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1. 发明授权

US08479046B1 Systems, methods, and computer readable media for tracking pool storage space reservations 有权
标题翻译：用于跟踪池存储空间预留的系统，方法和计算机可读介质
公开(公告)号：US08479046B1
公开(公告)日：2013-07-02
申请号：US12824966
申请日：2010-06-28
申请人： Charles Christopher Bailey , Miles Aram de Forest , David Haase , Saurabh M. Pathak , Chetan Rameshchandra Vaidya , Paul T. McGrath
发明人： Charles Christopher Bailey , Miles Aram de Forest , David Haase , Saurabh M. Pathak , Chetan Rameshchandra Vaidya , Paul T. McGrath
IPC分类号： G06F11/00
CPC分类号： G06F11/1088
摘要： Systems, methods, and computer readable media for tracking storage pool reservations are disclosed. According to one aspect, the subject matter described herein includes a system for tracking storage pool reservations. The system includes a storage entity having data storage space for storing data, the data storage space being divided into a plurality of slices. The system also includes one or more portions of non-volatile memory, different from the data storage space, for storing slice reservation statistics and information about requests that affect slice reservation statistics, wherein storing information in the portion of non-volatile memory is an atomic operation. The system further includes a control module for receiving a request that affect slice reservation statistics, storing information about the request in the portion of non-volatile memory, performing the request, and updating the slice reservation statistics and clearing the information about the request in the portion of non-volatile memory.
摘要翻译：公开了用于跟踪存储池预留的系统，方法和计算机可读介质。根据一个方面，本文所述的主题包括用于跟踪存储池预留的系统。该系统包括具有用于存储数据的数据存储空间的存储实体，数据存储空间被分成多个片。系统还包括与数据存储空间不同的非易失性存储器的一个或多个部分，用于存储切片预约统计信息和关于影响片段预约统计的请求的信息，其中在非易失性存储器的部分中存储信息是原子操作。该系统还包括一个控制模块，用于接收影响片段预约统计的请求，在非易失性存储器的一部分中存储关于该请求的信息，执行该请求，以及更新片段预约统计信息，并清除关于该请求的信息部分非易失性存储器。

2. 发明授权

US08751740B1 Systems, methods, and computer readable media for performance optimization of storage allocation to virtual logical units 有权
标题翻译：用于对虚拟逻辑单元进行存储分配的性能优化的系统，方法和计算机可读介质
公开(公告)号：US08751740B1
公开(公告)日：2014-06-10
申请号：US12751707
申请日：2010-03-31
申请人： Miles de Forest , Chetan Rameshchandra Vaidya , David Haase , Paul T. McGrath , Robert F. Goudreau, Jr. , Charles Christopher Bailey , Prabu Surendra
发明人： Miles de Forest , Chetan Rameshchandra Vaidya , David Haase , Paul T. McGrath , Robert F. Goudreau, Jr. , Charles Christopher Bailey , Prabu Surendra
IPC分类号： G06F13/00
CPC分类号： G06F3/0631 , G06F3/061 , G06F3/0665 , G06F3/0689
摘要： A system for performance optimization of storage allocation to virtual logical units includes a storage entity having data storage space divided into slices for storing data. A slice allocation table stores slice allocation status. A memory stores statistics regarding the allocation of slices to logical units. A management database stores information regarding the allocation of slices to logical units. An allocation module performs an allocation process in response to receiving an I/O write request. A management module performs scheduled post-I/O management processes asynchronously with allocation processes, including updating the management database to reflect the allocation of the selected slice, and updating the status of the selected slice in the slice allocation table to indicate that the post-I/O management process for the selected slice has been performed.
摘要翻译：用于对虚拟逻辑单元的存储分配的性能优化的系统包括存储实体，其具有被划分为用于存储数据的片段的数据存储空间。片分配表存储片分配状态。存储器存储关于切片分配到逻辑单元的统计数据。管理数据库将关于切片分配的信息存储到逻辑单元。响应于接收到I / O写请求，分配模块执行分配处理。管理模块与分配过程异步地执行预定的后I / O管理过程，包括更新管理数据库以反映所选择的分片的分配，以及更新分片分配表中所选切片的状态，所选切片的I / O管理过程已经执行。

