13458872
申请日：2012-04-27
申请人： Dale H. ANDERSON , Philip M. DOATMAS , Michael R. GROSECLOSE, JR. , Paul A. JENNAS, II , Larry JUAREZ , Brian S. McCAIN , David MONTGOMERY , Jason L. PEIPELMAN , Joshua M. RHOADES , Todd C. SORENSON , David V. VALVERDE
发明人： Dale H. ANDERSON , Philip M. DOATMAS , Michael R. GROSECLOSE, JR. , Paul A. JENNAS, II , Larry JUAREZ , Brian S. McCAIN , David MONTGOMERY , Jason L. PEIPELMAN , Joshua M. RHOADES , Todd C. SORENSON , David V. VALVERDE
IPC分类号： G06F12/02
CPC分类号： G06F3/0647 , G06F3/0613 , G06F3/0685
摘要： In one embodiment, pursuant to migrating the data from the first to the second storage medium, the data is allocated to the second storage medium while retaining an allocation of the data in the first storage medium. If the data is migrated from the second storage medium back to the first storage medium, the data is pointed to the allocation of the data in the first storage medium to alleviate data movement from the second storage medium to the first storage medium. If the allocation of the data in the first storage medium is determined to be needed for other data, the allocation of the data in the first storage medium is freed.
摘要翻译：在一个实施例中，根据将数据从第一存储介质迁移到第二存储介质，数据被分配给第二存储介质，同时保留数据在第一存储介质中的分配。如果数据从第二存储介质迁移回到第一存储介质，则数据被指向在第一存储介质中的数据分配，以缓解从第二存储介质到第一存储介质的数据移动。如果确定第一存储介质中的数据的分配对于其他数据是需要的，则释放第一存储介质中的数据的分配。

9. 发明申请

US20120185433A1 PRIORITY-BASED ASYNCHRONOUS DATA REPLICATION 审中-公开
标题翻译：基于优先级的异步数据复制
公开(公告)号：US20120185433A1
公开(公告)日：2012-07-19
申请号：US13007406
申请日：2011-01-14
申请人： Theodore T. Harris, JR. , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
发明人： Theodore T. Harris, JR. , Jason L. Peipelman , Joshua M. Rhoades , Matthew J. Ward
IPC分类号： G06F17/30
CPC分类号： G06F11/2074 , G06F11/2066
摘要： A priority-based method for replicating data is disclosed herein. In one embodiment, such a method includes providing a primary storage device and a secondary storage device. Multiple storage areas (e.g., volumes, groups of volumes, etc.) are designated for replication from the primary storage device to the secondary storage device. A priority level is assigned to each of the storage areas. Using these priority levels, the method replicates the storage areas from the primary storage device to the secondary storage device in accordance with their assigned priority levels. Higher priority storage areas are replicated prior to lower priority storage areas. A corresponding computer program product and system are also disclosed herein.
摘要翻译：本文公开了一种用于复制数据的基于优先级的方法。在一个实施例中，这种方法包括提供主存储设备和辅助存储设备。多个存储区域（例如，卷，卷组等）被指定用于从主存储设备到辅助存储设备的复制。优先级分配给每个存储区域。使用这些优先级，该方法根据其分配的优先级级别将存储区域从主存储设备复制到辅助存储设备。较低优先级的存储区域在较低优先级存储区域之前被复制。本文还公开了相应的计算机程序产品和系统。

10. 发明申请

US20110191558A1 DATA MIGRATION METHODOLOGY FOR USE WITH ARRAYS OF POWERED-DOWN STORAGE DEVICES 失效
标题翻译：数据移动方法与使用下放存储设备的阵列一起使用
公开(公告)号：US20110191558A1
公开(公告)日：2011-08-04
申请号：US12698557
申请日：2010-02-02
申请人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose , Paul A. Jennas , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
发明人： Dale H. Anderson , Philip M. Doatmas , Michael R. Groseclose , Paul A. Jennas , Larry Juarez , Brian S. McCain , David Montgomery , Jason L. Peipelman , Joshua M. Rhoades , Todd C. Sorenson
IPC分类号： G06F12/16 , G06F12/00
CPC分类号： G06F12/00 , G06F12/16
摘要： A method for managing extents in a data storage system includes monitoring usage statistics for an extent residing on one or more powered-up storage devices. In the event the extent has not been accessed for specified period of time (as determined from the usage statistics), the method automatically compresses the extent and migrates the extent to an intermediate repository. Once the amount of data in the intermediate repository reaches a specified level, the method migrates the extent from the intermediate repository to one or more normally powered-down storage devices. If I/O is received for the extent while it resides in the normally powered-down storage devices or the intermediate repository, the method automatically migrates the extent from the normally powered-down storage devices or the intermediate repository to the normally powered-up storage devices. A corresponding apparatus and computer program product are also disclosed.
摘要翻译：用于管理数据存储系统中的盘区的方法包括监视驻留在一个或多个加电存储装置上的盘区的使用统计。如果在指定的时间段内（从使用统计信息确定）没有访问该范围，该方法将自动压缩该范围并将范围迁移到中间存储库。一旦中间存储库中的数据量达到指定的级别，该方法会将程序段从中间存储库迁移到一个或多个正常关闭的存储设备。如果在驻留在通常断电的存储设备或中间存储库中的范围内接收到I / O，则该方法自动将从正常关闭的存储设备或中间存储库迁移到通常供电的存储设备。还公开了相应的装置和计算机程序产品。

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