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1. 发明授权

US08132058B1 Auto regression tester for network-based storage virtualization system 失效
标题翻译：基于网络的存储虚拟化系统的自动回归测试仪
公开(公告)号：US08132058B1
公开(公告)日：2012-03-06
申请号：US11397487
申请日：2006-04-03
申请人： Kumar Gajjar , Robert Robbins , Ranjit Ghate
发明人： Kumar Gajjar , Robert Robbins , Ranjit Ghate
IPC分类号： G06F11/00
CPC分类号： G06F11/263
摘要： An apparatus and method for testing a network-based storage virtualization system. A tester is connected to a host side of a storage virtualization system. The tester provides test scripts to the storage virtualization system to test I/O and other operations. A separate link, independent of said storage virtualization system, is provided to a storage side of said storage virtualization system to allow verification of the correct translation from virtual to physical independent of the data path used by the virtualization system. Thus, the tester verifies, over the separate link, the physical configuration of VLUNs and data written to the VLUNs by the tester on storage devices.
摘要翻译：一种用于测试基于网络的存储虚拟化系统的设备和方法。测试器连接到存储虚拟化系统的主机端。测试人员向存储虚拟化系统提供测试脚本，以测试I / O和其他操作。独立于所述存储虚拟化系统的单独链接被提供给所述存储虚拟化系统的存储侧，以允许验证与虚拟化系统使用的数据路径无关的从虚拟到物理的正确转换。因此，测试者通过单独的链路验证VLUN的物理配置和测试仪在存储设备上写入VLUN的数据。

2. 发明授权

US07774465B1 High-speed data transfer in a storage virtualization controller 有权
标题翻译：存储虚拟化控制器中的高速数据传输
公开(公告)号：US07774465B1
公开(公告)日：2010-08-10
申请号：US11946658
申请日：2007-11-28
申请人： Rahim Ibrahim , Glenn Yu , Nghiep Tran , Tuan Nguyen , Chan Ng , Kumar Gajjar , Richard Meyer
发明人： Rahim Ibrahim , Glenn Yu , Nghiep Tran , Tuan Nguyen , Chan Ng , Kumar Gajjar , Richard Meyer
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： G06F17/30067
摘要： A storage virtualization controller for transferring data between a host and a storage device at a wire-speed data transfer rate. A downstream processing element adapted for connection to the storage device is configurable coupled to an upstream processing element adapted for connection to the host. A central processing element coupled to the upstream processing element grants permission to the upstream processing element to transfer the data at the wire-speed rate without further involvement by the central processing element.
摘要翻译：一种存储虚拟化控制器，用于以线速数据传输速率在主机和存储设备之间传送数据。适于连接到存储设备的下游处理元件可配置为耦合到适于连接到主机的上游处理元件。耦合到上游处理元件的中央处理元件允许上游处理元件以线速率传输数据，而不需要中央处理元件的进一步参与。

3. 发明授权

US07640451B2 Failover processing in a storage system 有权
公开(公告)号：US07640451B2
公开(公告)日：2009-12-29
申请号：US11325578
申请日：2006-01-03
申请人： Richard Meyer , Kumar Gajjar , Chan Ng , Andre Gusev
发明人： Richard Meyer , Kumar Gajjar , Chan Ng , Andre Gusev
IPC分类号： G06F11/00
CPC分类号： G06F12/1458 , G06F3/0605 , G06F3/0607 , G06F3/0614 , G06F3/0629 , G06F3/0632 , G06F3/0635 , G06F3/0665 , G06F3/067 , G06F11/0724 , G06F11/0727 , G06F11/0766 , G06F11/0793 , G06F11/1482 , G06F11/201 , G06F11/2025 , G06F11/2089 , G06F11/2092 , G06F11/2094 , G06F11/2097 , G06F2201/815 , H04L49/357 , H04L67/1097
摘要： Failover processing in storage server system utilizes policies for managing fault tolerance (FT) and high availability (HA) configurations. The approach encapsulates the knowledge of failover recovery between components within a storage server and between storage server systems. This knowledge includes information about what components are participating in a Failover Set, how they are configured for failover, what is the Fail-Stop policy, and what are the steps to perform when “failing-over” a component.

