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    • 3. 发明授权
    • Message based file system
    • 基于消息的文件系统
    • US07752241B1
    • 2010-07-06
    • US10994740
    • 2004-11-22
    • Kevin J. ClarkeRobert GittinsRichard S. Brown
    • Kevin J. ClarkeRobert GittinsRichard S. Brown
    • G06F12/00G06F17/30
    • G06F17/30194G06F9/5016G06F9/544G06F9/546
    • File system components of a messaged based file system may perform different functions of the file system and may communicate through a file system-independent message interface to fulfill file I/O naming requests. A file system component may receive a message from another file system component and in response may perform a sub-function of the file system and then may send another message to a file system component to perform another function of the file system. File system components may each operate on separate devices or multiple file system components may execute on a single device. File system components may also communicate using messaging components that in turn may communicate with other messaging components according to the file system-independent message interface. A single messaging component may be configured to communicate with multiple file system components on a single device. Alternatively, each file system component may communicate through a single, paired messaging component.
    • 基于邮件的文件系统的文件系统组件可以执行文件系统的不同功能,并且可以通过与文件系统无关的消息接口进行通信,以实现文件I / O命名请求。 文件系统组件可以从另一文件系统组件接收消息,并且作为响应可以执行文件系统的子功能,然后可以向文件系统组件发送另一消息以执行文件系统的另一功能。 文件系统组件可以各自在单独的设备上操作,或者多个文件系统组件可以在单个设备上执行。 文件系统组件还可以使用消息传送组件来进行通信,消息组件又可以根据与文件系统无关的消息接口与其他消息组件进行通信。 单个消息传递组件可以被配置为在单个设备上与多个文件系统组件进行通信。 或者,每个文件系统组件可以通过单个配对的消息传送组件进行通信。
    • 4. 发明申请
    • Failure trend detection and correction in a data storage array
    • 数据存储阵列中的故障趋势检测和校正
    • US20060200726A1
    • 2006-09-07
    • US11070942
    • 2005-03-03
    • Robert GittinsRobert Lester
    • Robert GittinsRobert Lester
    • G11C29/00
    • G06F11/0751G06F11/0727G06F11/0793G11B27/36G11B2220/2516G11B2220/41
    • Method and apparatus for detecting and correcting parametric failure trends in a data storage array. A plurality of data storage devices, such as hard disc drives, are arranged to form a multi-device addressable memory array space. A controller controls access to the array space, and is configured to accumulate operational performance data from each of the devices into a history log. A statistical analysis engine of the controller analyzes the data to detect anomalous operation of the devices, including a horizontal analysis of data across multiple devices. The controller initiates a data storage device specific corrective action event in response to the analysis, as required. The analysis by the engine can be in addition to, or in lieu of, analysis by the individual devices. A data request block requests additional data samples for a given parameter, or requests additional parametric data to further the analysis.
    • 用于检测和校正数据存储阵列中的参数故障趋势的方法和装置。 多个数据存储设备(诸如硬盘驱动器)被布置成形成多设备可寻址存储器阵列空间。 控制器控制对阵列空间的访问,并且被配置为将来自每个设备的操作性能数据累积到历史记录日志中。 控制器的统计分析引擎分析数据以检测设备的异常操作,包括横跨多个设备的数据分析。 根据需要,控制器根据分析启动特定的数据存储设备的纠正措施事件。 发动机的分析可以是各个装置的分析或替代分析。 数据请求块向给定参数请求附加数据样本,或请求附加参数数据以进一步分析。
    • 6. 发明授权
    • Method and apparatus for recovering from failure of a mirrored boot device
    • 用于从镜像引导设备的故障中恢复的方法和装置
    • US06785838B2
    • 2004-08-31
    • US09782572
    • 2001-02-13
    • Swee Boon LimDevendra R. JaisinghaniSanjay G. NadkarniRobert Gittins
    • Swee Boon LimDevendra R. JaisinghaniSanjay G. NadkarniRobert Gittins
    • G06F1100
    • G06F11/1417G06F11/2064G06F11/2069G06F11/2082
    • A system and method are provided for recovering from the failure of a mirrored boot device (e.g., disk drive). One method is implemented for a computer system that mirrors two (or more) boot devices. If one of the devices fails, a set of compensating activities is performed, which may include removing the failed device from the list of devices from which the system may boot, deleting mirror state data from the device and removing the failed device from the mirroring scheme. After the failed device is repaired or replaced, a set of reintegrating activities is performed, which may include including the device in the mirroring scheme, restoring mirror state data to the device and adding the device to the list of boot devices. Even if the system includes only two mirrored boot devices and one of them fails, it can continue operation and can reboot successfully without using stale data.
    • 提供了用于从镜像的引导设备(例如,磁盘驱动器)的故障中恢复的系统和方法。 对于反映两个(或多个)引导设备的计算机系统实现一种方法。 如果其中一个设备出现故障,则执行一组补偿活动,其中可能包括从系统启动的设备列表中删除故障设备,从设备中删除镜像状态数据,并从镜像方案中删除故障设备 。 在故障设备被修复或更换之后,执行一组重新整合活动,其可以包括将设备包括在镜像方案中,将镜像状态数据恢复到设备并将设备添加到引导设备列表中。 即使系统只包含两个镜像引导设备,其中一个引导失败,它可以继续运行,并且可以成功重新启动,而不使用过时的数据。