Buffalo announced a system update for its network recorder “nasne” on July 14th. With this update, the data failure prediction function “Mimamori Signal for nasne” that can check the deterioration status of the internal HDD in real time will be available. With the check function using the HDD self-diagnosis function “SMART”, when deterioration or failure is detected, the front lamp of the main unit is overturned and notified, and it can also be confirmed from the UI screen. In addition, the recorded data migration service “Recorded program moving service for nasne” that migrates the recorded program data to a new HDD, and the data recovery service “Buffalo regular data recovery” that recovers when the data cannot be read or started. “Service” is also provided (both are provided for a fee).