Patent ID: 7734701

Claim:
A method to write information to an information storage medium comprising a plurality of storage blocks using an interconnected networked attached storage device comprising a first file system, a first file system driver, a second file system, and a second file system driver, comprising the steps of: opening a first file from said first file system with write permission; providing a second file comprising said entire first file system; locating a first Extent Descriptor associated with said second file, wherein said Extent Descriptor comprises a physical block starting address; determining if said physical block starting address comprises a fictitious address which does not point to allocated physical storage blocks comprising a contiguous region of data; operative if said physical block starting address comprises a fictitious address that does not point to allocated physical storage blocks comprising a contiguous region of data, allocating to said second file one or more storage blocks of said information storage medium; and writing said first file to said one or more allocated storage blocks.