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    Methods and apparatus for secure modification of a retention period for data in a storage system
    21.
    发明授权
    Methods and apparatus for secure modification of a retention period for data in a storage system 有权
    用于安全地修改存储系统中数据的保留期的方法和装置

    公开(公告)号：US07249251B2

    公开(公告)日：2007-07-24

    申请号：US10762043

    申请日：2004-01-21

    申请人： Stephen J. Todd ,  Michael Kilian

    发明人： Stephen J. Todd ,  Michael Kilian

    IPC分类号： G06F9/00

    CPC分类号： G06F17/30085 ,  G06F3/0622 ,  G06F3/0637 ,  G06F12/0261 ,  G06F21/604

    摘要： One embodiment is a method and apparatus for modifying retention periods in a storage system, in which previously defined retention periods for units of data may be reduced. In another embodiment, the retention period of a unit of data may be modified in response to the occurrence of an event by renewing previously defined retention periods until the occurrence of the event is detected. If the occurrence of the event is detected, a retention period associated with that event may be established for the unit of data. In yet another embodiment, retention classes are used to define retention periods for units of data so that the retention period of a unit of data may be modified without modifying the unit of data itself. In a further embodiment, a request to the storage system to reduce a retention period includes authentication information that the storage system may use to verify the request.

    摘要翻译： 一个实施例是用于修改存储系统中的保留周期的方法和装置，其中可以减少用于数据单元的先前定义的保留期。 在另一个实施例中，可以通过更新先前定义的保留时段来响应于事件的发生来修改数据单元的保留期，直到检测到事件的发生。 如果检测到事件的发生，则可以针对数据单元建立与该事件相关联的保留期。 在另一个实施例中，保留类别用于定义数据单元的保留期，使得可以在不修改数据单元本身的情况下修改数据单元的保留期。 在另一实施例中，对存储系统的减少保留期限的请求包括存储系统可用于验证请求的认证信息。

    Methods and apparatus for mounting a file system
    22.
    发明授权
    Methods and apparatus for mounting a file system 有权
    安装文件系统的方法和装置

    公开(公告)号：US07958101B1

    公开(公告)日：2011-06-07

    申请号：US11324726

    申请日：2006-01-03

    申请人： Tom Teugels ,  Stephen J. Todd ,  Jan F. Van Riel ,  Michael Kilian

    发明人： Tom Teugels ,  Stephen J. Todd ,  Jan F. Van Riel ,  Michael Kilian

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30091 ,  G06F17/30126

    摘要： One aspect involves mounting a file system stored on a CAS system. The file system has a directory structure that includes a plurality of directories arranged in a hierarchy and including a root directory at the top of the hierarchy. Each of the directories is represented by a content unit stored on the CAS system, the content unit having a content address that is computed based, at least in part, on at least a portion of the content of the content unit. The file system is mounted by specifying the content address of the content unit that represents the root directory and determining the file system to be mounted based on the content address of the content unit that represents the root directory.

    摘要翻译： 一个方面涉及安装存储在CAS系统上的文件系统。 文件系统具有目录结构，该目录结构包括分层次排列的多个目录，并且在层次结构的顶部包括根目录。 每个目录由存储在CAS系统中的内容单元表示，内容单元具有至少部分地基于内容单元的内容的至少一部分来计算的内容地址。 通过指定表示根目录的内容单元的内容地址并基于表示根目录的内容单元的内容地址来确定要安装的文件系统来安装文件系统。

    Methods and apparatus for managing the replication of content
    23.
    发明授权
    Methods and apparatus for managing the replication of content 有权
    用于管理内容复制的方法和装置

