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1. 发明授权

US09075710B2 Non-volatile key-value store 有权
标题翻译：非易失性键值存储
公开(公告)号：US09075710B2
公开(公告)日：2015-07-07
申请号：US13590107
申请日：2012-08-20
申请人： Nisha Talagala , Swaminathan Sundararaman , Bharath Ramsundar , Ashish Batwara
发明人： Nisha Talagala , Swaminathan Sundararaman , Bharath Ramsundar , Ashish Batwara
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7201
摘要： Apparatuses, systems, and methods are disclosed for a key-value store. A method includes encoding a key of a key-value pair into a logical address of a sparse logical address space for a non-volatile medium. A method includes mapping a logical address to a physical location in the non-volatile medium. A method includes storing a value of a key-value pair at a physical location.
摘要翻译：公开了用于键值存储的装置，系统和方法。一种方法包括将密钥值对的密钥编码为用于非易失性介质的稀疏逻辑地址空间的逻辑地址。一种方法包括将逻辑地址映射到非易失性介质中的物理位置。一种方法包括在物理位置存储键值对的值。

2. 发明授权

US08510597B2 Providing restartable file systems within computing devices 有权
标题翻译：在计算设备内提供可重新启动的文件系统
公开(公告)号：US08510597B2
公开(公告)日：2013-08-13
申请号：US13023354
申请日：2011-02-08
申请人： Michael M. Swift , Andrea C. Arpaci-Dusseau , Remzi H. Arpaci-Dusseau , Swaminathan Sundararaman , Sriram Subramanian , Abhishek Rajimwale
发明人： Michael M. Swift , Andrea C. Arpaci-Dusseau , Remzi H. Arpaci-Dusseau , Swaminathan Sundararaman , Sriram Subramanian , Abhishek Rajimwale
IPC分类号： G06F11/00
CPC分类号： G06F11/1435
摘要： In general, techniques are described for enabling a restartable file system. A computing device comprising a processor that executes an operating system may implement the techniques. The processor executes kernel and file system functions of the operating system to perform an operation, where both types of functions call each other to perform the operation. The operating system stores data identifying those of the kernel functions that called the file system functions. In response to determining that one of the file system functions that was called has failed, the operating system accesses the data to identify one of the kernel functions that most recently called one of the file system functions, and returns control to the identified one of the kernel functions without executing any of the file system functions called after the identified one of the kernel functions and prior to the one of the file system functions that failed.
摘要翻译：一般来说，描述了启用可重新启动的文件系统的技术。包括执行操作系统的处理器的计算设备可以实现这些技术。处理器执行操作系统的内核和文件系统功能以执行操作，其中两种类型的功能彼此相互调用以执行操作。操作系统存储标识称为文件系统功能的内核功能的数据。响应于确定被调用的文件系统功能之一失败，操作系统访问数据以识别最近称为文件系统功能之一的内核功能之一，并且将控制权返回到所识别的一个内核函数，而不执行在确定的一个内核函数之后，在失败的文件系统函数之前调用的任何文件系统函数。

3. 发明申请

US20130185508A1 SYSTEMS AND METHODS FOR MANAGING CACHE ADMISSION 有权
标题翻译：用于管理高速缓存接入的系统和方法
公开(公告)号：US20130185508A1
公开(公告)日：2013-07-18
申请号：US13349417
申请日：2012-01-12
申请人： Nisha Talagala , Swaminathan Sundararaman
发明人： Nisha Talagala , Swaminathan Sundararaman
IPC分类号： G06F12/08
CPC分类号： G06F12/0871 , G06F12/0888
摘要： A cache layer leverages a logical address space and storage metadata of a storage layer (e.g., virtual storage layer) to cache data of a backing store. The cache layer maintains access metadata to track data characteristics of logical identifiers in the logical address space, including accesses pertaining to data that is not in the cache. The access metadata may be separate and distinct from the storage metadata maintained by the storage layer. The cache layer determines whether to admit data into the cache using the access metadata. Data may be admitted into the cache when the data satisfies cache admission criteria, which may include an access threshold and/or a sequentiality metric. Time-ordered history of the access metadata is used to identify important/useful blocks in the logical address space of the backing store that would be beneficial to cache.
摘要翻译：缓存层利用存储层（例如，虚拟存储层）的逻辑地址空间和存储元数据来缓存后备存储的数据。高速缓存层维护访问元数据以跟踪逻辑地址空间中的逻辑标识符的数据特征，包括与不在高速缓存中的数据相关的访问。访问元数据可以与由存储层维护的存储元数据分开且不同。高速缓存层确定是否使用访问元数据将数据准入缓存。当数据满足高速缓存准入标准时，数据可以被允许进入高速缓存，其可以包括访问阈值和/或顺序度量。访问元数据的时间顺序历史用于识别后备存储的逻辑地址空间中有用的缓存的重要/有用的块。

