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    Providing an administrative path for accessing a writeable master storage volume in a mirrored storage environment
    1.
    发明授权
    Providing an administrative path for accessing a writeable master storage volume in a mirrored storage environment 有权
    提供用于访问镜像存储环境中的可写主存储卷的管理路径

    公开(公告)号：US08429368B2

    公开(公告)日：2013-04-23

    申请号：US12129904

    申请日：2008-05-30

    申请人： Michael Eisler ,  Peter F. Corbett ,  Michael L. Kazar ,  Daniel S. Nydick ,  J. Christopher Wagner

    发明人： Michael Eisler ,  Peter F. Corbett ,  Michael L. Kazar ,  Daniel S. Nydick ,  J. Christopher Wagner

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2094

    摘要： A technique provides an administrative path for accessing a writeable master storage volume in a mirrored storage environment. Illustratively, a writeable master storage volume stores a master set of data addressable by a corresponding pathname, and zero or more read-only (e.g., load-balancing) mirrored storage volumes are configured to store a mirrored set of the master set of data, the mirrored set also addressable by the corresponding pathname. Clients may read data from either the master storage volume or one of the mirrored storage volumes (e.g., according to a configured access location, such as a local mirrored volume if one exists) by issuing read requests having the corresponding pathnames. Also, each client may specifically access the master set of data from the master storage volume by issuing an access (e.g., read/write) request having a specified master storage volume pathname prefix prepended to the corresponding pathname.

    摘要翻译： 技术提供了访问镜像存储环境中的可写主存储卷的管理路径。 说明性地，可写主存储卷存储可由对应的路径名寻址的主数据集，并且零个或多个只读（例如，负载平衡）镜像存储卷被配置为存储主组数据的镜像集合， 镜像集也可由相应的路径名寻址。 客户端可以通过发出具有相应路径名的读取请求来从主存储卷或其中一个镜像存储卷读取数据（例如，根据配置的访问位置，例如本地镜像卷，如果存在的话）。 此外，每个客户端可以通过发布具有指定的主存储卷路径名前缀的访问（例如，读/写）请求，从而从主存储卷特别地访问主组数据。

    Write-once-read-many storage system and method for implementing the same
    3.
    发明授权
    Write-once-read-many storage system and method for implementing the same 有权
    一读多读存储系统及其实现方法

    公开(公告)号：US07155460B2

    公开(公告)日：2006-12-26

    申请号：US10391245

    申请日：2003-03-18

    申请人： William P. McGovern ,  Jeffrey L. Heller ,  J. Christopher Wagner

    发明人： William P. McGovern ,  Jeffrey L. Heller ,  J. Christopher Wagner

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30188 ,  G06F3/0643 ,  Y10S707/99952 ,  Y10S707/99953

    摘要： A write-once-read-many (WORM) storage system that employs large-capacity and relatively inexpensive disks in connection with a file system on a file server is provided. The file system contains most or all of the required WORM functionality so as to impose a minimal footprint on client applications, client operating systems and open protocols if desired. The system is organized around WORM storage volumes that contain files that, when committed to WORM storage, cannot be deleted or modified. Any file path or directory tree structure used to identify the file within the WORM volume is locked and cannot be deleted. In one embodiment, the administrator creates a WORM volume, capable of storing designated WORM files. The client then creates an appropriate WORM file using the appropriate protocol semantics. The file is written to the volume and committed by transitioning the file attributes from a not-read-only to a read-only state. The file system recognizes the persistently stored WORM attribute of any file in a WORM volume as WORM file. Henceforth, any attempt to modify the file attributes, write to the file, or delete the file, by clients, administrators or other entities is rejected and a request denied message is returned to the attempting party

    摘要翻译： 提供了一次多次写入（WORM）存储系统，该系统使用与文件服务器上的文件系统相关联的大容量且相对便宜的磁盘。 文件系统包含大部分或全部所需的WORM功能，以便在客户端应用程序，客户端操作系统和开放式协议（如果需要）上施加最小的占用空间。 系统围绕包含文件的WORM存储卷组织，当提交到WORM存储时，不能删除或修改。 用于标识WORM卷中的文件的任何文件路径或目录树结构都被锁定，不能被删除。 在一个实施例中，管理员创建能够存储指定的WORM文件的WORM卷。 然后，客户端使用适当的协议语义创建一个适当的WORM文件。 将文件写入卷并通过将文件属性从非只读状态转换为只读状态来提交。 文件系统将WORM卷中任何文件的持久存储的WORM属性识别为WORM文件。 此后，客户端，管理员或其他实体的任何修改文件属性，写入文件或删除文件的尝试都被拒绝，请求被拒绝的消息被返回给尝试方

