Technical data

Contents
Aboutthisguide .......................... 5
Intendedaudience...................................... 5
Documentconventionsandsymbols .............................. 5
HPtechnicalsupport..................................... 6
Helpfulwebsites....................................... 6
1IntroductiontoHPDMMultipath................... 7
Overview.......................................... 7
Features .......................................... 7
WhatsNew ...................................... 7
SoftwareComponents .................................... 8
HPDMMultipathOperation.................................. 8
2InstallingHPDMMultipath ..................... 9
HPDMMultipathSupportMatrix................................ 9
PrerequisitesforHPDMMultipathInstallation.......................... 10
Installing/UpgradingHPDMMultipathTools........................... 11
SettingupHPDMMultipath................................ 11
ConguringQLogicHBAParameters.......................... 11
ConguringEmulexHBAParameters ......................... 12
3ConguringHPDMMultipath.................... 13
Using/etc/multipath.confFile................................ 13
StartingHPDMMultipath.................................. 17
4UsingHPDMMultipath...................... 19
Creating an Alias using /etc/multipath.conf le ........................ 19
UsingMultipathMap.................................. 19
PathGrouping .................................. 21
ClusteringSolutionswithHPDMMultipath........................... 22
ConguringHPServiceGuardwithHPDMMultipathDevices................. 22
ConguringSteelEyeLifeKeeperwithHPDMMultipathDevices................ 23
5RemovingHPDMMultipathTools ................. 25
RemovingHPDMMultipathTools............................... 25
6Troubleshooting . ........................ 27
7 Abbreviations . . . . . ..................... 29
Device Mapper Multipath Enablement Kit for HP StorageWorks Disk Arrays
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