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

Chapter3:InstallHPStorageWorksClusteredFileSystem 26
Toinstallthelicense,clicktheChangeLicenseFilebutton.Usethe
browsewindowthatopensnexttolocatethelicensefileontheserver.
Bydefault,thelicensefilewillbeinstalledat\%System
Drive%\ProgramFiles\Hewlett‐Packard\HPClusteredFile
System\conf\licenses\.
3. SecretNetworkKey.Thispasswordisrequired.Itprovides
additional
securityfornetworkcommunicationsamongtheclusterservers.To
setthiskey,clicktheSetSecretNetworkKeybutton.Youcanenter
anythingyouwantforthispassword,upto86characters inlength.
NOTE: IfmorethanoneHPX5500StorageGatewayforWindows
clusterisrunningonthesamesubnet,besurethateachcluster
hasadifferentSecretNetworkKey.Thisstepensuresthatthe
multicasttrafficistargetedonlyatthe serverswiththesame
SecretNetworkKey.
4. ClusterAdministrativeTrafficProtocol
.Selecteithermulticastor
unicastmode.Multicastmodeisrecommended;however,ifyour
networkconfigurationdoesnotallowmulticasttrafficthroughthe
network,youcanuseunicastmode.
WhenyouhavecompletedthefieldsontheGeneralSettingstab,gotothe
SAN&Fencingtab.
SAN & Fencing Tab
Whencertainproblemsoccur
onaserver(forexample,hardware
problemsorthelossofclusternetworkcommunications),andtheserver
ceasestoeffectivelycoordinateandcommunicatewithotherserversin
thecluster,HPClusteredFileSystemmustremovetheserver’saccessto
filesystemstopreservedataintegrity.Thisstepiscalledfencing.