Patent ID: 7257064

Claim:
A recording and/or reproducing apparatus to record and/or read data with respect to an information storage medium, the information storage medium comprising a first information storage layer comprising a first optimal power control area, a first reserved area, and a first defect management area, and a second information storage layer comprising a second optimal power control area, a second reserved area, and a second defect management area disposed such that the first optimal power control area of the first information storage layer is aligned with the second reserved area of the second information storage layer, and the second optimal power control area of the second information storage layer is aligned with the first reserved area of the first information storage layer, the recording and/or reproducing apparatus comprising: an optical pickup which records data on and/or reads the data from the information storage medium at an optical power; and a controller which controls the optical pickup to record and/or read the data with respect to the information storage medium, to record defect-related information in the first and/or second defect management areas, and to determine an optimum recording power at which to set the optical power during recording using the first and/or second optimal power control areas.