    公开(公告)号：US07765191B2

    公开(公告)日：2010-07-27

    申请号：US11107194

    申请日：2005-04-15

    申请人： Philippe Armangau ,  Stephen J. Todd ,  Michael Kilian

    发明人： Philippe Armangau ,  Stephen J. Todd ,  Michael Kilian

    IPC分类号： G06F7/00 ,  G06F17/00 ,  G06F13/00 ,  G06F13/28

    CPC分类号： G06F17/30215 ,  G06F17/30091 ,  G06F17/30221

    摘要： One embodiment of the invention is directed to providing a single instance storage capability in a content addressable computer system that stores content units in a time-based directory structure. Another embodiment is directed to managing access to content units that do not include a timestamp in their content addresses, in a time-based directory structure. A further embodiment is directed to accessing replicated content units stored on a computer, based on a time of replication. A further embodiment is directed to employing a bitmap in a time-based directory structure which may be used to indicate whether any content units stored during a specified time range are stored in the directory structure.

    摘要翻译： 本发明的一个实施例涉及在内容可寻址计算机系统中提供单个实例存储能力，该内容可寻址计算机系统将内容单元存储在基于时间的目录结构中。 另一个实施例涉及在基于时间的目录结构中管理对其内容地址中不包括时间戳的内容单元的访问。 另一实施例涉及基于复制时间来访问存储在计算机上的复制内容单元。 进一步的实施例涉及在基于时间的目录结构中采用位图，其可以用于指示在指定时间范围内存储的任何内容单元是否存储在目录结构中。

    Methods and apparatus for forwarding access requests in a content addressable computer system
    25.
    发明授权
    Methods and apparatus for forwarding access requests in a content addressable computer system 有权
    在内容可寻址计算机系统中转发访问请求的方法和装置

    公开(公告)号：US07428611B1

    公开(公告)日：2008-09-23

    申请号：US10837311

    申请日：2004-04-30

    申请人： Stephen J. Todd ,  Michael Kilian

    发明人： Stephen J. Todd ,  Michael Kilian

    IPC分类号： G06F12/00

    CPC分类号： H04L67/1097 ,  G06F11/2074 ,  G06F11/2076 ,  G06F11/2087

    摘要： Embodiments of the present invention are directed to a method and apparatus for receiving an input/output (I/O) request from a host computer that specifies an operation to be performed on a content addressable storage (CAS) system and determining which operation is specified by the request before receipt of the I/O request by a content addressable storage system. In another embodiment, an I/O request from a host computer is received by a first CAS which determines if the request is to be processed by another CAS system. When it is determined that the request is to be processed by another CAS system, the first CAS system may forward the request to the other CAS system. In another embodiment, an appliance receives an I/O request from a host computer to perform an operation that accesses a unit of content. The appliance may set up a communication session between the host and a CAS system so that the unit of content may be transmitted between the host and the CAS system without passing through the appliance.

    摘要翻译： 本发明的实施例涉及一种用于从主计算机接收指定要对内容可寻址存储（CAS）系统执行的操作并确定指定了哪个操作的输入/输出（I / O）请求的方法和装置 通过内容可寻址存储系统接收到I / O请求之前的请求。 在另一实施例中，来自主计算机的I / O请求由第一CAS接收，其确定该请求是否由另一CAS系统处理。 当确定请求由另一个CAS系统处理时，第一个CAS系统可以将该请求转发给另一个CAS系统。 在另一个实施例中，设备从主计算机接收I / O请求以执行访问内容单元的操作。 设备可以在主机和CAS系统之间建立通信会话，使得可以在主机和CAS系统之间传送内容单元而不通过设备。

    Granting access to a content unit stored on an object addressable storage system
    26.
    发明授权
    Granting access to a content unit stored on an object addressable storage system 有权
    授予存储在对象可寻址存储系统上的内容单元的访问权限

    公开(公告)号：US08346926B1

    公开(公告)日：2013-01-01

    申请号：US13025967

    申请日：2011-02-11

    申请人： Jan F. Van Riel ,  Tom Teugels ,  Michael Kilian ,  Stephen J. Todd

    发明人： Jan F. Van Riel ,  Tom Teugels ,  Michael Kilian ,  Stephen J. Todd

    IPC分类号： G06F15/173

    CPC分类号： G06F21/6218

    摘要： Aspects of the invention relate to sharing content stored on an object addressable storage (OAS) system among a plurality of users of the OAS system and authenticating users to an OAS system. In some embodiments, a user may store content units on the OAS system and control access by other users to these content units. In some embodiments, when a user grants one or more other users access to a content unit stored on the OAS system, the OAS system may send a notification of grant of access to the other user(s).