3. 发明授权

US08886909B1 Methods, systems, and computer readable medium for allocating portions of physical storage in a storage array based on current or anticipated utilization of storage array resources 有权
标题翻译：用于基于存储阵列资源的当前或预期利用来分配存储阵列中物理存储的部分的方法，系统和计算机可读介质
公开(公告)号：US08886909B1
公开(公告)日：2014-11-11
申请号：US12100514
申请日：2008-04-10
申请人： Miles Aram De Forest , Charles Christopher Bailey , Michael D. Haynes , David Haase , Jackson Brandon Myers , Dipak Prasad
发明人： Miles Aram De Forest , Charles Christopher Bailey , Michael D. Haynes , David Haase , Jackson Brandon Myers , Dipak Prasad
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F9/46
CPC分类号： G06F13/28 , G06F3/061 , G06F3/0631 , G06F3/0644 , G06F3/0689 , Y02D10/14
摘要： Systems, methods, and computer readable medium for allocating physical storage in a disk array are disclosed. According to one aspect, the subject matter described herein includes a method for allocating portions of storage area of a storage array. The method includes receiving, from a requesting entity, a request for allocation of a portion of storage area of a storage array, the storage array comprising a plurality of storage entities and a plurality of data buses for transferring data to and from the plurality of storage entities, wherein the plurality of storage entities are organized into at least one logical unit, wherein each logical unit is subdivided into at least one slice. In response to receiving the request for allocation, at least one slice is selected for allocation for use by the requesting entity, based on anticipated system resource utilization during access to data to be stored in the storage array.
摘要翻译：公开了用于在磁盘阵列中分配物理存储的系统，方法和计算机可读介质。根据一个方面，本文描述的主题包括用于分配存储阵列的存储区域的部分的方法。该方法包括从请求实体接收对存储阵列的一部分存储区域的分配的请求，所述存储阵列包括多个存储实体和用于向多个存储器传送数据的多个数据总线实体，其中所述多个存储实体被组织成至少一个逻辑单元，其中每个逻辑单元被细分为至少一个片。响应于接收到分配请求，基于访问要存储在存储阵列中的数据的预期系统资源利用率，选择至少一个片段供分配供请求实体使用。

4. 发明授权

US08443163B1 Methods, systems, and computer readable medium for tier-based data storage resource allocation and data relocation in a data storage array 有权
标题翻译：用于数据存储阵列中用于基于层的数据存储资源分配和数据重定位的方法，系统和计算机可读介质
公开(公告)号：US08443163B1
公开(公告)日：2013-05-14
申请号：US12824816
申请日：2010-06-28
申请人： Charles Christopher Bailey , Prabu Surendra , Miles Aram de Forest , David Haase , Samuel Mullis , Dean Herington
发明人： Charles Christopher Bailey , Prabu Surendra , Miles Aram de Forest , David Haase , Samuel Mullis , Dean Herington
IPC分类号： G06F12/00
CPC分类号： G06F3/0605 , G06F3/064 , G06F3/0644 , G06F3/0647 , G06F3/0685
摘要： According to one aspect, the subject matter described herein includes a method for tier-based slice allocation and data relocation in a data storage array. The method is performed at a data storage array including physical data storage capacity being logically divided into one or more logical units (LUs) and each of the one or more LUs being further subdivided into one or more slices, where the data storage array includes a resource pool being divided into a plurality of resource groupings, where each resource grouping includes one or more resources of a common type. The method includes receiving a slice allocation request for allocating a slice from the data storage array, where the slice allocation request includes at least one constraint. In response to receiving the slice allocation request, a slice that honors the at least one constraint is allocated.
摘要翻译：根据一个方面，本文描述的主题包括用于数据存储阵列中的基于层的片分配和数据重定位的方法。该方法在包括物理数据存储容量在逻辑上划分为一个或多个逻辑单元（LU）的数据存储阵列中执行，并且所述一个或多个LU中的每一个进一步细分成一个或多个片，其中数据存储阵列包括资源池被划分为多个资源分组，其中每个资源分组包括一个或多个共同类型的资源。该方法包括从数据存储阵列接收用于分配片的片分配请求，其中片分配请求包括至少一个约束。响应于接收到切片分配请求，分配了尊重至少一个约束的切片。

