A recording medium and apparatus and method for managing defective areas
are discussed. According to an embodiment a controller determining
whether or not to replace a defective block with a replacement block when
a writing or reading data to or from the optical recording medium, based
upon a data type to be written or read, and creating a defect list, the
defect list including information to indicate whether or not the
defective block is replaced with a replacement block; and a writing
reading unit, coupled to the controller, to write or read the data to or
from the optical recording medium and storing the defect list to a defect
management area of the optical recording medium, according to a control
of the controller.