Specifications

DS300f G2 Series User Manual
246
appendIx C: MultIpathInG on lInux
The appendix covers the following topics:
• Before You Begin
• Task1:MeetingPackageRequirements
• Task2:PreparingtheCongurationFile
• Task3:MakingInitialHostSettings
• Task4:CreateandCongureDevices
• Task5:Setting-upALUA
• RPMPackagesandDocumentsforLinuxMPIO
• LinuxMPIO:KnownIssues
• Samplemultipath.confFile
ASUSStoragehasfullytestedASUSDS300fG2multipathingonRedHatRHEL5.3,5.4,and5.5;andSuSESLES
10SP2,10SP3,11,and11SP1.CoverageinthisProduct ManualislimitedtothoseOSes.
Multipathingispossible onotherLinuxOSes.ASUSStoragehasnottested everypossiblecombinationand
thereforedoesnotattempttocoverthemhere.
ForalistofsupportedOSes,downloadthelatestcompatibilitylistfromASUSStoragesupport:http://www.
ASUSStorage.com/support/.
before you beGIn
BeforeyoucansetupmultipathingonyourLinuxHostPC,youmust:
• InstallyourFibreChannelorSASHBAcardintotheHostPC.
• InstalltheHBAcarddriversontotheHostPC
• SetupyourASUSDS300fG2,installyourphysicaldrivesandcreateyourlogicaldrives.
• AttachyourFibreChannelorSAScablesfromtheHBAcardtotheASUSDS300fG2RAIDsubsystem.
• InstallRHEL5.xwiththelinuxmpathoption.
• ForALUA,refertotheASUSStorageLinuxsupportpackages.Seepage 486.
Refer to the Linux Administration Manual,yourHBAdocumentation,andthisAppendixasneededformore
information.
check InItIal SetuP
Tocheckyourinitialsetup,verifythatyoucanviewthelogicaldrivesonyourASUSDS300fG2fromyourLinux
desktoporterminalwindow.RefertotheLinux Administration Manualfortheprocedureonyoursystem.
• If you can see your logical drives, the system is properly congured. Go to “Task 1: Meeting Package
Requirements”onpage247.
• Ifyoucannotseeyourlogicaldrives,makethenecessaryadjustmentsandcheckagain.