5. 发明授权

US08443369B1 Method and system for dynamically selecting a best resource from each resource collection based on resources dependencies, prior selections and statistics to implement an allocation policy 有权
标题翻译：基于资源依赖性，先前的选择和统计来动态地从每个资源集合中选择最佳资源以实现分配策略的方法和系统
公开(公告)号：US08443369B1
公开(公告)日：2013-05-14
申请号：US12164959
申请日：2008-06-30
申请人： Charles Christopher Bailey , Miles Aram de Forest , Michael Burriss , David Haase , Dipak Prasad , Brandon Myers
发明人： Charles Christopher Bailey , Miles Aram de Forest , Michael Burriss , David Haase , Dipak Prasad , Brandon Myers
IPC分类号： G06F9/46
CPC分类号： G06F3/0631 , G06F3/0625 , G06F3/0689 , Y02D10/154
摘要： Systems, methods, and computer readable medium for optimizing storage allocations based on system resources are disclosed. According to one aspect, the subject matter described herein includes a method for dynamic, policy-based allocation of system resources. The method includes specifying a plurality of system resource collections for representing sets of like system resources and their dependencies. An order in which the collections are to be evaluated during selection of a resource is also specified. A policy for determining the best resource within each collection is also specified. Statistics about the system resources in the collections are maintained. A request for a resource is received. In response to receiving the request, the collections are evaluated in the specified order. The best resource is selected from each collection based on the dependencies, prior selections, and statistics to implement the policy.
摘要翻译：公开了用于基于系统资源优化存储分配的系统，方法和计算机可读介质。根据一个方面，本文描述的主题包括用于系统资源的基于策略的动态分配的方法。该方法包括指定多个系统资源集合，用于表示相似的系统资源集合及其依赖关系。还指定了在选择资源期间对集合进行评估的顺序。还规定了确定每个集合中最佳资源的策略。维护集合中系统资源的统计信息。收到资源请求。响应收到请求，按指定顺序对集合进行评估。根据依赖关系，先前的选择以及实施策略的统计信息，从每个集合中选择最佳资源。

6. 发明授权

US09292216B1 Calculating an allocation mode for a storage pool based on a policy 有权
标题翻译：基于策略计算存储池的分配模式
公开(公告)号：US09292216B1
公开(公告)日：2016-03-22
申请号：US12889477
申请日：2010-09-24
申请人： Paul T. McGrath , Sheetal A. Desai , Miles A. Deforest , David Haase , Saurabh M. Pathak
发明人： Paul T. McGrath , Sheetal A. Desai , Miles A. Deforest , David Haase , Saurabh M. Pathak
IPC分类号： G06F3/06 , G06F9/50
CPC分类号： G06F3/0631 , G06F3/0604 , G06F3/0689 , G06F9/5011 , G06F9/5016
摘要： An embodiment of a computer-implemented method for use in managing allocation of a storage pool in a data storage system by calculating an allocation mode for the storage pool based on a policy is described. Also described are embodiments of a system and computer program product enabled for carrying out such computer-implemented allocation management.
摘要翻译：描述了通过基于策略计算存储池的分配模式来用于管理数据存储系统中的存储池的分配的计算机实现的方法的实施例。还描述了能够执行这种计算机实现的分配管理的系统和计算机程序产品的实施例。