4. 发明申请

US20130185488A1 SYSTEMS AND METHODS FOR COOPERATIVE CACHE MANAGEMENT 审中-公开
标题翻译：合作高速公路管理系统与方法
公开(公告)号：US20130185488A1
公开(公告)日：2013-07-18
申请号：US13774881
申请日：2013-02-22
申请人： Nisha Talagala , Swaminathan Sundararaman
发明人： Nisha Talagala , Swaminathan Sundararaman
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F12/0866 , G06F12/121 , G06F2212/502
摘要： A cache module leverages storage metadata to cache data of a backing store on a non-volatile storage device. The cache module maintains access metadata pertaining to access characteristics of logical identifiers in the logical address space, including access characteristics of un-cached logical identifiers (e.g., logical identifiers associated with data that is not stored on the non-volatile storage device). The access metadata may be separate and/or distinct from the storage metadata. The cache module determines whether to admit data into the cache and/or evict data from the cache using the access metadata. A storage module may provide eviction candidates to the cache module. The cache module may select candidates for eviction. The storage module may leverage the eviction candidates to improve the performance of storage recovery and/or grooming operations.
摘要翻译：高速缓存模块利用存储元数据来缓存非易失性存储设备上后备存储的数据。高速缓存模块维护与逻辑地址空间中的逻辑标识符的访问特性有关的访问元数据，包括未缓存的逻辑标识符的访问特性（例如，与未存储在非易失性存储设备上的数据相关联的逻辑标识符）。访问元数据可以与存储元数据分开和/或不同。高速缓存模块使用访问元数据来确定是否将数据准入高速缓存和/或从高速缓存中取出数据。存储模块可以向缓存模块提供驱逐候选。缓存模块可以选择要驱逐的候选。存储模块可以利用驱逐候选来提高存储恢复和/或修饰操作的性能。

5. 发明申请

US20120204060A1 PROVIDING RESTARTABLE FILE SYSTEMS WITHIN COMPUTING DEVICES 有权
标题翻译：在计算设备中提供可恢复的文件系统
公开(公告)号：US20120204060A1
公开(公告)日：2012-08-09
申请号：US13023354
申请日：2011-02-08
申请人： Michael M. Swift , Andrea C. Arpaci-Dusseau , Remzi H. Arpaci-Dusseau , Swaminathan Sundararaman , Sriram Subramanian , Abhishek Rajimwale
发明人： Michael M. Swift , Andrea C. Arpaci-Dusseau , Remzi H. Arpaci-Dusseau , Swaminathan Sundararaman , Sriram Subramanian , Abhishek Rajimwale
IPC分类号： G06F11/08
CPC分类号： G06F11/1435
摘要： In general, techniques are described for enabling a restartable file system. A computing device comprising a processor that executes an operating system may implement the techniques. The processor executes kernel and file system functions of the operating system to perform an operation, where both types of functions call each other to perform the operation. The operating system stores data identifying those of the kernel functions that called the file system functions. In response to determining that one of the file system functions that was called has failed, the operating system accesses the data to identify one of the kernel functions that most recently called one of the file system functions, and returns control to the identified one of the kernel functions without executing any of the file system functions called after the identified one of the kernel functions and prior to the one of the file system functions that failed.
摘要翻译：一般来说，描述了启用可重新启动的文件系统的技术。包括执行操作系统的处理器的计算设备可以实现这些技术。处理器执行操作系统的内核和文件系统功能以执行操作，其中两种类型的功能彼此相互调用以执行操作。操作系统存储标识称为文件系统功能的内核功能的数据。响应于确定被调用的文件系统功能之一失败，操作系统访问数据以识别最近称为文件系统功能之一的内核功能之一，并且将控制权返回到所识别的一个内核函数，而不执行在确定的一个内核函数之后，在失败的文件系统函数之前调用的任何文件系统函数。

