Write-once optical disc, and method and apparatus for recrding management information thereon

Write-once optical recording medium, and provides a method and apparatus for recording management information on an optical recording medium of the write-once. The record medium includes SRR information in at least one recording layer and the at least one recording layer. The SRR information are associated to at least one SRR, and a header portion, SRR entry list, the end display portion. Wherein the SRR entry list including a plurality of SRR entry, each SRR entry may be associated with a single SRR, it comprises at least one status area to store session start information. Medium, Blu-ray Disc, SRR, sessions,