STORAGE APPARATUS OF NETWORK VIDEO RECORDER

摘要

PURPOSE: A storage device of a network based video recorder is provided to supply a real time photographing environment even though an unexpected error occurs in system data. CONSTITUTION: A file system(310) generates a code word by channel coding to restore media data. The file system restores lost data by using the code word. The file system writes a copy of system data in a separate second storage medium. The file system restores lost data of the system using the copy.