4. 发明授权

US07065616B2 System and method for policy based storage provisioning and management 有权
公开(公告)号：US07065616B2
公开(公告)日：2006-06-20
申请号：US10928081
申请日：2004-08-26
申请人： Kumar Gajjar , Jim Collins , Richard Meyer , Chandra Prasad , Dipam Patel
发明人： Kumar Gajjar , Jim Collins , Richard Meyer , Chandra Prasad , Dipam Patel
IPC分类号： G06F12/12
CPC分类号： G06F12/1458 , G06F3/0605 , G06F3/0607 , G06F3/0614 , G06F3/0629 , G06F3/0632 , G06F3/0635 , G06F3/0665 , G06F3/067 , G06F11/0724 , G06F11/0727 , G06F11/0766 , G06F11/0793 , G06F11/1482 , G06F11/201 , G06F11/2025 , G06F11/2089 , G06F11/2092 , G06F11/2094 , G06F11/2097 , G06F2201/815 , H04L49/357 , H04L67/1097
摘要： A storage provisioning policy is created by specifying storage heuristics for storage attributes using storage heuristic metadata. Storage attributes characterize a storage device and storage heuristic metadata describe how to specify a storage heuristic. Using the storage heuristic metadata, storage heuristics are defined to express a rule or constraint as a function of a storage attribute. In addition, the storage provisioning policy may also specify mapping rules for exporting the storage to a consumer of the storage, such as the server or server cluster.

5. 发明授权

US06253271B1 Bridge for direct data storage device access 有权
标题翻译：用于直接访问数据存储设备的桥
公开(公告)号：US06253271B1
公开(公告)日：2001-06-26
申请号：US09372707
申请日：1999-08-11
申请人： Tamir Ram , John V. Vincenet , Kumar Gajjar , Sara Abraham , Syang Edward Syu , Paul Lester Popelka
发明人： Tamir Ram , John V. Vincenet , Kumar Gajjar , Sara Abraham , Syang Edward Syu , Paul Lester Popelka
IPC分类号： G06F1516
CPC分类号： G06F13/4004
摘要： A bridge in a file server provides a direct link to data storage devices in satisfaction of data requests. The file server has one or more function-specific processors, including network processors (NPs) and file storage processors (FSPs), all operating in parallel and communicating over an interconnect bus. Each FSP is also connected to one or more disk controllers which in turn manage one or more data storage devices. To minimize local bus contention between data storage devices and network communications, separate internal buses are provided in the FSP, one internal bus connected to the interconnect bus for network communications and one internal bus connected to disk controllers for performing I/O operations on data storage devices. The bridge provides a path between the FSP's internal buses so that, for disk access requests, data from a particular data storage device may be sent by the disk controller via the bridge over the interconnect bus to the NP servicing the request with minimal involvement of the local FSP processor.
摘要翻译：文件服务器中的一个桥接器可以直接链接到满足数据请求的数据存储设备。文件服务器具有一个或多个功能特定的处理器，包括网络处理器（NP）和文件存储处理器（FSP），所有这些处理器都通过并行运行并通过互连总线进行通信。每个FSP还连接到一个或多个磁盘控制器，磁盘控制器又管理一个或多个数据存储设备。为了最小化数据存储设备和网络通信之间的局部总线争用，FSP中提供单独的内部总线，一条内部总线连接到互连总线进行网络通信，一条内部总线连接到磁盘控制器，用于对数据存储执行I / O操作设备。该桥提供了FSP内部总线之间的路径，因此，对于磁盘访问请求，来自特定数据存储设备的数据可以由磁盘控制器通过互连总线上的桥发送到NP，以最少的参与本地FSP处理器。

