Chapter 3 Connect the Back End
56 Storage Center SC8000 Controller Deployment Guide
SC8000 SAS Port Types
TherearetwotypesofcontrollerSASports:initiatoronlyandinitiator/target.SASchains
beginwith aninitiatorport.Asshowninthefollowingfigure,ports1–2(circledinblue)on
SASIOcardsareinitiatoronly,andports3– 4(circledinred)areinitiator/target.
Figure 52. Controller SAS Port Types
Connect IPC for Dual-Controller Storage Centers
Ifyouareconfiguringadual‐controllerStorageCenter,connectthecontrollerswitha
Category(Cat)6Ethernetcable.IftheStorageCenteronlyusesasingleSASchain,you
mustalsointerconnectthecontrollerswithadditionalSASconnectionstomakesurethat
sufficientIPCbandwidthisavailable.
1 Initiator Only (Ports 1–2)
2 Initiator/Target (Ports 3–4)