6. 发明授权

US07372811B1 Load balancing model for multilink frame relay 有权
标题翻译：多链路帧中继的负载均衡模型
公开(公告)号：US07372811B1
公开(公告)日：2008-05-13
申请号：US09924278
申请日：2001-08-07
申请人： Chang Ahn , Swaminathan Sundararaman , Ronak Desai
发明人： Chang Ahn , Swaminathan Sundararaman , Ronak Desai
IPC分类号： H04J3/14 , H04L12/26
CPC分类号： H04L12/66
摘要： A system and method for load balancing transmissions across a multilink frame relay connection is disclosed. A credit value is assigned to each bundle link in the multilink based on the amount of data transmitted over a set period of time. Frames or frame fragments are sent over the link with the highest credit value. Credit is subtracted from the link in proportion to the size of the frame or frame fragment. When two or more links have the same credit value, the frame or fragment is sent over the slowest link. The credit values are reset when a specified time period has passed, a link has a negative credit value, or all the links have a credit value of zero.
摘要翻译：公开了一种用于在多链路帧中继连接上负载平衡传输的系统和方法。基于在一段时间内发送的数据量，将信用值分配给多链路中的每个捆绑链路。帧或帧片段通过具有最高信用值的链路发送。从链接中减去与帧或帧片段大小成比例的信用。当两个或多个链接具有相同的信用值时，帧或片段通过最慢的链路发送。当指定的时间段过去，链接具有负的信用值，或者所有链接的信用值为零时，信用值将被重置。

7. 发明申请

US20150113326A1 SYSTEMS AND METHODS FOR DISTRIBUTED ATOMIC STORAGE OPERATIONS 有权
标题翻译：用于分布式原子存储操作的系统和方法
公开(公告)号：US20150113326A1
公开(公告)日：2015-04-23
申请号：US14298791
申请日：2014-06-06
申请人： Nisha Talagala , Dhananjoy Das , Swaminathan Sundararaman , Ashish Batwara , Nick Piggin
发明人： Nisha Talagala , Dhananjoy Das , Swaminathan Sundararaman , Ashish Batwara , Nick Piggin
IPC分类号： G06F11/14
CPC分类号： G06F11/1441 , G06F3/0619 , G06F3/064 , G06F3/0688 , G06F11/1443 , G06F11/2094
摘要： An aggregation module combines a plurality of logical address spaces to form a conglomerated address space. The logical address spaces comprising the conglomerated address space may correspond to different respective storage modules and/or storage devices. An atomic aggregation module coordinates atomic storage operations within the conglomerated address space, and which span multiple storage modules. The aggregation module may identify the storage modules used to implement the atomic storage request, assign a sequence indicator to the atomic storage request, and issue atomic storage requests (sub-requests) to the storage modules. The storage modules may be configured to store a completion tag comprising the sequence indicator upon completing the sub-requests issued thereto. The aggregation module may identify incomplete atomic storage requests based on the completion information stored on the storage modules.
摘要翻译：聚合模块组合多个逻辑地址空间以形成集合地址空间。包含集合地址空间的逻辑地址空间可以对应于不同的各自的存储模块和/或存储设备。原子聚合模块协调集合地址空间内的原子存储操作，并跨越多个存储模块。聚合模块可以识别用于实现原子存储请求的存储模块，为原子存储请求分配序列指示符，并向存储模块发出原子存储请求（子请求）。存储模块可以被配置为在完成向其发出的子请求时存储包括序列指示符的完成标签。聚合模块可以基于存储在存储模块上的完成信息来识别不完整的原子存储请求。

