HP Netserver MSCS SPOFless Cluster Solution

eventofanFCcontrollerfailure.Thisis
becausefailoverwilloccuronthestorage
side.However,intheeventofthefailureof
anyoftheFibreChannelcables,thecluster
softwarewillinitiatethefailover.Seethe
functionaldiagramforaconfigurationusing
FChubsshownatthebottomofthepage.
Themostimportantthingtoknowwhen
installingFCArrayAssistantistoinstallthe
SPOFlessversion,A.00.02-5.The
SPOFlessversionofFCArrayAssistant
allowsmirroringoftheLUNs,afeaturenot
foundinthestandardversion,butwhichis
necessaryforSPOFlessclusters.
Additionally itisimportanttorememberthat
theserverportionandtheclientportionof
mustcomefromthe
sameinstallationdisk.
Anotherfactorconcerningtheinstallationof
FCArrayAssistantisthelocationoftheFC
arrayclient.Inpractice,itisadvisableto
installacopyoftheclientoneachcluster
nodeandontheclientmonitortoensureit
isavailableduringperiodsofnetwork
instability.
TheFCArrayAssistantutilityisusedto
configure,manageandmonitorRS/12FC
storage.TheManualConfigurationmodeis
recommendedbecauseitprovidesmore
controloverthesetupofdifferent
parameterscomparedtotheAutomaticor
AssistedConfigurationmodes.Manual
modeallowstheadditionofnewRAIDsets,
additionoflogicaldrivesoreditingofthe
existingconfiguration.
InstallationandConfiguration
Mostoftheprocedureforinstallinga
SPOFlessclusterisidenticaltothe
installationofaSPOFclustersolution.
Subsectionsbelowonlydocumentthe
differencesbetweenastandardcluster
installationandaSPOFlesscluster
installation.Formoredetailsonhowto
installandconfigureMSCS,takealookat
theReferencessectionattheendofthis
document.
FCArrayAssistantInstallation
RS/12FCExternalSharedStorage
Configuration
FCArrayAssistant
HP
DocumentationNetServer
5
whitepaper
Cluster
Server
#1
FCHBA
Cluster
Server
#2
FCHBA
Private
Network
Port1
Port0
FCCont#1
Port1
Port0
FCCont#0
RS/12FC
SCSI#2
SCSI#1
RS/12
SCSI#2
SCSI#1
RS/12
CopperFibreActive
SCSICable
Failure
Causes
Application
Failover
External
Shared
Storage
PublicNetwork
FunctionalDiagramoftheDirectConnectCluster
(SPOFless)
Cluster
Server
#1
FCHBA
Cluster
Server
#2
FCHBA
Private
Network
Port1 Port0
FCCont#1
Port1
Port0
FCCont#0
RS/12FC
SCSI#2
SCSI#1
RS/12
SCSI#2
SCSI#1
RS/12
FCHub
CopperFibreActive
CopperFibrePassive
OpticalorCopperFibre
SCSICable
Failure
Causes
Application
Failover
Failure
Causes
Decreased
Performance
External
Shared
Storage
FCHub
PublicNetwork
FunctionalDiagramoftheClusterUsingHubs
(SPOFless)