Remote backup system of hard-disk based digital video recorder

The invention relates to a multi-address remote backup system of a hard-disk based digital video recorder, and belongs to the technical field of designs of hard-disk based digital video recorders. The multi-address remote backup system comprises a hard-disk based digital video recorder body and a body hard disk arranged in the hard-disk based digital video recorder body, and is characterized by further comprising remote storage devices, and a remote storage unit and a remote ISCSI (internet small computer system interface) are arranged on each remote storage device; and an image processing unit and a body ISCSI are arranged on the hard-disk based video recorder body. A central processing unit is arranged on the hard-disk based digital video recorder body, a player or a video interface is arranged on each remote storage device, the players are used for playing image data of the remote storage units, and the video interfaces are used for being connected with external players. The multi-address remote backup sys