DISK ARRAY CONTROLS, DISK ARRAY SYSTEMS, NETWORK STORAGE SERVERS, COMPUTER HARDWARE, COMPUTER SOFTWARE, DATA STORAGE MACHINES, DATA PROCESSORS, DATA READERS, DISK STORAGE MACHINES, ELECTRONIC DATA PROCESSORS, RANDOM ACCESS STORAGE DEVICES, PROGRAMMABLE DATA ACCESS MACHINES, MEMORY DEVICES FOR COMPUTER INFORMATION STORAGE, MAGNETIC DATA CARRIERS FOR RECORDING COMPUTER PROGRAMS, DATA CARRIERS, NETWORK COMPUTER HARDWARE EQUIPMENT, INTERFACE CARDS FOR COMPUTERS