2.4

Table Of Contents
VMware, Inc. 83
Chapter 5 Working with Configurations
Deploy Options
ReviewtheoptionsfortheDeployoperation:
Specifywhethertodeploytheconfigurationinfencedmode.
Fencingisatechnologythatisolatesor“fences”groupsofmachinesonthesame
networkfromothermachines.Forcompleteinformationonthisfeatureand
consequencesofdeployingafencedconfigurationafterdeployingitwithout
fencingandsavingitsstate,seeAppendix A,
“NetworkFencing,”onpage 161.
AllowTrafficInandOutVirtualmachinescancommunicatewithmachines
outsidethefenceandmachinesoutsidethefencecancommunicatewith
virtualmachinesinthefencedconfiguration.
AllowTrafficOutVirtualmachinesinafencedconfigurationcaninitiate
communicationtomachinesoutsidethefence,andcanreceivemessagesback
onthesameconnection.Machinesoutsidethefencecannotinitiate
communicationtovirtualmachinesinthefencedconfiguration.
Thisoptionisusefulwhenvirtualmachinesneedtoobtain
dataorexecute
codeoutsidethefence(asseenwithWebservicesordatabases),butdonot
wanttoreceivemessagesthatmaydisrupttesting.
BlockTrafficInandOutNetworktrafficdoesnottravelacrossthefence.
Virtualmachinesinafencedconfigurationcannotcommunicatewith
machinesoutsideofthefence,andmachinesoutsidethefencecannot
communicatewithvirtualmachinesinthefencedconfiguration.
Thisoptionisusefulinthesecircumstances:
Youaretestingsoftwareviruseswhichneedtoremainisolatedfromthe
network.
Youaretestingaclientserverapplicationinisolation.
Deployingaconfigurationinfencedmodeplacesallthevirtualmachinesona
singleManagedServer.YoumusthaveaManagedServerconnectedtothestorage
serverwherethetemplatesthatserveasthebasisofthisconfigurationreside.The
ManagedServer
musthavesufficientresources,suchasmemory,slots,andfences.