8. 发明申请

US20130275656A1 APPARATUS, SYSTEM, AND METHOD FOR KEY-VALUE POOL IDENTIFIER ENCODING 有权
标题翻译：用于键值池识别器编码的装置，系统和方法
公开(公告)号：US20130275656A1
公开(公告)日：2013-10-17
申请号：US13590107
申请日：2012-08-20
申请人： Nisha Talagala , Swaminathan Sundararaman , Bharath Ramsundar , Ashish Batwara
发明人： Nisha Talagala , Swaminathan Sundararaman , Bharath Ramsundar , Ashish Batwara
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/7201
摘要： Apparatuses, systems, and methods are disclosed for a key-value store. A method includes encoding a key of a key-value pair into a logical address of a sparse logical address space for a non-volatile medium. A method includes mapping a logical address to a physical location in the non-volatile medium. A method includes storing a value of a key-value pair at a physical location.
摘要翻译：公开了用于键值存储的装置，系统和方法。一种方法包括将密钥值对的密钥编码为用于非易失性介质的稀疏逻辑地址空间的逻辑地址。一种方法包括将逻辑地址映射到非易失性介质中的物理位置。一种方法包括在物理位置存储键值对的值。

9. 发明申请

US20130185475A1 SYSTEMS AND METHODS FOR CACHE PROFILING 有权
标题翻译：用于缓存配置的系统和方法
公开(公告)号：US20130185475A1
公开(公告)日：2013-07-18
申请号：US13774874
申请日：2013-02-22
申请人： Nisha Talagala , Swaminathan Sundararaman
发明人： Nisha Talagala , Swaminathan Sundararaman
IPC分类号： G06F12/02
CPC分类号： G06F12/0238 , G06F12/0866 , G06F12/0888 , G06F2212/502
摘要： A cache module leverages a logical address space and storage metadata of a storage module (e.g., virtual storage module) to cache data of a backing store. The cache module maintains access metadata to track access characteristics of logical identifiers in the logical address space, including accesses pertaining to data that is not currently in the cache. The access metadata may be separate from the storage metadata maintained by the storage module. The cache module may calculate a performance metric of the cache based on profiling metadata, which may include portions of the access metadata. The cache module may determine predictive performance metrics of different cache configurations. An optimal cache configuration may be identified based on the predictive performance metrics.
摘要翻译：高速缓存模块利用存储模块（例如，虚拟存储模块）的逻辑地址空间和存储元数据来缓存后备存储的数据。高速缓存模块维护访问元数据以跟踪逻辑地址空间中的逻辑标识符的访问特性，包括与当前不在高速缓存中的数据相关的访问。访问元数据可以与由存储模块维护的存储元数据分开。缓存模块可以基于分析元数据来计算高速缓存的性能度量，其可以包括访问元数据的部分。高速缓存模块可以确定不同高速缓存配置的预测性能度量。可以基于预测性能度量来识别最佳缓存配置。

10. 发明授权

US08966467B2 System and method for performing an in-service software upgrade in non-redundant systems 有权
标题翻译：在非冗余系统中执行在职软件升级的系统和方法
公开(公告)号：US08966467B2
公开(公告)日：2015-02-24
申请号：US13460436
申请日：2012-04-30
申请人： Vinay Sawal , Swaminathan Sundararaman
发明人： Vinay Sawal , Swaminathan Sundararaman
IPC分类号： G06F9/44
CPC分类号： G06F11/1458 , G06F8/65 , G06F8/656 , G06F8/658 , G06F11/1451 , G06F2201/84 , H04Q3/54516
摘要： An information handling system is provided. The information handling system includes one or more devices coupled together to route information between the one or more devices and other devices coupled thereto based on routing information stored in the one or more devices. The one or more devices includes a routing processor, one or more line cards coupled to the routing processor, the one or more line cards receiving the routing information from the routing processor for routing data packets to a destination, and a memory coupled to the routing processor. The routing processor is configured to create an active image having a current state of the routing information and create a standby image having the current state of the routing information, wherein the standby image requests the current state of the routing information from the active image using a key that is calculated using a portion of the routing information.
摘要翻译：提供信息处理系统。信息处理系统包括耦合在一起的一个或多个设备，以基于存储在一个或多个设备中的路由信息，在一个或多个设备与其上耦合的其他设备之间路由信息。一个或多个设备包括路由处理器，耦合到路由处理器的一个或多个线路卡，一个或多个线路卡从路由处理器接收路由信息以将数据分组路由到目的地，以及耦合到路由的存储器处理器。所述路由处理器被配置为创建具有所述路由信息的当前状态的活动图像，并且创建具有所述路由信息的当前状态的备用图像，其中所述备用图像使用以下方式从所述活动图像请求所述路由信息的当前状态：使用部分路由信息计算的密钥。

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