IBM System Storage DCS3700 - Example of a Dual Fibre Channel SAN Fabric; Example of Two Storage Subsystems in a Dual

In the following illustration, the Fibre Channel switches are not connected together. Each switch forms its
own SAN fabric.
Figure 44. Example of a dual Fibre Channel SAN fabric configuration
Figure 45. Example of two storage subsystems in a dual Fibre Channel SAN environment
64 IBM System Storage DCS3700: Installation, User, and Maintenance Guide