Chapter 3 Connect the Back End
68 Storage Center SC8000 Controller Deployment Guide
Dual Controllers, One Enclosure, Single Chain
Thisillustration showstwoSC8000controllerscabledtooneSASenclosureinasingle
chain.
Figure 67. Dual SC8000 Controllers, One Enclosure, One Chain
Note: Inasingle‐chainconfiguration,useSASports2(initiator)and4(target)to
createaredundantIPCconnection.WhenyouconfiguretheseportsusingtheIO
portwizard,settheportPurposetoUnknown.
Path Connections
IPC 1 ControllerA:slot6,port2→ControllerB:slot6,port4.
2 ControllerB:slot6,port2→ControllerA:slot6,port 4.
Chain1:ASide 1 ControllerA:slot6,port1→Enclosure:topEMM,portA.
2Enclosure:topEMM,portB→Controller B:slot6,port3.
Chain
1:BSide 1 ControllerB:slot6,port1→Enclosure:bottomEMM,portA.
2Enclosure:bottomEMM,portB→ControllerA:slot6,port3.
Enclosure
Controller A
Controller B
4 3 21
A
AB
B
4 3 21