Patent ID: 8776151

Claim:
A remote storage digital video recorder (RS-DVR) system comprising: a network interface to communicate data between the RS-DVR system and a plurality of subscriber systems via a network; a file system module coupled to the network interface; an ingest agent coupled to the file system module to receive encoded media segments that represent media content files encoded at a plurality of different bitrates; and a plurality of memory storage devices coupled to the file system to store the encoded media segments, each of the plurality of memory storage devices being divided into a plurality of allocation units to store the encoded media segments, and each of the plurality of memory storage devices storing a respective index table comprising entries for at least some of the plurality of allocation units; wherein: each of the entries comprises descriptive data that characterizes one or more encoded media segments stored in the respective allocation units; each allocation unit comprises a respective consistency check field that contains at least some of the descriptive data; the respective consistency check field for a respective allocation unit contains the at least some of the descriptive data that characterizes one or more encoded media segments stored in the respective allocation unit; and each allocation unit including a first instantiation of the respective consistency check field located at a beginning section of the respective allocation unit and a second instantiation of the respective consistency check field located at an ending section of the respective allocation unit.