7. 发明授权

US07627873B1 System and method for handling device objects in a data storage environment for maintaining consistency during data replication 有权
标题翻译：用于在数据存储环境中处理设备对象以在数据复制期间保持一致性的系统和方法
公开(公告)号：US07627873B1
公开(公告)日：2009-12-01
申请号：US11324461
申请日：2006-01-03
申请人： Saurabh M. Pathak , David Haase , Michael D. Haynes , Somnath A. Gulve , Dennis Duprey
发明人： Saurabh M. Pathak , David Haase , Michael D. Haynes , Somnath A. Gulve , Dennis Duprey
IPC分类号： G06F9/54 , G06F12/00
CPC分类号： G06F9/545 , G06F2209/542
摘要： A system and method related to maintaining consistency of replicated data in a data storage environment. The system handles Input/Output (IO)-Requests in a data storage environment having a server and production data stored on a data storage volume on a data storage system. A copy of the production data is stored on another data storage volume of a second data storage system, wherein IO-Requests to update production data are handled so that the data copy is consistent with the production data after processing the IO-Request.
摘要翻译：与在数据存储环境中维护复制数据一致性相关的系统和方法。该系统处理具有存储在数据存储系统上的数据存储卷上的服务器和生产数据的数据存储环境中的输入/输出（IO）-Request。生产数据的副本存储在第二数据存储系统的另一数据存储卷上，其中处理IO请求以更新生产数据，使得数据副本在处理IO请求之后与生产数据一致。

8. 发明授权

US07529887B1 Methods, systems, and computer program products for postponing bitmap transfers and eliminating configuration information transfers during trespass operations in a disk array environment 有权
标题翻译：方法，系统和计算机程序产品，用于在磁盘阵列环境中进行位图传输和删除配置信息传输
公开(公告)号：US07529887B1
公开(公告)日：2009-05-05
申请号：US11393638
申请日：2006-03-30
申请人： David Haase , Somnath A. Gulve , Saurabh M. Pathak , Michael D. Haynes
发明人： David Haase , Somnath A. Gulve , Saurabh M. Pathak , Michael D. Haynes
IPC分类号： G06F12/00
CPC分类号： G06F11/1076 , G06F11/1662 , G06F11/2094 , G06F11/2097 , G06F2211/1035
摘要： Methods, systems, and computer program products for postponing bitmap transfers and eliminating configuration information transfers during trespass operations in a disk array environment are disclosed. According to one method, a clone group is stored on a disk array, the clone group including a logical unit (LUN) representing a storage partition on the disk array and a clone of the LUN, the clone being a copy of the data referenced by the LUN. The clone group is associated with a first storage processor (SP) for writing data to the disk array. Changes between the LUN and the clone are tracked by maintaining a data structure indicative of the changes in a memory associated with the first SP. The association of the clone group is changed to a second SP for writing data to the disk array without transferring the data structure to memory associated with the second SP.
摘要翻译：公开了用于在磁盘阵列环境中的入侵操作期间推迟位图传送和消除配置信息传输的方法，系统和计算机程序产品。根据一种方法，将克隆组存储在磁盘阵列上，克隆组包括表示磁盘阵列上的存储分区的逻辑单元（LUN）和LUN的克隆，该克隆是由该LUN。克隆组与用于将数据写入磁盘阵列的第一存储处理器（SP）相关联。通过维护指示与第一SP相关联的存储器中的改变的数据结构来跟踪LUN和克隆之间的变化。将克隆组的关联改变为用于将数据写入磁盘阵列的第二SP，而不将数据结构传送到与第二SP相关联的存储器。

