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    • 79. 发明授权
    • Shared file system
    • 共享文件系统
    • US08533295B2
    • 2013-09-10
    • US12779075
    • 2010-05-13
    • Steven R. Soltis
    • Steven R. Soltis
    • G06F15/173
    • G06F17/30194Y10S707/99931
    • A shared storage distributed file system is presented that provides users and applications with transparent access to shared data stored on network attached storage devices by utilizing layering techniques to inherit file management functionality from existing file systems. The present invention stores meta-data for the shared data as real-data in a standard, non-modified, client-server distributed file system, such as NFS. In effect, the standard client-server file system acts as a meta-data server. The name space consisting of inode files stored as real-data on the meta-data server acts as the name space for the shared data. Similarly, file attributes of the inode files are utilized as the file attributes of the shared data. By utilizing an existing client-server system as the meta-data server, development time and complexity are greatly reduced, while speed advances in the underlying client-server system may be incorporated without alteration of the present invention. A method for communicating with network attached storage devices over layered file systems is also presented.
    • 提出了一种共享存储分布式文件系统,其通过利用分层技术从现有文件系统继承文件管理功能,为用户和应用程序透明地访问存储在网络附加存储设备上的共享数据。 本发明将共享数据的元数据作为实际数据存储在诸如NFS的标准的未修改的客户机 - 服务器分布式文件系统中。 实际上,标准的客户机 - 服务器文件系统充当元数据服务器。 由元数据服务器上存储为实数的inode文件组成的名称空间作为共享数据的名称空间。 类似地,将inode文件的文件属性用作共享数据的文件属性。 通过利用现有的客户端 - 服务器系统作为元数据服务器,开发时间和复杂性大大降低,而在底层的客户机 - 服务器系统中的速度提高可以并入而不改变本发明。 还提出了一种通过分层文件系统与网络连接的存储设备进行通信的方法。