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1. 发明授权

US07925796B1 Methods, systems, and computer program products for performing an input/output (I/O) operation that includes a virtual drain 有权
标题翻译：用于执行包括虚拟输出的输入/输出（I / O）操作的方法，系统和计算机程序产品
公开(公告)号：US07925796B1
公开(公告)日：2011-04-12
申请号：US11799847
申请日：2007-05-03
申请人： C. Christopher Bailey , Michael L. Burriss , Alan L. Taylor , Miles Aram de Forest , Dennis Duprey
发明人： C. Christopher Bailey , Michael L. Burriss , Alan L. Taylor , Miles Aram de Forest , Dennis Duprey
IPC分类号： G06F13/14
CPC分类号： G06F3/0659 , G06F3/061 , G06F3/0676 , G06F11/1446 , G06F2201/82
摘要： Methods, systems, and computer program products for performing an input/output (I/O) operation that includes a virtual drain. According to one aspect, the subject matter described herein includes a method for performing an input/output operation that includes a virtual drain. The method includes receiving a request to perform a consistent operation involving a storage entity, and in response to receiving the request: arresting write requests to the storage entity; performing a virtual drain, where performing a virtual drain includes identifying, and indicating as deferred, pending writes to the storage entity; performing the consistent operation; releasing write requests to the storage entity; and processing each deferred write using information that is associated with the write and that describes the context in which the write request was accepted.
摘要翻译：用于执行包括虚拟输出的输入/输出（I / O）操作的方法，系统和计算机程序产品。根据一个方面，本文所述的主题包括用于执行包括虚拟排水管的输入/输出操作的方法。所述方法包括接收执行涉及存储实体的一致操作的请求，并响应于接收到所述请求：将所述写请求阻止到所述存储实体; 执行虚拟排水，其中执行虚拟排水包括识别并指示为延迟的对存储实体的待决写入; 执行一致的操作; 向存储实体发布写入请求; 并且使用与写入相关联的信息来处理每个延迟写入，并描述接受写入请求的上下文。

2. 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。

3. 发明授权

US07219260B1 Fault tolerant system shared system resource with state machine logging 有权
标题翻译：容错系统共享系统资源与状态机日志记录
公开(公告)号：US07219260B1
公开(公告)日：2007-05-15
申请号：US09579670
申请日：2000-05-26
申请人： Miles Aram de Forest , Earle Trounson MacHardy, Jr.
发明人： Miles Aram de Forest , Earle Trounson MacHardy, Jr.
IPC分类号： G06F11/00
CPC分类号： G06F11/1474 , G06F11/1471 , G06F11/2056
摘要： A system and method for logging and restoring the state of execution of resource transactions in a shared system resource by logging and restoration of state machine information. Each state machine logging mechanism includes a state machine log generator for extracting state machine information and generating and storing a state machine log. The resource may include dual, concurrently operating control/processing subsystems and may include corresponding functionally integral but physically separate state machine log mirroring mechanisms for receiving and restoring mirror copies of the state machine information.
摘要翻译：通过记录和恢复状态机信息来记录和恢复共享系统资源中资源事务的执行状态的系统和方法。每个状态机记录机制包括状态机日志生成器，用于提取状态机信息并生成和存储状态机日志。该资源可以包括双重并发操作的控制/处理子系统，并且可以包括用于接收和恢复状态机信息的镜像副本的相应的功能上整体但物理上分离的状态机日志镜像机制。

