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    • 2. 发明授权
    • Glitcher system and method for interfaced or linked architectures
    • 用于接口或链接架构的Glitcher系统和方法
    • US06657968B1
    • 2003-12-02
    • US09314175
    • 1999-05-18
    • Robert George EmbertyCraig Anthony KleinGregory Allen Williams
    • Robert George EmbertyCraig Anthony KleinGregory Allen Williams
    • H04J314
    • G11B20/1816
    • A serial differential link glitcher system and method which allow for verification of error recovery by an interfaced or linked architecture system. The system and method provide accurate, reliable, and more assured fault simulation, such as noisy interface and dirty link simulations, within an interfaced or linked architecture system for verification of such error recovery and verifies and checks data at a lower level between interfaced devices. The system and method verify disparity errors between interfaced devices and also perform verification of error recovery between electrically linked devices or optically linked devices. At least two devices are coupled together by communication lines. Normal mode allows for normal operation of and normal communication between the at least two devices, and glitch mode provides fault simulation and disparity errors and phase inversion between the at least two devices for testing error recovery of the system. Proper polarity of the communication lines is maintained between the at least two devices when the system is in normal operation mode. The polarity of the communication lines between the at least two devices is switched and inverted when the system is in glitch mode wherein phase inversion and disparity errors in the communication lines are created. The glitcher switch system comprises a switch and a control circuit. The switch allows switching between the communication mode, that is, between the normal operation mode and the glitch mode. The control circuit controls the switch in placing the system in the normal operation mode or the glitch mode.
    • 串行差分链路闪烁器系统和方法,允许通过接口或链接的架构系统验证错误恢复。 该系统和方法在接口或链接的架构系统内提供准确,可靠和更可靠的故障模拟,例如噪声接口和脏链路模拟,用于验证这种错误恢复,并在接口设备之间验证和检查较低级别的数据。 系统和方法验证接口设备之间的差异错误,并且还执行电连接设备或光连接设备之间的错误恢复验证。 至少两个设备通过通信线路耦合在一起。 正常模式允许至少两个装置之间的正常操作和正常通信,并且毛刺模式提供用于测试系统的错误恢复的至少两个装置之间的故障模拟和视差错误以及相位反转。 当系统处于正常操作模式时,通信线路的正确极性保持在至少两个设备之间。 当系统处于毛刺模式时,至少两个设备之间的通信线路的极性被切换和反转,其中产生通信线路中的相位反转和差异错误。 闪烁开关系统包括开关和控制电路。 该开关允许在通信模式之间进行切换,即在正常操作模式和毛刺模式之间切换。 控制电路控制开关将系统置于正常工作模式或毛刺模式。
    • 5. 发明授权
    • Failover system for storage area network
    • 存储区域网故障转移系统
    • US06952792B2
    • 2005-10-04
    • US10100800
    • 2002-03-19
    • Robert George EmbertyCraig Anthony KleinDaniel James Winarski
    • Robert George EmbertyCraig Anthony KleinDaniel James Winarski
    • H04L1/22G06F11/00
    • H04L1/22
    • A computing system implements a SAN attached automated Hierarchical Storage Library with diverse media types and media failover capability where storage communications destined for any one media type may be redirected to another media type for uninterrupted storage communications with a host system when a failover condition has occurred. A preferred embodiment comprises: a) a controller network interface for connecting the storage area to a network; b) at least one control unit for HDD and removable media emulation; c) a failover bridge for seamless protocol conversion between media types; d) an HDD interface for connection to a plurality of HDD's on at least one backplane; e) at least one dual redundant controller component with dual mirrored NVRAM's thereby providing dual primary and failover communications links for the plurality of HDD's and removable media drives; f) a removable media interface for a plurality of removable media or removable media emulators.
    • 计算系统实现具有不同媒体类型和媒体故障转移功能的SAN连接的自动分层存储库,其中发送到任何一种媒体类型的存储通信可能被重定向到另一种媒体类型,以便在发生故障转移条件时与主机系统进行不间断的存储通信。 优选实施例包括:a)用于将存储区域连接到网络的控制器网络接口; b)用于HDD和可移动媒体仿真的至少一个控制单元; c)用于媒体类型之间的无缝协议转换的故障转移桥; d)用于连接至少一个背板上的多个HDD的HDD接口; e)至少一个具有双镜像NVRAM的双重冗余控制器组件,从而为多个HDD和可移动媒体驱动器提供双主要和故障切换通信链路; f)用于多个可移动介质或可移动介质仿真器的可移动介质接口。
    • 6. 发明授权
    • Data management small computer system interface (SCSI) extender for extending SCSI communications between SCSI interfaces located relatively far apart
    • 数据管理小型计算机系统接口(SCSI)扩展器,用于在相对较远的SCSI接口之间扩展SCSI通信
    • US06430632B1
    • 2002-08-06
    • US09322603
    • 1999-05-28
    • Jonathan Wade AinDonald Eugene DenningRobert George EmbertyCraig Anthony Klein
    • Jonathan Wade AinDonald Eugene DenningRobert George EmbertyCraig Anthony Klein
    • G06F1314
    • G06F13/4045
    • An improved system and method for extending interface communications for a SCSI. The system and method provides SCSI extenders that are able to extend SCSI communications over relatively long distances between at least two SCSI interfaces while also being fast and efficient in operation and inexpensive in implementation. The present system and method reduces latency, buffering, error recovery code, and other such additional hardware and software. SCSI signals are received from one SCSI interface, and the SCSI signals from the one SCSI interface are parallel loaded into a parallel register. The SCSI signals from the one SCSI interface are serialized into serial data, and the serial data from the parallel register is transmitted over an optical communication system. The transmitted serial data is converted back to the SCSI signals that were originally from the one SCSI interface. The SCSI signals that were originally from the one SCSI interface are received by and shifted into a data management and driver system, and the data management and driver system is used to manage and drive the SCSI signals from the one SCSI interface to another SCSI interface. The same system and methodology is applied to extend communications in both directions between the at least two SCSI interfaces. The data management and driver system arbitrates, selects, and drives SCSI signals from one SCSI interface to another SCSI interface. The data management and driver system includes a receive serial shift register and a driver logic device.
    • 用于扩展SCSI的接口通信的改进的系统和方法。 该系统和方法提供了SCSI扩展器,其能够在至少两个SCSI接口之间的较长距离上扩展SCSI通信,同时在操作中也是快速和有效的,并且实现方便。 本系统和方法减少延迟,缓冲,错误恢复代码以及其他此类附加硬件和软件。 从一个SCSI接口接收SCSI信号,一个SCSI接口的SCSI信号并行加载到一个并行寄存器中。 来自一个SCSI接口的SCSI信号被串行化为串行数据,来自并行寄存器的串行数据通过光通信系统传输。 传输的串行数据被转换回最初来自一个SCSI接口的SCSI信号。 最初来自一个SCSI接口的SCSI信号由数据管理和驱动系统接收并转移到数据管理和驱动系统中,数据管理和驱动系统用于管理和驱动SCSI信号从一个SCSI接口到另一个SCSI接口。 应用相同的系统和方法来在至少两个SCSI接口之间的两个方向上扩展通信。 数据管理和驱动系统将SCSI信号从一个SCSI接口仲裁,选择和驱动到另一个SCSI接口。 数据管理和驱动器系统包括接收串行移位寄存器和驱动器逻辑器件。