HP StorageWorks Clustered File System 3.6.1 for Windows installation guide (AP809-96008, October 2009)

Chapter3:InstallHPStorageWorksClusteredFileSystem 20
waytoavoidthesituationistocreateanunusedpartitionatthestartof
theLUNandthenensurethatthesecondpartitionstartsonanaligned
boundary.TheWindowsLogicalDiskManagerorutilitiessuchas
diskpartcanbeusedtocreatethepartitions.
Partitions Containing Windows Filesystems
Ifyouwillbeusing
anexistingpartitionforamembershippartitionand
thatpartitioncurrentlycontainsaWindowsfilesystem,thenthat
filesystemmustbedestroyed.Onemethodfordoingthisistodeletethe
partitionandthenrecreateit.Thisisbestdonebeforemultipleservers
haveaccesstothedisk.Ifthatis
notpossible,allotherserverswithaccess
tothediskmustbeforcedtorecognizethechanges,eitherbyrebooting
allthosesystems,orbymanuallydisablingtheportsontheFibreChannel
switchthatconnectthosesystemstotheSAN.Ifusingthesecond
method,disabletheportsbeforemakingthe
partitiontablechange,and
thenreenabletheportsafterwards.
Changes to the Disk Partition Table
Werecommendthatyoudoallnecessarypartitioningondisksthatwill
containmembershippartitionsbeforeassigningthemembership
partitions.Itisbesttodothepartitioningbeforemultipleservershave
accesstothedisk.Ifthisisnotpossible,ensure
thatallservershaving
accesstothediskthroughtheSANdetectthepartitiontablechanges
beforecontinuingonwithmembershippartitioninitialization.
Thiscanbedoneeitherbyrebootingtheserversafteryoumakethe
partitiontablechanges,orbymanuallydisablingtheportsonthe
FibreChannelswitchthatconnect
theserverstotheSAN.Ifusingthe
secondmethod,disabletheportsbeforemakingthepartitiontable
changes,andthenreenabletheportsafterwards.
Ifyoushouldlaterneedtorepartitionadiskcontainingamembership
partition,youwillneedtostopHPClusteredFileSystembeforeyou
changethe
layout.Whiletheclusterisstopped,youwillnotbeableto
accessotherdisksinthecluster.WhenHPClusteredFileSystemis
restartedontheserver,itwillrecognizethechangestothepartitiontable.
(YouwillneedtorestartHPClusteredFileSystemoneachnodetoenable

ittoseethechanges.)