Dell EqualLogic PS6100 series Configuration Manual page 85

only one half of the available controller ports. The diagrams in Figure 26 and Figure 27 show how to
connect these arrays to accomplish this.
Note: The example configurations shown in this section only apply to the PS4100 and
PS6100 family arrays and are recommended only when you do not have available SAN
switch ports necessary to support fully cabled configurations.
Figure 26 Minimum cabling scenario: PS4100
March 2013 Dell EqualLogic Configuration Guide v14.1 7-76