Patent ID: 7581137

Claim:
The storage apparatus, which provides a storage region to a host machine, said storage apparatus comprising at least one data processing board, wherein said data processing board comprises: at least one power supply part, which supplies power to a load; a detection part, which detects the operating state of said power supply part, and outputs a signal; at least one or more power supply control part, which controls the operation of said power supply part based on a signal from said detection part; a storage part for storing monitoring results; and an auxiliary power supply part for enabling writing information into said storage cart even when the operation of said power supply part has been shut down, and wherein: said power supply control part is constituted so as to monitor the operating state of said power supply part, store the results of monitoring in said storage part, and shut down the operation of said power supply Part when a failure is detected in said power supply part; and said power supply control part monitors the operating state of said power supply part at regular intervals, and stores the results of monitoring in said storage part.