Chapter 3 Connect the Back End
88 Storage Center SC8000 Controller Deployment Guide
Dual Controllers, Two Enclosures, Single Chain
Thisillustration showstwoSC8000controllerscabledtotwoSASenclosuresforminga
singlechain.Inasingle‐chainconfiguration,useSASports2and4tocreatearedundant
IPCconnection.WhenyouconfiguretheseportsusingtheIOportwizard,settheport
PurposetoUnknown.
Figure 81. Dual SC8000 Controllers, Two Enclosures, One Chain
Path Connections
IPC 1 ControllerA:slot6,port2→ControllerB:slot6,port4.
2 ControllerB:slot6,port2→ControllerA:slot6,port 4.
Chain1:ASide 1 ControllerA:slot6,port1→Enclosure1:topSBB,portC.
2Enclosure1:topSBB,portB→Enclosure2:top
SBB,portA.
3Enclosure2:topSBB,portC→Controller B:slot6,port3.
Chain1:BSide 1 ControllerB:slot6,port1→Enclosure1:bottomSBB,portC.
2Enclosure1:bottomSBB,portA→Enclosure 2:bottomSBB,portB.
3Enclosure2:bottomSBB,portC→ControllerA:
slot6,port3.
Enclosure 1
Enclosure 2
Controller A
Controller B
4 3 21