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11. 发明授权

US08463825B1 Hybrid file system for virtual machine storage 有权
标题翻译：用于虚拟机存储的混合文件系统
公开(公告)号：US08463825B1
公开(公告)日：2013-06-11
申请号：US13094682
申请日：2011-04-26
申请人： Kieran J. Harty , Mark G. Gritter , Raj A. Sudarsanam , Zubin D. Dittia , Brandon W. Salmon , Vyacheslav V. Malyugin
发明人： Kieran J. Harty , Mark G. Gritter , Raj A. Sudarsanam , Zubin D. Dittia , Brandon W. Salmon , Vyacheslav V. Malyugin
IPC分类号： G06F17/30 , G06F13/00
CPC分类号： G06F17/30233 , G06F3/0605 , G06F3/0647 , G06F3/0685
摘要： A data storage system is disclosed, including: a first storage device of a first storage device type, a second storage device of a second storage device type, and a processor configured to implement a hybrid file system configured to store each of a plurality of data values in at least a corresponding primary location, which for a given data value may be in either the first storage device or the second storage device; wherein the hybrid file system is configured to use a first access approach optimized based on a first access attribute of the first storage device type to interact with the first storage device and a second access approach optimized based on a second access attribute of the second storage device type to interact with the second storage device. Reading data is disclosed, including: determining that a storage location on a first tier storage from which a requested data was written back to a second tier storage has not been reclaimed by a garbage collection associated with the first tier storage, and retrieving the data from the storage location on the first tier storage.
摘要翻译：公开了一种数据存储系统，包括：第一存储设备类型的第一存储设备，第二存储设备类型的第二存储设备和被配置为实现被配置为存储多个数据中的每一个的混合文件系统的处理器至少对应的主要位置的值，对于给定的数据值可以在第一存储设备或第二存储设备中; 其中所述混合文件系统被配置为使用基于所述第一存储设备类型的第一访问属性优化的第一访问方法来与所述第一存储设备交互，以及基于所述第二存储设备的第二访问属性优化的第二访问方法类型以与第二存储设备交互。公开了读取数据，包括：确定在第一层存储器上存储所请求的数据被写回第二层存储器的存储位置尚未被与第一层存储相关联的垃圾收集回收，并且从第一层存储上的存储位置。

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