    摘要翻译： 本发明的方面涉及在OAS系统的多个用户之间共享存储在对象可寻址存储（OAS）系统上的内容，并向OAS系统认证用户。 在一些实施例中，用户可以在OAS系统上存储内容单元并且控制其他用户对这些内容单元的访问。 在一些实施例中，当用户授权一个或多个其他用户访问存储在OAS系统上的内容单元时，OAS系统可以向另一个用户发送授权访问的通知。

    Protecting a file system on an object addressable storage system
    28.
    发明授权
    Protecting a file system on an object addressable storage system 有权
    保护对象可寻址存储系统上的文件系统

    公开(公告)号：US08010543B1

    公开(公告)日：2011-08-30

    申请号：US11807049

    申请日：2007-05-25

    申请人： Philippe Armangau ,  Michael Kilian ,  Stephen J. Todd

    发明人： Philippe Armangau ,  Michael Kilian ,  Stephen J. Todd

    IPC分类号： G06F7/00

    CPC分类号： G06F17/30088

    摘要： Aspects of the invention relate to creating a snapshot of a file system on an OAS system. A snapshot of a file system is an image of a file system at a particular point in time. A snapshot of a file system may be used to restore the file system to its state at the time of creation of the snapshot in, for example, situations where the file system has become corrupted.

    摘要翻译： 本发明的方面涉及在OAS系统上创建文件系统的快照。 文件系统的快照是特定时间点的文件系统的映像。 可以使用文件系统的快照来将文件系统恢复到在例如文件系统已经损坏的情况下创建快照时的状态。

    Methods and apparatus for indirectly identifying a retention period for data in a storage system
    29.
    发明授权
    Methods and apparatus for indirectly identifying a retention period for data in a storage system 有权
    用于间接识别存储系统中数据的保留期限的方法和装置

    公开(公告)号：US07801920B2

    公开(公告)日：2010-09-21

    申请号：US10762036

    申请日：2004-01-21

    申请人： Stephen J. Todd ,  Michael Kilian

    发明人： Stephen J. Todd ,  Michael Kilian

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30085 ,  G06F17/30312

    摘要： One embodiment is a method and apparatus for modifying retention periods in a storage system, in which previously defined retention periods for units of data may be reduced. In another embodiment, the retention period of a unit of data may be modified in response to the occurrence of an event by renewing previously defined retention periods until the occurrence of the event is detected. If the occurrence of the event is detected, a retention period associated with that event may be established for the unit of data. In yet another embodiment, retention classes are used to define retention periods for units of data so that the retention period of a unit of data may be modified without modifying the unit of data itself. In a further embodiment, a request to the storage system to reduce a retention period includes authentication information that the storage system may use to verify the request.

    摘要翻译： 一个实施例是用于修改存储系统中的保留周期的方法和装置，其中可以减少用于数据单元的先前定义的保留期。 在另一个实施例中，可以通过更新先前定义的保留时段来响应于事件的发生来修改数据单元的保留期，直到检测到事件的发生。 如果检测到事件的发生，则可以针对数据单元建立与该事件相关联的保留期。 在另一个实施例中，保留类别用于定义数据单元的保留期，使得可以在不修改数据单元本身的情况下修改数据单元的保留期。 在另一实施例中，对存储系统的减少保留期限的请求包括存储系统可用于验证请求的认证信息。