US Patent 8635429 Method and apparatus for mapping virtual drives

A method and apparatus for mapping virtual drives is described. In one embodiment, the method for mapping virtual drives comprises processing first locations of a plurality of file system objects within a virtual volume and converting the first locations of the plurality of file system objects within the virtual volume into second locations of the plurality of file system objects relative to a virtual drive of at least one virtual drive, wherein the at least one virtual drive form a portion of the virtual volume.