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1. 发明授权

US09043545B2 Distributing capacity slices across storage system nodes 有权
标题翻译：跨存储系统节点分发容量片
公开(公告)号：US09043545B2
公开(公告)日：2015-05-26
申请号：US13734274
申请日：2013-01-04
申请人： Jeffrey S. Kimmel , Tim Emami
发明人： Jeffrey S. Kimmel , Tim Emami
IPC分类号： G06F12/00 , G06F3/06 , G06F11/10 , G06F11/20
CPC分类号： G06F3/0689 , G06F3/0605 , G06F3/0619 , G06F3/0644 , G06F3/0665 , G06F11/1088 , G06F11/2094
摘要： Various systems and methods are described for configuring a data storage system. In one embodiment, a plurality of actual capacities of a plurality of storage devices of the data storage system are identified and divided into a plurality of capacity slices. The plurality of capacity slices are combined into a plurality of chunks of capacity slices, each having a combination of characteristics of the underlying physical storage devices. The chunks of capacity slices are then mapped to a plurality of logical storage devices. A group of the plurality of logical storage devices is then organized into a redundant array of logical storage devices.
摘要翻译：描述了用于配置数据存储系统的各种系统和方法。在一个实施例中，数据存储系统的多个存储设备的多个实际容量被识别并分成多个容量片。多个容量片被组合成多个容量片段，每个片段具有底层物理存储设备的特征的组合。然后将容量片的块块映射到多个逻辑存储设备。然后将一组多个逻辑存储设备组织成逻辑存储设备的冗余阵列。

2. 发明申请

US20140052946A1 TECHNIQUES FOR OPPORTUNISTIC DATA STORAGE 有权
标题翻译：机会数据存储技术
公开(公告)号：US20140052946A1
公开(公告)日：2014-02-20
申请号：US13970317
申请日：2013-08-19
申请人： Jeffrey S. Kimmel
发明人： Jeffrey S. Kimmel
IPC分类号： G06F12/02
CPC分类号： G06F12/02 , G06F3/0608 , G06F3/0631 , G06F3/0641 , G06F3/0679
摘要： Techniques for opportunistic data storage are described. In one embodiment, for example, an apparatus may comprise a data storage device and a storage management module, and the storage management module may be operative to receive a request to store a set of data in the data storage device, the request indicating that the set of data is to be stored with opportunistic retention, the storage management module to select, based on allocation information, storage locations of the data storage device for opportunistic storage of the set of data and write the set of data to the selected storage locations. Other embodiments are described and claimed.
摘要翻译：描述了用于机会数据存储的技术。在一个实施例中，例如，设备可以包括数据存储设备和存储管理模块，并且存储管理模块可以操作以接收在数据存储设备中存储一组数据的请求，该请求指示存储管理模块基于分配信息来选择数据存储设备的存储位置，用于机会存储该组数据，并将该组数据写入所选择的存储位置。描述和要求保护其他实施例。

3. 发明授权

US08478835B2 Method and system for using shared memory with optimized data flow to improve input/output throughout and latency 有权
标题翻译：使用共享存储器优化数据流的方法和系统，以改善整个输入/输出和延迟
公开(公告)号：US08478835B2
公开(公告)日：2013-07-02
申请号：US12175426
申请日：2008-07-17
申请人： Jeffrey S. Kimmel , Steve C. Miller , Ashish Prakash
发明人： Jeffrey S. Kimmel , Steve C. Miller , Ashish Prakash
IPC分类号： G06F15/167
CPC分类号： G06F12/0868 , G06F3/067 , G06F12/084 , G06F2212/263 , G06F2212/284 , H04L67/1097
摘要： The data path in a network storage system is streamlined by sharing a memory among multiple functional modules (e.g., N-module and D-module) of a storage server that facilitates symmetric access to data from multiple clients. The shared memory stores data from clients or storage devices to facilitate communication of data between clients and storage devices and/or between functional modules, and reduces redundant copies necessary for data transport. It reduces latency and improves throughput efficiencies by minimizing data copies and using hardware assisted mechanisms such as DMA directly from host bus adapters over an interconnection, e.g. switched PCI-e “network”. This scheme is well suited for a “SAN array” architecture, but also can be applied to NAS protocols or in a unified protocol-agnostic storage system. The storage system can provide a range of configurations ranging from dual module to many modules with redundant switched fabrics for I/O, CPU, memory, and disk connectivity.
摘要翻译：通过在存储服务器的多个功能模块（例如，N模块和D模块）中共享存储器来简化网络存储系统中的数据路径，该存储服务器有助于对来自多个客户端的数据的对称访问。共享存储器存储来自客户端或存储设备的数据，以促进客户端和存储设备之间和/或功能模块之间的数据通信，并减少数据传输所需的冗余副本。它通过最小化数据副本并使用诸如DMA之类的硬件辅助机制直接从主机总线适配器（例如，互连）来减少延迟并提高吞吐量效率。切换PCI-e“网络”。该方案非常适用于“SAN阵列”架构，也可应用于NAS协议或统一协议无关的存储系统。存储系统可以提供从双模块到多模块的一系列配置，具有用于I / O，CPU，内存和磁盘连接的冗余交换架构。

