Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] unaltered storage unique identifier (UUID) unique identifiers (port IDs) UNIX strong locking upgrading networks upper-layer storing device drivers, multi-pathing upstream upstream addresses storage virtualization 2nd address spaces 2nd applications 2nd management 2nd performance 2nd 3rd 4th pooling 2nd products 2nd reliability 2nd scaling 2nd technologies uptime availability (IEC) utilization DAS UUID (unique identifier) |