A. multiple AIT (Advanced Intelligent Tape) drives configured for each server
B. a standalone LTO (Linear Tape-Open) drive configured for all servers
C. standalone DAT (Digital Audio Tape) drives configured for each server
D. a tape library unit with more then one DAT (Digital Audio Tape) drive configured for all servers
E. a tape library unit with more the one SDLT (SuperDLT) drive configured for all servers