6. 发明授权

US5787463A Disk array system including a dual-ported staging memory and concurrent redundancy calculation capability 失效
标题翻译：磁盘阵列系统包括双端口分段存储器和并发冗余计算能力
公开(公告)号：US5787463A
公开(公告)日：1998-07-28
申请号：US834349
申请日：1997-04-15
申请人： Kumar Gajjar
发明人： Kumar Gajjar
IPC分类号： G06F3/06 , G06F11/10 , G06F11/20 , G06F13/16
CPC分类号： G06F3/0613 , G06F11/1076 , G06F3/0635 , G06F3/0689
摘要： The present invention is directed to memory subsystems that use redundant arrays of inexpensive disks (RAID). The subsystem enables dual concurrent accesses to the subsystem buffer by the host and RAID engine, which calculates parity information associated with data being transferred between the host and disk drives, by including a dual-ported staging memory where the host and disk drives are coupled to one port and the RAID engine to the other port. Positioning the RAID engine on the opposite side of the staging memory in relation to the host and disk drives allows for pipelined asynchronous memory subsystem operation, improving system throughput.
摘要翻译：本发明涉及使用廉价磁盘冗余阵列（RAID）的存储器子系统。子系统通过主机和RAID引擎双重并发访问子系统缓冲区，主机和RAID引擎通过包括一个双端口分段存储器来计算与主机和磁盘驱动器之间传输的数据相关的奇偶校验信息，主机和磁盘驱动器耦合到一个端口和另一个端口的RAID引擎。相对于主机和磁盘驱动器将RAID引擎定位在分段存储器的相对侧，允许流水线异步存储器子系统操作，从而提高系统吞吐量。

7. 发明授权

US08966081B1 Method for device security in a heterogeneous storage network environment 有权
标题翻译：异构存储网络环境中设备安全的方法
公开(公告)号：US08966081B1
公开(公告)日：2015-02-24
申请号：US11864868
申请日：2007-09-28
申请人： Richard Meyers , Kumar Gajjar , Rahim Ibrahim , Nghiep Tran , Chandra Prasad
发明人： Richard Meyers , Kumar Gajjar , Rahim Ibrahim , Nghiep Tran , Chandra Prasad
IPC分类号： H04L9/00
CPC分类号： H04L9/32 , H04L67/1097
摘要： An automated, policy-based system and method provides information security at various levels in the network, including at the baseline inventory, device, network frame, and command level. This approach improves over the conventional distributed security model by centralizing security in one multi-level management structure. Embodiments of the present invention may also provide a scheme for mapping vendor-unique opcodes to access rights.
摘要翻译：自动化的基于策略的系统和方法在网络中的各个级别提供信息安全性，包括在基线库存，设备，网络框架和命令级别。这种方法通过在一个多级管理结构中集中安全性来改进传统的分布式安全模型。本发明的实施例还可以提供用于将供应商唯一操作码映射到访问权限的方案。

8. 发明申请

US20060117212A1 Failover processing in a storage system 有权
公开(公告)号：US20060117212A1
公开(公告)日：2006-06-01
申请号：US11325578
申请日：2006-01-03
申请人： Richard Meyer , Kumar Gajjar , Chan Ng , Andre Gusev
发明人： Richard Meyer , Kumar Gajjar , Chan Ng , Andre Gusev
IPC分类号： G06F11/00
CPC分类号： G06F12/1458 , G06F3/0605 , G06F3/0607 , G06F3/0614 , G06F3/0629 , G06F3/0632 , G06F3/0635 , G06F3/0665 , G06F3/067 , G06F11/0724 , G06F11/0727 , G06F11/0766 , G06F11/0793 , G06F11/1482 , G06F11/201 , G06F11/2025 , G06F11/2089 , G06F11/2092 , G06F11/2094 , G06F11/2097 , G06F2201/815 , H04L49/357 , H04L67/1097
摘要： Failover processing in storage server system utilizes policies for managing fault tolerance (FT) and high availability (HA) configurations. The approach encapsulates the knowledge of failover recovery between components within a storage server and between storage server systems. This knowledge includes information about what components are participating in a Failover Set, how they are configured for failover, what is the Fail-Stop policy, and what are the steps to perform when “failing-over” a component.

