FIELD: information technologies.
SUBSTANCE: unitary record optical disk and the method, and the device for allocation of the backup area on a unitary record optical disk are announced. The method includes data area selection on the unitary record media and selection of the user data in the data area on the recording medium and, at least, one backup area having variable size. Thereat, the maximum recording capacity of, at least, one backup area on the recording media is less than maximum recording capacity of, at least, one variable backup area on an rewritable optical disk.
EFFECT: improved recording method.
42 cl, 8 dwg
