EMC存储官方文档：Appendix A Symmetrix.ppt

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1、PowerPathConfigurationandAdministrationwithEMCSymmetrixModuleObjectivesUponcompletionofthismodule,youwillbeableto:ExplainindetailthetheorybehindPowerPath’sOperationUseGUIandCLItoolstoManagePowerPathMonitorthestatusofkeyaspectsofaPowerPathenvironment

2、2PowerPathConfigurationandAdministrationPowerPathConfigurationPowerPathsitsbetweentheapplicationsandtheHBAdriverApplicationsdirectI/OtoPowerPathPowerPathdirectsI/OtoanoptimalpathbasedoncurrentworkloadandpathavailabilityOpenSystemsHOSTLogicalvolumeman

3、agerFilesystemPowerPathDriverApplicationsManagementutilitiesDBMSStorageArrayHostbusadapterHostbusadapterHostbusadapterHostbusadapterStorageAreaNetwork3PowerPathConfigurationandAdministrationPathFailurewithPowerPathIfapathcomponentfails,thedevicedriv

4、erreturnsatimeouttoPowerPathPowerPathrespondsbytakingthepathofflineandre-drivingI/OthroughanalternatepathSubsequentI/Osusesurvivingpath(s)ApplicationisunawareofthefailureAppHBAHBADDDHBAHostBusAdapterHBADriverStorageSERVERSTORAGEDHBAPowerPathFront-end

5、PortsSANI/OAckI/OI/OSucessful!error4PowerPathConfigurationandAdministrationManagementInterfaces–CommandLineandGUIPowerPathAdministratorGUIPowerPathCommandLinepowermtcheckpowermtcheck_registrationpowermtconfigpowermtdisplaypowermtdisplayoptionspowermt

6、displaypathspowermtloadpowermtremovepowermtrestorepowermtsavepowermtsetmodepowermtsetperiodic_autorestorepowermtsetpolicypowermtsetpriority]powermtsetwrite_throttlepowermtsetwrite_throttle_queuepowermtversion5PowerPathConfigurationandAdministrationPo

7、werPathManagementInterfaces:OSSupportPowerPathCommandLineInterface(CLI)HP-UXLINUX(RedHat,SuSE,Asianux)AIXSolaris(SPARC,x86Opteron)NetwareWindows-Windows2000AdvancedServerandWindowsServer2003,ServicePack2SupportforaallcommandsexceptpowermtconfigPowerP

8、athAdministratorGUIWindowsonlySupportforthesameWindowsOperatingSystemsastheCLISupportsallCLIfunctionalityexceptwritethrottle6PowerPathConfigurationandAdministrationPowerPathCLICommandspowermtcheck[force][reconfig][hba=

9、all][dev=

10、all]pow