    PROVIDING AN ADMINISTRATIVE PATH FOR ACCESSING A WRITEABLE MASTER STORAGE VOLUME IN A MIRRORED STORAGE ENVIRONMENT
    7.
    发明申请
    PROVIDING AN ADMINISTRATIVE PATH FOR ACCESSING A WRITEABLE MASTER STORAGE VOLUME IN A MIRRORED STORAGE ENVIRONMENT 有权
    在镜像存储环境中提供用于访问可写入主存储量的管理路径

    公开(公告)号：US20090024814A1

    公开(公告)日：2009-01-22

    申请号：US12129904

    申请日：2008-05-30

    申请人： Michael Eisler ,  Peter F. Corbett ,  Michael L. Kazar ,  Daniel S. Nydick ,  J. Christopher Wagner

    发明人： Michael Eisler ,  Peter F. Corbett ,  Michael L. Kazar ,  Daniel S. Nydick ,  J. Christopher Wagner

    IPC分类号： G06F12/06

    CPC分类号： G06F11/2094

    摘要： A technique provides an administrative path for accessing a writeable master storage volume in a mirrored storage environment. Illustratively, a writeable master storage volume stores a master set of data addressable by a corresponding pathname, and zero or more read-only (e.g., load-balancing) mirrored storage volumes are configured to store a mirrored set of the master set of data, the mirrored set also addressable by the corresponding pathname. Clients may read data from either the master storage volume or one of the mirrored storage volumes (e.g., according to a configured access location, such as a local mirrored volume if one exists) by issuing read requests having the corresponding pathnames. Also, each client may specifically access the master set of data from the master storage volume by issuing an access (e.g., read/write) request having a specified master storage volume pathname prefix prepended to the corresponding pathname.

    摘要翻译： 技术提供了访问镜像存储环境中的可写主存储卷的管理路径。 说明性地，可写主存储卷存储可由对应的路径名寻址的主数据集，并且零个或多个只读（例如，负载平衡）镜像存储卷被配置为存储主组数据的镜像集合， 镜像集也可由相应的路径名寻址。 客户端可以通过发出具有相应路径名的读取请求来从主存储卷或其中一个镜像存储卷读取数据（例如，根据配置的访问位置，例如本地镜像卷，如果存在的话）。 此外，每个客户端可以通过发布具有指定的主存储卷路径名前缀的访问（例如，读/写）请求，从而从主存储卷特别地访问主组数据。

    Lightweight coherency control protocol for clustered storage system
    8.
    发明授权
    Lightweight coherency control protocol for clustered storage system 有权
    集群存储系统的轻量级一致性控制协议

    公开(公告)号：US07376796B2

    公开(公告)日：2008-05-20

    申请号：US11264601

    申请日：2005-11-01

    申请人： Peter F. Corbett ,  J. Christopher Wagner

    发明人： Peter F. Corbett ,  J. Christopher Wagner

    IPC分类号： G06F12/08

    CPC分类号： G06F12/0815 ,  G06F12/0866 ,  G06F2212/263 ,  G06F2212/284

    摘要： A lightweight coherency control protocol ensures consistency of data containers, such as a file, and associated data buffers stored on one or more volumes served by a plurality of nodes, e.g., storage systems, connected as a cluster. Each data buffer is associated with a current cache sequence number comprising a load generation value and an update count value. The load generation value is incremented every time an inode of a file is loaded into a memory of the storage system. Once the inode is loaded and its load generation value is set, then the appropriate buffer of a buffer tree for the file is loaded into the memory. The update count value is incremented each time the buffer is updated with a write request/operation. Therefore, each buffer loaded into memory is tagged with the load generation value and an update count from the time that buffer is loaded.

