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    • 6. 发明申请
    • Application transparent autonomic availability on a storage area network aware file system
    • 应用程序透明自治可用性在存储区域网络感知文件系统上
    • US20060112243A1
    • 2006-05-25
    • US10994149
    • 2004-11-19
    • Gregory McBrideCuong LeDavid Shackelford
    • Gregory McBrideCuong LeDavid Shackelford
    • G06F12/16
    • G06F3/0611G06F3/0617G06F3/064G06F3/067G06F11/1469G06F11/2074G06F11/2094
    • Techniques are provided for locating data. Mapping information for blocks associated with a file is provided. It is determined that a copy service has copied source blocks to target blocks. It is determined whether the mapping information should be updated to refer to the target blocks. Then, updated mapping information is provided in response to determining that the mapping information should be updated to refer to the target blocks. Techniques are also provided for accessing a copy of data when a source of the data is inaccessible. It is determined that source blocks are unavailable. Target blocks that are a copy of the unavailable source blocks are located using data in a metadata store. Indicators pointing to the source blocks are switched to point to the target blocks. Mapping information is updated at one or more client computers to access the target blocks instead of the source blocks.
    • 提供技术来定位数据。 提供了与文件关联的块的映射信息。 确定复制服务已将源块复制到目标块。 确定映射信息是否应该被更新以引用目标块。 然后,响应于确定映射信息应被更新以引用目标块来提供更新的映射信息。 当数据源不可访问时,也提供了访问数据副本的技术。 确定源块不可用。 使用元数据存储中的数据来定位作为不可用源块的副本的目标块。 指向源块的指示器切换到指向目标块。 在一个或多个客户端计算机上更新映射信息以访问目标块而不是源块。
    • 8. 发明申请
    • Self-configuration of source-to-target mapping
    • 源到目标映射的自配置
    • US20050081006A1
    • 2005-04-14
    • US10683179
    • 2003-10-10
    • David ShackelfordGregory McBrideDavid BleaErrol CalderTodd SchlomerJimmie Brundidge
    • David ShackelfordGregory McBrideDavid BleaErrol CalderTodd SchlomerJimmie Brundidge
    • G06F12/00
    • G06F11/2069
    • A computer program for automatically pairing target resources 20 such as volumes or logical units to source resources 20 containing data to be copied. Available target pools 48, 50, 52, 54 of target volumes are determined eligible for copying based on a technical compatibility and a user-defined metric such as recovery point or recovery time. User defined metrics and a policy to implement the metrics may be stored in a medium and selected by a user. The source volumes are prioritized, and progressively larger segments of the eligible target pools are searched for a target volume that satisfies the technical compatibility and user-defined metric. Where subgroups such as nested volumes are present in the source volumes, subgroups are also prioritized for searching. Where no target volume can be paired, the corresponding source volume is marked as processed and a search begins for the next source volume. An output report includes pairings of source to target volumes and source volumes for which no pairing was made.
    • 用于将包含卷或逻辑单元的目标资源20自动配对到包含要复制的数据的源资源20的计算机程序。 基于技术兼容性和用户定义的度量(如恢复点或恢复时间),确定目标卷的可用目标池48,50,52,54符合复制条件。 用户定义的度量和用于实现度量的策略可以存储在介质中并由用户选择。 对源卷进行优先级排序,并搜索满足技术兼容性和用户定义度量标准的目标卷的逐步更大的符合条件的目标池段。 在源卷中存在诸如嵌套卷之类的子组的情况下,子组也被优先进行搜索。 在没有目标卷可配对的情况下,对应的源卷被标记为已处理,并为下一个源卷开始搜索。 输出报告包括源到目标卷和未进行配对的源卷的配对。