Information recording apparatus and method for recording information on recording medium

A method for recording information including operations of recording data in a predetermined recording region on a recording medium, and recording an update portion to update the predetermined recording region in accordance with occurrence of the update portion of the data,

• wherein the recording medium includes a temporary storage region for storing the update portion of the data and an update flag region for recording an update flag showing whether the predetermined recording region has been updated with the update portion or has not been updated with the update portion, and
• in update recording with respect to the predetermined recording region, the following operations are performed successively:
• the update portion is recorded in the temporary storage region, the update flag is set in a non-updated state, the update portion is recorded in the predetermined recording region, and the update flag is set in an updated state.

A method for recording information including operations of recording main data that is a main recording subject in a main data region on a recording medium, recording management data for managing recording of the main data in a management data region of the recording medium, and recording an update portion to update the management data region in accordance with occurrence of the update portion of the management data involved in recording in the main data region,

• wherein the recording medium includes a temporary storage region for recording an update portion of the management data and an update flag region for recording an update flag showing whether the management data region has been updated with the update portion or has not been updated with the update portion, and
• in update recording with respect to the management data region, the following operations are performed successively:
• the update portion of the management data is recorded in the temporary storage region, the update flag is set in a non-updated state, the update portion of the management data is recorded in the management data region, and the update flag is set in an updated state.