Configuration limitations
| Maximum supported number of tape devices | 1024 |
| Maximum supported number of HBA ports | 16 (8 dual-port, 4 quad-port) |
| Maximum supported number of paths for a device (DPF/CPF) | 16/16 |
| Maximum LUNs per system | 256 |
Every attached tape or library device uses a certain amount of resources. The user must consider resources such as physical memory and virtual space on the system, which might further limit the number of devices that can be attached.