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

US08190843B1 Methods, systems, and computer program products for dynamically allocating memory among a plurality of processes 有权
标题翻译：用于在多个进程之间动态分配存储器的方法，系统和计算机程序产品
公开(公告)号：US08190843B1
公开(公告)日：2012-05-29
申请号：US11904360
申请日：2007-09-27
申请人： Miles Aram de Forest , Somnath A. Gulve
发明人： Miles Aram de Forest , Somnath A. Gulve
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F13/28
摘要： Methods, systems, and computer program products for dynamically allocating memory among a plurality of processes are disclosed. According to one aspect, the subject matter described herein includes a method for dynamically allocating memory among multiple processes. The method includes at a memory broker for allocating memory in a computer system among a plurality of processes executing on the computer system and separate from the memory broker, monitoring amounts of stationary memory, discretionary memory, and unallocated memory in the computer system. The memory broker receives a request for allocating discretionary memory to one of the processes, and in response, determines, using an allocation policy, whether to allocate discretionary memory to the one process. In response to determining to allocate the discretionary memory to the one process, the memory broker allocates the discretionary memory to the one process.
摘要翻译：公开了用于在多个处理之间动态分配存储器的方法，系统和计算机程序产品。根据一个方面，本文描述的主题包括用于在多个进程之间动态分配存储器的方法。该方法包括在存储器代理处，用于在计算机系统中分配在计算机系统上执行并与存储器代理分离的多个进程中的存储器，监视计算机系统中的静态存储器，自由存储器和未分配存储器的量。存储器代理接收到将任意存储器分配给其中一个进程的请求，并且作为响应，使用分配策略来确定是否将分配的内存分配给该进程。响应于确定将自由存储器分配给一个进程，存储器代理器向一个进程分配自由存储器。

6. 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。

7. 发明授权

US06578160B1 Fault tolerant, low latency system resource with high level logging of system resource transactions and cross-server mirrored high level logging of system resource transactions 有权
标题翻译：容错，低延迟的系统资源，系统资源事务的高级日志记录和系统资源事务的跨服务器镜像高级日志记录
公开(公告)号：US06578160B1
公开(公告)日：2003-06-10
申请号：US09580539
申请日：2000-05-26
申请人： Earle Trounson MacHardy, Jr. , Miles Aram de Forest
发明人： Earle Trounson MacHardy, Jr. , Miles Aram de Forest
IPC分类号： H02H305
CPC分类号： G06F11/2079 , G06F11/0709 , G06F11/0727 , G06F11/0793 , G06F11/1471 , G06F11/2071 , G06F2201/855 , G06F2201/87
摘要： A high level transaction logging mechanism for use in a shared system resource, such as a file server, and a high level, cross server transaction mirror logging mechanism. A system resource includes first and second blade processors, each including a first processor transforming high level operations into corresponding low level operations and a transaction logging mechanism including a log generator for extracting high level operation information relating to each system resource request and a transaction log for storing the high level operation information. The logging mechanism is responsive to restoration of operation of the system resource for reading the high level operation information from the transaction log and restoring the state of execution of the first processor. Each transaction logging mechanism further includes a transaction log mirroring mechanism residing in the other processor and communicating with the corresponding log generator for receiving and storing mirror copies of the high level system resource operation information relating to each system resource request. Each transaction log mirroring mechanism is responsive to the restoration of operation of the system resource after a failure of system resource operations for reading the high level system resource operation information relating to each system resource request directed to the corresponding processor and restoring the state of execution of the corresponding processor.
摘要翻译：用于共享系统资源（如文件服务器）和高级别跨服务器事务镜像记录机制的高级事务记录机制。系统资源包括第一和第二刀片处理器，每个刀片处理器包括将高级操作转换为对应的低级操作的第一处理器和包括用于提取与每个系统资源请求相关的高级操作信息的日志生成器的事务记录机制，以及用于存储高级操作信息。记录机制响应于恢复系统资源的操作，用于从事务日志读取高级操作信息并恢复第一处理器的执行状态。每个事务记录机制还包括驻留在另一个处理器中的事务日志镜像机制，并与对应的日志生成器进行通信，用于接收和存储与每个系统资源请求有关的高级系统资源操作信息的镜像副本。每个事务日志镜像机制响应系统资源操作失败后对系统资源的恢复操作，以读取与针对相应处理器的每个系统资源请求有关的高级系统资源操作信息，并恢复执行状态相应的处理器。

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