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    • 3. 发明授权
    • Method and apparatus for preserving loop fairness with dynamic
half-duplex
    • 用动态半双工保持环路公平性的方法和装置
    • US6061360A
    • 2000-05-09
    • US256108
    • 1999-02-24
    • Michael H. MillerJudy Lynn Westby
    • Michael H. MillerJudy Lynn Westby
    • H04J3/02H04L12/433H04L12/56
    • H04L12/5602H04L12/433
    • A method and apparatus for preserving loop fairness. Some embodiments include a dynamic half-duplex feature. One aspect includes a communications channel system and method for preserving loop fairness that includes a first channel node having one or more ports, each port supporting and attached to a fiber-channel arbitrated-loop serial communications channel. One of the ports will arbitrate for control of that port's attached channel, wherein control of the channel loop, once arbitration is won, a fairness-preserving apparatus causes control of the communications channel to be released based at least in part on whether a predetermined amount of use has occurred between the first port and the communications channel. In some embodiments, the predetermined amount of use includes a transfer of a first predetermined amount of data. In some embodiments, release of control of the channel is inhibited if less than a second predetermined amount of data remains to be transferred.
    • 一种保护环路公平性的方法和装置。 一些实施例包括动态半双工特征。 一个方面包括用于保持环路公平性的通信信道系统和方法,该通信信道系统和方法包括具有一个或多个端口的第一信道节点,每个端口支持并附加到光纤信道仲裁环路串行通信信道。 其中一个端口将仲裁用于控制该端口附加的信道,其中一旦仲裁被赢得,信道环路的控制就是至少部分地基于是否预定的量来保证通信信道的控制被释放 的使用发生在第一个端口和通信信道之间。 在一些实施例中,预定的使用量包括传送第一预定量的数据。 在一些实施例中,如果小于第二预定量的数据仍然要传送,则禁止释放信道的控制。
    • 4. 发明授权
    • Prevent data storage device circuitry swap
    • 防止数据存储设备电路交换
    • US09305590B2
    • 2016-04-05
    • US11873136
    • 2007-10-16
    • Michael H. Miller
    • Michael H. Miller
    • G06F21/00G11B20/00G06F21/10G11B20/18H04N5/913
    • G11B20/00086G06F21/10G11B20/00166G11B20/0021G11B20/00231G11B20/00246G11B20/00492G11B20/005G11B20/00543G11B20/1816G11B2220/20G11B2220/61H04N5/913H04N2005/91364
    • A device comprises a data storage media storing data content and a digital signature. At least a portion of the digital signature is encrypted on the data storage media. The device also includes a removable control circuitry including a unique key. If the unique key corresponds to the encrypted portion of the digital signature, the removable control circuitry allows access to the data content. If the unique key does not correspond to the encrypted portion of the digital signature, the removable control circuitry prevents access to the data content. Embodiments of the invention may be useful to prevent a user from accessing the data content without the original control circuitry used to write the data content. For example, embodiments of the invention may prevent a user from using a different control circuitry that would readily allow unauthorized copying and distribution of the data content.
    • 一种设备包括存储数据内容和数字签名的数据存储介质。 数字签名的至少一部分在数据存储介质上被加密。 该装置还包括一个包括唯一键的可移除控制电路。 如果唯一密钥对应于数字签名的加密部分,则可移动控制电路允许访问数据内容。 如果唯一密钥不对应于数字签名的加密部分,则可移除控制电路阻止对数据内容的访问。 本发明的实施例可以有助于防止用户在没有用于写入数据内容的原始控制电路的情况下访问数据内容。 例如,本发明的实施例可以防止用户使用容易允许未经授权复制和分发数据内容的不同控制电路。
    • 5. 发明授权
    • Method and system for improving the efficiency and ensuring the integrity of a data transfer
    • 提高效率和确保数据传输完整性的方法和系统
    • US07836225B2
    • 2010-11-16
    • US11709948
    • 2007-02-23
    • David J. CuddihyShawn C. MartinMichael H. MillerDavid A. Snell
    • David J. CuddihyShawn C. MartinMichael H. MillerDavid A. Snell
    • G06F13/00
    • H04L67/1095H04L67/1097H04L69/329
    • The present invention provides an improved method and system of improving the efficiency, and ensuring the integrity, of a data transfer in a serverless backup, or third party copy, system having one or more physical storage devices. The present invention provides improvements to the processing of serverless copy, or EXTENDED COPY, commands, and transfers of data associated with such commands. These improvements increase the speed at which such commands are executed and completed, and increase the capabilities of copy managers in serverless backup systems. The improvements also make better use of the storage devices involved in the data backup process. The method broadly includes determining a desired manner of execution of segment descriptors, or instructions, as a function of components of those instructions. Other aspects of the invention allow for execution of data segments of any size, and validation of segment descriptors and target descriptors prior to data transfer.
