Removing Enclosures
Dell Compellent 199
Remove an SC200/SC220 Enclosure
TheseinstructionsdescribehowtoremovethetopenclosurefromaSC200/SC220
enclosurechain.Iftheconfigurationhastwoenclosurechains,youdonotneedtotakea
systemoutage;however,thecontrollermustbeabletoseealldrivesthroughonechain
whiletheothersideisdown.
Disconnect the A-side Chain
DisconnecttheenclosuretoberemovedfromtheA‐sidechain.
1 DisconnecttheA‐sidecablefromControllerA:slot6,port1.TheBsidecontinuesto
carryIOwhiletheAsideisdisconnected(seeFigure 128onpage 200).
2 IntheConfigureLocalPortswizard,makesurethatthe
B‐sideportsonbothcontrollers
areUpandtheTargetCountrecognizesthedrivesthroughtheBside.
3 Removethecablebetween:Enclosure1:top,portB→Enclosure2:top,portA(see
Figure 128onpage 200).
4 MovethecablefromEnclosure1:top,portA→Enclosure2:
top,port A(seeFigure 129
onpage 201).
5 ReconnectthetopcabletoControllerA:slot6,port1(s eeFigure 130onpage 203).
Caution: TodisconnecttheA‐sidecablingwithoutasystemoutage,makesurethat
youfirstdisconnecttheA‐sidecablefromthecontroller.Disconnectinganyother
cablefirstdisruptsIOtotheenclosure,resultinginasystemoutage.