Dell SC8000 - Page 99

Connect EN-SASx6x12/24 Enclosures
Dell Compellent 89
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 82. Dual SC8000 Controllers, Two Enclosures, Two Chains
Path Connections
Chain1:ASide 1 Controller A:slot6,port1→Enclosure1:topSBB,portC.
2Enclosure1:topSBB,portB→Enclosure2:topSBB,port A.
3Enclosure2:topSBB,portC→ControllerB:slot6,port3.
Chain1:BSide 1 ControllerA:slot5,port 3→Enclosure2:
bottomSBB,portC.
2Enclosure2:bottomSBB,portB→Enclosure1:bottomSBB,portA.
3Enclosure1:bottomSBB,portC→ControllerB:slot5,port 1.
Chain2:ASide 1 Controller A:slot6port 3→Enclosure3:topSBB,portC.
2Enclosure3:topSBB,portB→Enclosure4:
topSBB,port A.
3Enclosure4:topSBB,portC→ControllerB:slot6,port1.
Chain2:BSide 1 Controller A:slot5port1→Enclosure4:bottomSBB,portC.
2Enclosure4:bottomSBB,portB→Enclosure3:bottomSBB,portA.
3Enclosure3:bottomSBB,portC→ControllerB:
slot5,port 3.
4 3 2 1
4
3 21
Controller A
Controller B
Enclosure 1
Enclosure 2
Enclosure 3
Enclosure 4