4. 发明授权

US08224777B2 System and method for generating consistent images of a set of data objects 有权
标题翻译：用于生成一组数据对象的一致图像的系统和方法
公开(公告)号：US08224777B2
公开(公告)日：2012-07-17
申请号：US11913036
申请日：2006-04-28
申请人： Jeffrey S. Kimmel
发明人： Jeffrey S. Kimmel
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F11/1471 , G06F2201/82 , G06F2201/84
摘要： A system and method efficiently generates a set of parallel persistent consistency point images (PCPIs) of volumes configured as a SVS and served by a plurality of nodes interconnected as a cluster. A volume operations daemon (VOD) executing on a node of the cluster is configured to manage generation of the volume PCPIs. Notably, the set of PCPIs is generated substantially in parallel to thereby obtain a consistent and accurate point in time reference of the entire SVS.
摘要翻译：一种系统和方法有效地生成一组被配置为SVS并且被作为一个集群互连的多个节点服务的并行的持久性一致性点图像（PCPI）。在集群节点上执行的卷操作守护进程（VOD）被配置为管理卷PCPI的生成。值得注意的是，PCPI的集合基本上并行产生，从而获得整个SVS的一致且准确的时间参考点。

5. 发明授权

US08074021B1 Network storage system including non-volatile solid-state memory controlled by external data layout engine 有权
标题翻译：网络存储系统包括由外部数据布局引擎控制的非易失性固态存储器
公开(公告)号：US08074021B1
公开(公告)日：2011-12-06
申请号：US12057277
申请日：2008-03-27
申请人： Steve C. Miller , Jeffrey S. Kimmel
发明人： Steve C. Miller , Jeffrey S. Kimmel
IPC分类号： G06F12/00
CPC分类号： G06F12/0246 , G06F11/108 , G06F2212/262 , G06F2212/7203 , G06F2212/7208
摘要： A network storage system includes “raw” flash memory, and storage of data in that flash memory is controlled by an external, log structured, write out-of-place data layout engine of a storage server. By avoiding a separate, onboard data layout engine on the flash devices, the latency associated with operation of such a data layout engine is also avoided. The flash memory can be used as the main persistent storage of a storage server and/or as buffer cache of a storage server, or both. The flash memory can be accessible to multiple storage servers in a storage cluster. To reduce variability in read latency, each flash device provides its status (“busy” or not) to the data layout engine. The data layout engine uses RAID data reconstruction to avoid having to read from a busy flash device.
摘要翻译：网络存储系统包括“原始”闪存，并且闪存中的数据的存储由存储服务器的外部的，结构化的，写入不合格的写入数据布局引擎来控制。通过避免闪存设备上的单独的板上数据布局引擎，也避免了与这种数据布局引擎的操作相关联的延迟。闪存可以用作存储服务器的主持久存储器和/或作为存储服务器的缓冲器高速缓存或二者兼有。存储集群中的多个存储服务器可以访问闪存。为了减少读取延迟的变化，每个闪存设备将其状态（“忙”）提供给数据布局引擎。数据布局引擎使用RAID数据重建，以避免从繁忙的闪存设备读取。

