Dell SC8000 - Dual Controllers, Four Enclosures, Two Chains

Connect SC200/SC220 Enclosures
Dell Compellent 73
Dual Controllers, Four Enclosures, Two Chains
Thisillustration showstwoSC8000controllerscabledtotwoSASenclosures.Each 
enclosureisonaseparatechain.Whentwochainsareused,IPCisoptional.
Figure 71. Dual SC8000 Controllers, Four Enclosures, Two Chains
Path Connections
Chain1:ASide 1 Controller A:slot6,port1→Enclosure1:topEMM,portA.
2Enclosure1:topEMM,portB→Enclosure2:topEMM,portA.
3Enclosure2:topEMM,portB→ControllerB:slot6,port3.
Chain1:BSide 1 Controller B:slot5,port1→Enclosure
1:bottomEMM,portA.
2Enclosure1:bottomEMM,portB→Enclosure2:bottomEMM,portA.
3Enclosure2:bottomEMM,portB→ControllerA:slot5,port3.
Chain2:ASide 1 Controller A:slot6,port 3→Enclosure3:topEMM,portA.
2Enclosure3:topEMM,portB→
Enclosure4:topEMM,portA.
3Enclosure4:topEMM,portB→ControllerB:slot6,port1.
Controller A
Controller B
Enclosure 1
Enclosure 2
Enclosure 3
Enclosure 4
4 3 21
4 3 214 3 21
4 3 21
AB
AB
AB
AB
AB
AB
AB
AB