Patent ID: 7177530

Claim:
A recording and reproduction apparatus comprising: a hard disk for holding data; a file system for controlling recording of data into the hard disk and reproduction of data from the hard disk; and a plurality of processors for performing accesses to the data in the hard disk, wherein the file system includes a plurality of internal buffers for temporarily holding data transferred between the plurality of processors and the hard disk, the plurality of internal buffers being for respective kinds of accesses to a same file executed at a same time between the plurality of processors and the hard disk, the plurality of internal buffers includes a buffer for random access, a buffer for recording, and a buffer for reproduction, and the buffer for random access is operable to be accessed in random order simultaneously with one of the buffer for recording and the buffer for reproduction, both of which are operable to be accessed in sequential order, when different kinds of accesses to the same file are performed.