9. 发明授权

US06385674B1 Systems and methods for dynamic alignment of associated portions of a code word from a plurality of asynchronous sources 有权
标题翻译：用于从多个异步源的代码字的关联部分的动态对准的系统和方法
公开(公告)号：US06385674B1
公开(公告)日：2002-05-07
申请号：US09399581
申请日：1999-09-20
申请人： Kumar Gajjar , Larry P. Henson
发明人： Kumar Gajjar , Larry P. Henson
IPC分类号： G06F1100
CPC分类号： G06F11/1008
摘要： The present invention is directed to a novel apparatus for “on-the-fly” data correction and regeneration of a plurality of data read from and stored to a plurality of storage devices. A control circuit is provided for control of data flow to and from the storage devices. The control circuit establishes and maintains a relatively simple semaphore between itself and an interface circuit controlling a FIFO buffer. A mask register is provided as a type of programmable logic AND gate to assert a master ready signal when each of a selected plurality of the interface circuits, one interface circuit per FIFO buffer, indicates that its respective FIFO buffer is ready, either to output or input an entire block. When each is ready, routing and correction commences under control of the control circuit until an entire block has been processed. Each interface circuit includes an associated flip/flop having an output which provides an indication of the ready status. When the flip/flop is set by the interface circuit, the FIFO buffer is ready. When the control circuit resets the flip/flop, the interface circuit establishes that an entire block has been processed.
摘要翻译：本发明涉及一种用于对从多个存储装置读取并存储的多个数据进行“即时”数据校正和再生的新装置。提供控制电路用于控制往返于存储设备的数据流。控制电路在其自身和控制FIFO缓冲器的接口电路之间建立并维持相对简单的信号量。当选择的多个接口电路（每个FIFO缓冲器的一个接口电路）中的每个接口电路指示其各自的FIFO缓冲器准备就绪时，提供屏蔽寄存器作为一种类型的可编程逻辑与门来断言主准备信号，以输出或输入整个块。当每个都准备就绪时，路由和校正在控制电路的控制下开始，直到整个块被处理。每个接口电路包括具有提供就绪状态指示的输出的相关联的触发器。当触发器由接口电路设置时，FIFO缓冲器就绪。当控制电路复位触发器时，接口电路确定整个块已被处理。

10. 发明授权

US5715406A Controlled bus reselection interface and method 失效
标题翻译：控制总线重选接口和方法
公开(公告)号：US5715406A
公开(公告)日：1998-02-03
申请号：US336630
申请日：1994-11-09
申请人： Larry P. Henson , Kumar Gajjar , Thomas E. Idleman
发明人： Larry P. Henson , Kumar Gajjar , Thomas E. Idleman
IPC分类号： G06F13/36 , G06F13/374 , G06F13/42
CPC分类号： G06F13/374 , G06F13/36
摘要： The present invention provides a method and apparatus for dynamically modifying the priority of access to a bus, where the bus has control and arbitration functions distributed among the devices coupled to the bus, with each device having a fixed priority level. Access to the bus by particular devices is selectively inhibited, preventing them from asserting their fixed priority level. In a preferred embodiment, the present invention provides control over the reselection of a SCSI bus by a plurality of SCSI devices coupled to the bus by providing a pseudo busy signal to SCSI devices from which reselection is not desired. In this fashion, an initiator may issue a plurality of commands to the SCSI devices and control the order in which the devices will be serviced when ready. A plurality of pseudo busy circuits are provided, with one coupled to each device on the bus. Each pseudo busy circuit is controlled by a control signal from the initiator. The pseudo busy circuit intercepts the busy line of the SCSI bus and provides a pseudo busy signal to the busy line input of the device when instructed by the initiator, although this requires additional control lines in conjunction with the SCSI bus, it allows the use of standard peripherals connectors and controllers designed for the SCSI bus.
摘要翻译：本发明提供了一种用于动态地修改对总线的访问的优先级的方法和装置，其中总线具有分配在耦合到总线的设备中的控制和仲裁功能，每个设备具有固定的优先级。选择性地禁止由特定设备访问总线，防止它们断言其固定的优先级。在优选实施例中，本发明通过向SCSI设备提供伪忙信号来提供通过耦合到总线的多个SCSI设备来重新选择SCSI总线的控制，从而不需要重新选择。以这种方式，启动器可以向SCSI设备发出多个命令，并且在准备好时控制设备将被维护的顺序。提供了多个伪忙电路，其中一个耦合到总线上的每个设备。每个伪忙电路由来自启动器的控制信号控制。伪忙电路拦截SCSI总线的忙线，并且在发起者的指示下，向设备的忙线路输入提供伪忙信号，尽管这需要与SCSI总线相结合的附加控制线，但是它允许使用为SCSI总线设计的标准外设连接器和控制器。

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