9. 发明授权

US09256598B1 Systems, methods, and computer readable media for copy-on-demand optimization for large writes 有权
标题翻译：用于大型写入的按需优化的系统，方法和计算机可读介质
公开(公告)号：US09256598B1
公开(公告)日：2016-02-09
申请号：US12544046
申请日：2009-08-19
申请人： James M. Holt , Robert K. Dewitt , David Haase , Somnath A. Gulye , Saurabh M. Pathak
发明人： James M. Holt , Robert K. Dewitt , David Haase , Somnath A. Gulye , Saurabh M. Pathak
IPC分类号： G06F17/30 , G06F11/00
CPC分类号： G06F17/30 , G06F11/00 , G06F11/1076 , G06F17/30578
摘要： Methods, systems, and computer readable media for copy-on-demand optimization for large writes are disclosed. According to one aspect, a method for copy on demand optimization for large writes includes, in a system having a source data storage entity and a destination data storage entity, receiving a write request to write data to a target portion of the source data storage entity, the target portion of the source data storage entity comprising at least one data storage block. The method includes determining whether the source data storage entity and the destination data storage entity are engaged in a backup operation in which data sufficient to synchronize the source data storage entity to the destination data storage entity is copied from the destination data storage entity to the source data storage entity, and if so, determining whether the target portion of the source data storage entity is not yet synchronized to the destination data storage entity. If the target portion of the source data storage entity is not yet synchronized to the destination data storage entity, a copy-on-demand operation is performed to synchronize the target portion of the source data storage entity to the destination data storage entity, where each data storage block within the target portion of the source data storage entity that will be completely overwritten as a result of the write request is not synchronized to the destination data storage entity. The write request to write data to the target portion of the source data storage entity is then processed.
摘要翻译：公开了用于大写入的用于复制按需优化的方法，系统和计算机可读介质。根据一个方面，一种用于大写入的点播优化的方法包括：在具有源数据存储实体和目的地数据存储实体的系统中，接收写请求以将数据写入源数据存储实体的目标部分源数据存储实体的目标部分包括至少一个数据存储块。该方法包括确定源数据存储实体和目的地数据存储实体是否参与备份操作，其中足够将源数据存储实体同步到目的地数据存储实体的数据从目的地数据存储实体复制到源数据存储实体，如果是，则确定源数据存储实体的目标部分是否还没有同步到目的地数据存储实体。如果源数据存储实体的目标部分尚未同步到目的地数据存储实体，则执行按需拷贝操作以将源数据存储实体的目标部分同步到目的地数据存储实体，其中每个源数据存储实体的目标部分内的作为写入请求的结果将被完全覆盖的数据存储块不与目标数据存储实体同步。然后处理将数据写入源数据存储实体的目标部分的写入请求。

10. 发明授权

US08818936B1 Methods, systems, and computer program products for processing read requests received during a protected restore operation 有权
标题翻译：用于处理在受保护的还原操作期间接收的读取请求的方法，系统和计算机程序产品
公开(公告)号：US08818936B1
公开(公告)日：2014-08-26
申请号：US11823986
申请日：2007-06-29
申请人： David Haase , Somnath A. Gulve , Saurabh M. Pathak
发明人： David Haase , Somnath A. Gulve , Saurabh M. Pathak
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30115 , G06F11/2069 , G06F11/2071 , G06F11/2082
摘要： According to one aspect, the subject matter described herein includes a method for processing read requests received during a restore operation, where a protected restore operation includes copying at least a portion of the data content of the clone to its source. The method includes receiving a read request to read data from a source during a protected restore operation. It is determined whether to redirect the read request to the clone, and in response to determining to redirect the read request to the clone, the read request is redirected to read data from the clone.
摘要翻译：根据一个方面，本文描述的主题包括用于处理在恢复操作期间接收的读取请求的方法，其中受保护的恢复操作包括将克隆的数据内容的至少一部分复制到其源。该方法包括在受保护的恢复操作期间接收从源读取数据的读取请求。确定是否将读取请求重定向到克隆，并且响应于确定将读取请求重定向到克隆，读取请求被重定向以从克隆读取数据。

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