    摘要翻译： 轻量级一致性控制协议确保数据容器（例如文件）和存储在由作为集群连接的多个节点（例如存储系统）所服务的一个或多个卷上的相关联的数据缓冲器的一致性。 每个数据缓冲器与包括负载生成值和更新计数值的当前高速缓存序列号相关联。 每当将文件的inode加载到存储系统的存储器中时，负载生成值将增加。 一旦加载了inode并且设置了其负载生成值，则将该文件的缓冲树的适当缓冲区加载到内存中。 每次使用写入请求/操作更新缓冲区时，更新计数值都会递增。 因此，加载到内存中的每个缓冲区都会被加载负载生成值和缓冲区加载时的更新计数。

    Streaming media bitrate switching methods and apparatus
    9.
    发明授权
    Streaming media bitrate switching methods and apparatus 有权
    流媒体比特率切换方法和装置

    公开(公告)号：US07054911B1

    公开(公告)日：2006-05-30

    申请号：US09981672

    申请日：2001-10-16

    申请人： Jason Lango ,  Konstantinos Roussos ,  Robert Tsai ,  J. Christopher Wagner

    发明人： Jason Lango ,  Konstantinos Roussos ,  Robert Tsai ,  J. Christopher Wagner

    IPC分类号： G06F15/16

    CPC分类号： H04L29/06027 ,  H04L65/607 ,  H04L67/2819 ,  H04L67/2842

    摘要： A method for operating a streaming media cache includes receiving a series of streaming media data packets from an upstream server, each of the series of streaming media data packets having media data encoded in one of a plurality of encoding formats, forming bundles of data packets from the series of streaming media data packets, and storing bundles of data packets into a disk memory when every data packet within each bundle have a similar encoding format.

    摘要翻译： 用于操作流媒体缓存的方法包括从上游服务器接收一系列流媒体数据分组，所述一系列流媒体数据分组中的每一个具有以多种编码格式之一编码的媒体数据，从而形成来自 一系列流媒体数据分组，并且当每个分组内的每个数据分组具有相似的编码格式时，将数据分组存储到磁盘存储器中。

    Write-once-read-many storage system and method for implementing the same
    10.
    发明授权
    Write-once-read-many storage system and method for implementing the same 有权
    一读多读存储系统及其实现方法

    公开(公告)号：US08332362B2

    公开(公告)日：2012-12-11

    申请号：US11633805

    申请日：2006-12-05

    申请人： William P. McGovern ,  Jeffrey L. Heller ,  J. Christopher Wagner

    发明人： William P. McGovern ,  Jeffrey L. Heller ,  J. Christopher Wagner

    IPC分类号： G06F7/00 ,  G06F17/00

    CPC分类号： G06F17/30188 ,  G06F3/0643 ,  Y10S707/99952 ,  Y10S707/99953

    摘要： A write-once-read-many (WORM) storage system that employs large-capacity and relatively inexpensive disks in connection with a file system on a file server is provided. The file system contains most or all of the required WORM functionality so as to impose a minimal footprint on client applications, client operating systems and open protocols if desired. The system is organized around WORM storage volumes that contain files that, when committed to WORM storage, cannot be deleted or modified. Any file path or directory tree structure used to identify the file within the WORM volume is locked and cannot be deleted. In one embodiment, the administrator creates a WORM volume, capable of storing designated WORM files. The client then creates an appropriate WORM file using the appropriate protocol semantics. The file is written to the volume and committed by transitioning the file attributes from a not-read-only to a read-only state. The file system recognizes the persistently stored WORM attribute of any file in a WORM volume as WORM file. Henceforth, any attempt to modify the file attributes, write to the file, or delete the file, by clients, administrators or other entities is rejected and a request denied message is returned to the attempting party.

    摘要翻译： 提供了一次多次写入（WORM）存储系统，该系统使用与文件服务器上的文件系统相关联的大容量且相对便宜的磁盘。 文件系统包含大部分或全部所需的WORM功能，以便在客户端应用程序，客户端操作系统和开放式协议（如果需要）上施加最小的占用空间。 系统围绕包含文件的WORM存储卷组织，当提交到WORM存储时，不能删除或修改。 用于标识WORM卷中的文件的任何文件路径或目录树结构都被锁定，不能被删除。 在一个实施例中，管理员创建能够存储指定的WORM文件的WORM卷。 然后，客户端使用适当的协议语义创建一个适当的WORM文件。 将文件写入卷并通过将文件属性从非只读状态转换为只读状态来提交。 文件系统将WORM卷中任何文件的持久存储的WORM属性识别为WORM文件。 此后，客户端，管理员或其他实体的任何修改文件属性，写入文件或删除文件的尝试都被拒绝，请求被拒绝的消息被返回给尝试方。