Chapter 3 Connect the Back End
78 Storage Center SC8000 Controller Deployment Guide
Dual Controller, Single SC280 Enclosure
Thisillustration showstwoSC8000controllerscabledtooneSC280enclosureinasingle
chain.
Figure 75. Dual SC8000 Controllers, One SC280 Enclosure, One Chain
Note: Inasingle‐chainconfiguration,useSASports2(initiator)and4(target)to
createaredundantIPCconnection.WhenyouconfiguretheseportsusingtheIO
portwizard,settheportPurposetoUnknown.
Path Connections
IPC 1 ControllerA:slot3,port2→ControllerB:slot3,port4.
2 ControllerB:slot3,port2→ControllerA:slot3,port 4.
Chain1:ASide 1 ControllerA:slot3,port1→Enclosure:leftEMM,portC.
2Enclosure:leftEMM,portB→Controller B:slot3,port3.
Chain
1:BSide 1 ControllerB:slot3,port1→Enclosure:rightEMM,portC.
2Enclosure:rightEMM,portB→ControllerA:slot3,port3.
Enclosure
Controller A
Controller B
AB
1342
CABC
1342
4 3 21
4 3 21