6. 发明授权

US07945822B1 Storing data to multi-chip low-latency random read memory device using non-aligned striping 有权
标题翻译：使用非对齐条带将数据存储到多芯片低延迟随机读取存储器件
公开(公告)号：US07945822B1
公开(公告)日：2011-05-17
申请号：US12430783
申请日：2009-04-27
申请人： Jeffrey S. Kimmel , Rajesh Sundaram , George Totolos, Jr. , Michael W. J. Hordijk
发明人： Jeffrey S. Kimmel , Rajesh Sundaram , George Totolos, Jr. , Michael W. J. Hordijk
IPC分类号： G11C29/00
CPC分类号： G06F12/0246 , G06F11/1666 , G06F11/20 , G06F2212/1032 , G06F2212/7208 , G11C29/76
摘要： Described herein are method and apparatus for storing data to a low-latency random read memory (LLRRM) device using non-aligned data striping, the LLRRM device being implemented on a storage system. The LLRRM device may comprise a bank comprising a plurality of memory chips, each chip being simultaneously accessible for storing data on a plurality of erase-units (EUs). A storage operating system may maintain, for each chip, a reserve data structure listing reserve EUs and a remapping data structure for tracking remappings between defective EUs to reserve EUs in the chip. A defective EU in a chip may be mapped to a reserve EU from the reserve data structure. Upon receiving a data block to be stored to the LLRRM device at the defective EU, the storage operating system may stripe the received data block across a plurality of chips in a non-aligned manner using the remapped reserve EU.
摘要翻译：这里描述了使用非对齐数据条带化将数据存储到低延迟随机读取存储器（LLRRM）装置的方法和装置，LLRRM装置在存储系统上实现。 LLRRM设备可以包括一个包括多个存储器芯片的存储体，每个芯片可以同时访问以存储多个擦除单元（EU）上的数据。存储操作系统可以为每个芯片保留列出保留EU的备用数据结构和用于跟踪缺陷EU之间的重新映射的重映射数据结构，以在芯片中保留EU。芯片中的有缺陷的EU可以从保留数据结构映射到保留EU。在接收到在缺陷EU处存储到LLRRM设备的数据块时，存储操作系统可以使用重新映射的保留EU以不对齐的方式跨越多个芯片对接收到的数据块进行条带化。

7. 发明授权

US07401093B1 System and method for managing file data during consistency points 有权
标题翻译：一致性点管理文件数据的系统和方法
公开(公告)号：US07401093B1
公开(公告)日：2008-07-15
申请号：US10705493
申请日：2003-11-10
申请人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
发明人： Eric Hamilton , Jeffrey S. Kimmel , Robert L. Fair , Ashish Prakash
IPC分类号： G06F17/00
CPC分类号： G06F17/30088 , Y10S707/99942 , Y10S707/99943 , Y10S707/99944 , Y10S707/99945 , Y10S707/99953
摘要： A system and method for managing file data during consistency points in a file system is provided. A buffer data control structure is modified to include a flags array that tracks various status flags for both a current and a next consistency point (CP). By utilizing multiple pointers within a buffer control structure, the file system may permit write operations to continue to a file undergoing write allocation. Received writes during a write allocation procedure are stored in raw data buffers and the buffer control structure is marked as being dirty for a next CP.
摘要翻译：提供了一种用于在文件系统中的一致性点期间管理文件数据的系统和方法。修改缓冲器数据控制结构以包括跟踪当前和下一个一致性点（CP）的各种状态标志的标志数组。通过利用缓冲器控制结构内的多个指针，文件系统可允许写入操作继续进行正在进行写入分配的文件。在写入分配过程期间的接收写入被存储在原始数据缓冲器中，并且缓冲器控制结构被标记为对于下一个CP是脏的。

8. 发明授权

US07155458B1 Mechanism for distributed atomic creation of client-private files 有权
标题翻译：分布式原子创建客户端 - 私有文件的机制
公开(公告)号：US07155458B1
公开(公告)日：2006-12-26
申请号：US10117537
申请日：2002-04-05
申请人： Jeffrey S. Kimmel , Arthur Lent , Don Bolinger
发明人： Jeffrey S. Kimmel , Arthur Lent , Don Bolinger
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06F17/30067 , Y10S707/99943
摘要： A mechanism enables distributed atomic creation of client-private files using a distributed file system protocol. The mechanism provides an unlinked open operation that enables the distributed atomic creation of a client-private file that is not accessible by other clients. That is, the unlinked open operation creates a file, but does not generate a path name to the file within a file system. The unlinked open operation thus permits clients utilizing the file system protocol to create temporary or “scratch files” that are not accessible by other clients.
摘要翻译：一种机制可以使用分布式文件系统协议实现客户端 - 专用文件的分布式原型创建。该机制提供了一个未链接的打开操作，使得无法由其他客户端访问的客户机专用文件的分布式原子创建。也就是说，未连接的打开操作创建一个文件，但不会在文件系统中生成文件的路径名。因此，未连接的打开操作允许利用文件系统协议的客户端创建不能被其他客户端访问的临时或“临时文件”。

