Connect the Front End for a Dual-Controller Storage Center
Dell Compellent 11 5
Virtual Port Mode with Dual-Network iSCSI
UsetwonetworkswithvirtualportmodetopreventanEthernetswitchfailureor
controllerfailurefromcausinganoutage.
Inthisconfiguration,thereisonefaultdomainforeachiSCSInetwork.Eachcontrolleris
connectedtobothEthernetnetworksbytwoiSCSIconnections.Ifasingleportfails,its
virtual
portfailsovertoanotherportinthesamefaultdomain.Ifacontrollerfails,the
virtualportsonthefailedcontrollermovetoportsontheothercontrollerinthesamefault
domain.
Prerequisites
EachcontrollermusthavetwoavailableiSCSIfront‐endportsforeachiSCSInetwork.
Therequirementsforvirtualportmodemustbemet.
Steps
1 ConnecteachiSCSIservertobothEthernetswitches.
2 Connectfaultdomain1(showninorange)toiSCSInetwork1.
ControllerA,slot3,port1→Switch1
ControllerB,slot3,port1→Switch1
ControllerB,slot4,port2→Switch1
ControllerA,slot4,port2→Switch1
3 Connectfaultdomain2(showninpurple)toiSCSInetwork2.
ControllerA,slot4,port1→Switch2
ControllerB,slot4,port1→Switch2
ControllerB,slot3,port2→Switch2
ControllerA,slot3,port2→Switch2