    • 本发明提供一种提高在具有一个或多个物理存储设备的无服务器备份或第三方拷贝系统中的数据传输的效率和确保完整性的改进方法和系统。 本发明提供对无服务器复制或扩展复制,命令和与这些命令相关联的数据的传送的处理的改进。 这些改进提高了执行和完成这些命令的速度,并增加了无服务器备份系统中的副本管理器的功能。 这些改进还可以更好地利用数据备份过程中涉及的存储设备。 该方法广泛地包括根据这些指令的组件的函数确定段描述符或指令的期望执行方式。 本发明的其他方面允许在数据传输之前执行任何大小的数据段,以及片段描述符和目标描述符的验证。
    • 9. 发明申请
    • PREVENT DATA STORAGE DEVICE CIRCUITRY SWAP
    • 防止数据存储设备电路交换
    • US20090100273A1
    • 2009-04-16
    • US11873136
    • 2007-10-16
    • Michael H. Miller
    • Michael H. Miller
    • H04L9/32
    • G11B20/00086G06F21/10G11B20/00166G11B20/0021G11B20/00231G11B20/00246G11B20/00492G11B20/005G11B20/00543G11B20/1816G11B2220/20G11B2220/61H04N5/913H04N2005/91364
    • A device comprises a data storage media storing data content and a digital signature. At least a portion of the digital signature is encrypted on the data storage media. The device also includes a removable control circuitry including a unique key. If the unique key corresponds to the encrypted portion of the digital signature, the removable control circuitry allows access to the data content. If the unique key does not correspond to the encrypted portion of the digital signature, the removable control circuitry prevents access to the data content. Embodiments of the invention may be useful to prevent a user from accessing the data content without the original control circuitry used to write the data content. For example, embodiments of the invention may prevent a user from using a different control circuitry that would readily allow unauthorized copying and distribution of the data content.
    • 一种设备包括存储数据内容和数字签名的数据存储介质。 数字签名的至少一部分在数据存储介质上被加密。 该装置还包括一个包括唯一键的可移除控制电路。 如果唯一密钥对应于数字签名的加密部分,则可移动控制电路允许访问数据内容。 如果唯一密钥不对应于数字签名的加密部分,则可移除控制电路阻止对数据内容的访问。 本发明的实施例可以有助于防止用户在没有用于写入数据内容的原始控制电路的情况下访问数据内容。 例如,本发明的实施例可以防止用户使用容易允许未经授权复制和分发数据内容的不同控制电路。
    • 10. 再颁专利
    • Method and apparatus to reduce serial communications path connection overhead
    • USRE40034E1
    • 2008-01-22
    • US10714478
    • 2003-11-13
    • Judy Lynn WestbyMichael H. Miller
    • Judy Lynn WestbyMichael H. Miller
    • G06F13/14
    • H04L1/0061G06F3/0619G06F3/0656G06F3/0689G06F11/1004G06F11/2007G06F13/368G11B5/012H04L1/246H04L12/42H04L45/02H04L45/12H04L45/48H04L49/90H04L49/901H04L49/9031H04L49/9073
    • Control of a loop of a fiber-channel arbitrated-loop serial communications channel is maintained (i.e., the loop connection is held open) as long as a minimum amount of data, which optionally is determined by programming (called a “programmable amount of data”), is available for transmission, in order to reduce the overall amount of time spent arbitrating for control of the loop. The improved communications channel system includes a channel node having one or more ports, each port supporting a fiber-channel arbitrated-loop serial communications channel loop, wherein each port arbitrates for control of that port's attached channel loop. The system also includes an arbitration-and-control apparatus to reduce arbitrated-loop overhead, wherein control of the channel loop, once control is achieved by arbitration, is maintained by the arbitration-and-control apparatus as long as a predetermined amount of data is available within control of the node. In addition, a method to reduce arbitrated-loop overhead is described. Control of a serial communications path is maintained (i.e., the connection is held open) as long as a minimum amount of data, which optionally is determined by programming (called a “programmable amount of data”), is available for transmission, in order to reduce the overall amount of time spent opening the connection to the serial communications path. The system includes a serial device having n ports (where n equals one or more), each port supporting a serial communications path. Each port arbitrates for control of that port's attached serial communications path. The system also includes an arbitration-and-control apparatus, wherein control of the serial communications path, once control is achieved, is maintained by the arbitration-and-control apparatus as long as a predetermined amount of data is available within control of the serial device. In addition, a method to reduce connection overhead is described.