9. 发明授权

US6105053A Operating system for a non-uniform memory access multiprocessor system 失效
标题翻译：用于不均匀内存访问多处理器系统的操作系统
公开(公告)号：US6105053A
公开(公告)日：2000-08-15
申请号：US494357
申请日：1995-06-23
申请人： Jeffrey S. Kimmel , Robert A. Alfieri , Miles A. de Forest , William K. McGrath , Michael J. McLeod , Mark A. O'Connell , Guy A. Simpson
发明人： Jeffrey S. Kimmel , Robert A. Alfieri , Miles A. de Forest , William K. McGrath , Michael J. McLeod , Mark A. O'Connell , Guy A. Simpson
IPC分类号： G06F12/02 , G06F9/48 , G06F9/50 , G06F12/06 , G06F9/00
CPC分类号： G06F9/5083 , G06F9/5016
摘要： An operating system for a non-uniform memory access (NUMA) multiprocessor system that utilizes a software abstraction of the NUMA system hardware representing a hierarchical tree structure to maintain the most efficient level of affinity and to maintain balanced processor and memory loads. The hierarchical tree structure includes leaf nodes representing the job processors, a root node representing at least one system resource shared by all the job processors, and a plurality of intermediate level nodes representing resources shared by different combinations of the job processors. The operating system includes a medium term scheduler for monitoring the progress of active thread groups distributed throughout the system and for assisting languishing thread groups, and a plurality of dispatchers each associated with one of the job processors for monitoring the status of the associated job processor and for obtaining thread groups for the associated job processor to execute. The operating system further includes a memory manager for allocating virtual and physical memory using a plurality of memory pools and frame treasuries.
摘要翻译：用于非均匀存储器访问（NUMA）多处理器系统的操作系统，其利用表示层次树结构的NUMA系统硬件的软件抽象来维持最有效的亲和度水平并维持平衡的处理器和存储器负载。分层树结构包括表示作业处理器的叶节点，表示所有作业处理器共享的至少一个系统资源的根节点，以及表示由作业处理器的不同组合共享的资源的多个中间级节点。所述操作系统包括中期计划器，用于监视分布在整个系统中的活动线程组的进度并用于辅助线程组，以及多个调度器，每个调度器与作业处理器之一相关联，用于监视相关联的作业处理器的状态，以及用于获取相关作业处理器执行的线程组。操作系统还包括存储器管理器，用于使用多个存储器池和帧库进行虚拟和物理存储器的分配。

10. 发明授权

US5713004A Cache control for use in a multiprocessor to prevent data from ping-ponging between caches 失效
标题翻译：用于多处理器的缓存控制，以防止数据在高速缓存之间乒乓
公开(公告)号：US5713004A
公开(公告)日：1998-01-27
申请号：US443604
申请日：1995-05-18
申请人： Jeffrey S. Kimmel , Elizabeth H. Reeves , Peter B. Everdell
发明人： Jeffrey S. Kimmel , Elizabeth H. Reeves , Peter B. Everdell
IPC分类号： G06F12/08
CPC分类号： G06F12/0808 , G06F12/0811
摘要： A multiprocessor cache control uses ping-pong bits to reduces the number of invalidate cycles on a shared system bus in a multiprocessor system with a plurality of caches when data is being updated by multiple CPUs. The ping-pong bit is used predict when sharing is taking place and convert read-shared requests into read-exclusive requests.
摘要翻译：当多个CPU正在更新数据时，多处理器高速缓存控制使用乒乓位来减少具有多个高速缓存的多处理器系统中的共享系统总线上的无效周期数。使用乒乓位用于共享发生时的预测，并将读共享请求转换为独占请求。

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