| 摘要 |
A optical storage disk provides multiple logical disks without the need to physically alter the structure of the optical storage disk. According to one example embodiment of the present invention, a dual-layer data disk is adapted to store data in each of two layers readable by an optical disk reader. A first region of the disk includes data recorded for a first logical disk, and a second region is adapted to store data for a second logical disk, and the first and second regions are located on the two layers. Each of the data logical disks includes a lead-in region and a lead-out region and for data therebetween traversing each of the two layers. The lead-out region of the first logical disk stores pointing data which points to the lead-in region of second logical disk, and the logical disks are not necessarily physically contiguous.
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