Patent ID: 7711982
Filing Date: 2010-05-04
Classification: G11B

Abstract:
1. A system for managing defective blocks of an optical recording medium, the system comprising: a host device configured to transmit a write or read command and data to be written or to receive data based on the read command; and a recording/reproducing device, operatively coupled to the host device via an interface, and configured to control a write or read operation in response to the write or read command from the host device, said recording/reproducing device comprising: a controller configured to identify whether the data received from the host device requires a real time recording to determine whether or not to replace a defective block with a replacement block based upon the identifying whether the data received from the host device requires the real time recording, and to create a defect list, the defect list including indication information to indicate whether or not the defective block is replaced with a replacement block; and a writing/reading unit, coupled to the controller, configured to write or read the data to or from the optical recording medium and to store the defect list to a defect management area of the optical recording medium, according to a control of the controller, wherein the recording/reproducing device is configured to transmit a report in response to the writing or reading operation to the host device via the interface and the host device is configured to receive the report from the recording/reproducing device via the interface, during or after the write or read operation.