Dell SC8000 - Single Controller, Four Enclosures, Two IO Cards, Two Chains

Chapter 3 Connect the Back End
66 Storage Center SC8000 Controller Deployment Guide
Single Controller, Four Enclosures, Two IO Cards, Two Chains
Thisillustration showsasingleSC8000controllercabledtofourSASenclosuresintwo
chains.Whencablingasecondchainofenclosures,useasecondIOcardtoimprove
redundancy.
Figure 65. Single SC8000 Controller, Four SAS Enclosures, Two IO Cards, Two Chains
Path Connections
Chain1:ASide 1 Controller:slot6,port1→Enclosure1:topEMM,portA.
2Enclosure1:topEMM,portB→Enclosure2:topEMM,portA.
Chain1:BSide 1Enclosure1:bottomEMM,portB→Enclosure2:bottomEMM,portA.
2Enclosure2:bottomEMM,portB→
Controller:slot5,port 3.
Chain2:ASide 1 Controller:slot6,port3→Enclosure3:topEMM,portA.
2Enclosure3:topEMM,portB→Enclosure4:topEMM,portA.
Chain2:BSide 1Enclosure3:bottomEMM,portB→Enclosure4:bottomEMM,portA.
2Enclosure4:bottomEMM,
portB→Controllerslot5,port 1.
Enclosure 1
Enclosure 2
Enclosure 3
Enclosure 4
Controller
4 3 21
A
AB
B
A
AB
B
A
AB
B
A
AB
B
4 3 21