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1. 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。

2. 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。

3. 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。

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

US08296530B1 Methods, systems, and computer readable media for optimizing the number of client write requests to virtually provisioned logical units of a physical data storage array 有权
标题翻译：方法，系统和计算机可读介质，用于优化对物理数据存储阵列的虚拟供应的逻辑单元的客户机写入请求的数量
公开(公告)号：US08296530B1
公开(公告)日：2012-10-23
申请号：US12165032
申请日：2008-06-30
申请人： Dipak Prasad , Sriram Nagasubramanian , Carson Jeffrey Barker , David W. Harvey , Miles de Forest , Charles Christopher Bailey
发明人： Dipak Prasad , Sriram Nagasubramanian , Carson Jeffrey Barker , David W. Harvey , Miles de Forest , Charles Christopher Bailey
IPC分类号： G06F12/00
CPC分类号： G06F3/0605 , G06F3/0665 , G06F3/0689
摘要： According to one aspect, the subject matter described herein includes a method for optimizing the number of data writes to virtually provisioned logical units of a physical data storage array. The method is performed at a virtual provisioning layer associated with a physical storage array and includes receiving, from a client, a first write request for writing data to a first portion of a first data block of a virtually provisioned logical unit (VLUN) of the physical data storage array, wherein the size of the first portion is less than the size of the first data block. In response to receiving the first write request, a combined write request is generated from the virtual provisioning layer, where the combined write request is for writing the first portion of the data from the received write request and a second portion of fill data such that a size of the first portion and the second portion is equal to a size of the first data block. The second write request is then forwarded to the physical layer associated with the data storage array.
摘要翻译：根据一个方面，本文描述的主题包括用于优化对物理数据存储阵列的虚拟供应的逻辑单元的数据写入数量的方法。该方法在与物理存储阵列相关联的虚拟供应层处执行，并且包括从客户端接收用于将数据写入到虚拟供应逻辑单元（VLUN）的第一数据块的第一部分的第一写入请求物理数据存储阵列，其中第一部分的大小小于第一数据块的大小。响应于接收到第一写请求，从虚拟供应层生成组合写请求，其中组合写请求用于从接收的写请求写入数据的第一部分，以及填充数据的第二部分，第一部分和第二部分的大小等于第一数据块的大小。然后将第二写入请求转发到与数据存储阵列相关联的物理层。

6. 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。

7. 发明授权

US07206961B1 Preserving snapshots during disk-based restore 有权
标题翻译：在基于磁盘的还原期间保存快照
公开(公告)号：US07206961B1
公开(公告)日：2007-04-17
申请号：US10261168
申请日：2002-09-30
申请人： Madhav Mutalik , Dennis Thomas Duprey , Robert F. Goudreau, Jr. , Charles Christopher Bailey
发明人： Madhav Mutalik , Dennis Thomas Duprey , Robert F. Goudreau, Jr. , Charles Christopher Bailey
IPC分类号： G06F11/00 , G06F11/08
CPC分类号： G06F11/1469 , G06F2201/84 , Y10S707/99953
摘要： The present invention provides a method for providing snapshots of data at different times and for performing rollbacks to a selected snapshot that does not result in any subsequent snapshots being rendered unusable. The method includes a mapping mechanism wherein when a map entry for a block being written to for the first time during a session exists, then another map entry is created and all later sessions are applied to it. When a map entry for the block does not exist, a new map entry is provided and all prior sessions are applied to it.
摘要翻译：本发明提供了一种用于在不同时间提供数据的快照并且用于对所选快照执行回滚的方法，所述快照不会导致任何后续的快照被使得不可用。该方法包括映射机制，其中当存在在会话期间第一次被写入的块的映射条目时，创建另一个映射条目，并将所有后续的会话应用于其。当块的映射条目不存在时，将提供一个新的映射条目，并将所有先前的会话应用于该条目。

8. 发明授权

US08645654B1 Selecting physical storage in data storage systems 有权
标题翻译：选择数据存储系统中的物理存储
公开(公告)号：US08645654B1
公开(公告)日：2014-02-04
申请号：US13172517
申请日：2011-06-29
申请人： Charles Christopher Bailey , Dayanand Suldhal
发明人： Charles Christopher Bailey , Dayanand Suldhal
IPC分类号： G06F12/00
CPC分类号： G06F3/0644 , G06F3/0605 , G06F3/061 , G06F3/0619 , G06F3/0647 , G06F3/0665 , G06F3/0689 , G06F12/023
摘要： A method is used in selecting physical storage in data storage systems. A request for allocation of a portion of storage area of a data storage system is received from a requesting entity. The data storage system is comprised of a set of storage entities and a set of data buses for transferring data to and from the set of storage entities. The set of storage entities are organized into a set of logical units. Each logical unit of the set of logical units is subdivided into a set of slices. A slice is selected from a logical unit of the set of logical units for allocation for use by the requesting entity in response to receiving the request for allocation. The selection is based on an optimum value indicating physical location of the logical unit within the set of storage entities during access to data to be stored in the data storage system.
摘要翻译：一种方法用于选择数据存储系统中的物理存储。从请求实体接收到对数据存储系统的一部分存储区域的分配的请求。数据存储系统由一组存储实体和一组数据总线组成，用于向存储实体集合传送数据。该组存储实体被组织成一组逻辑单元。该组逻辑单元的每个逻辑单元被细分成一组片。从该组逻辑单元的逻辑单元中选择一个片段，以供分配请求实体响应于接收分配请求而使用。选择是基于指示存储在数据存储系统中的数据访问期间的存储实体集合内的逻辑单元的物理位置的最佳值。

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