A HIGH-RELIABILITY, HIGH AVAILABILITY DATA STORAGE DEVICE IN THE FIELD OF DATA PROCESSING AND COMPUTERS (CLASS 9) THE DEVICE CONSISTS OF A REDUNDANT ARRAY OF INDEPENDENT DISK (RAID) WITH CONTROLLER, WHICH MAY CONSIST OF ONE OR MORE HARD DISK DRIVES AND ONE OR MORE COMPUTER INTERFACE CARDS THAT MAY BE CONNECTED TO ONE OR MORE HOST COMPUTERS

computer hardware and software, and manuals sold as a unit, for data storage or for controlling data storage devices