这篇文章主要介绍了Oracle 11G RAC如何删除节点，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

软硬件环境

数据库版本：11.2.0.4 RAC双节点

虚拟环境系统：Linux 6.5

一般对CRS层面数据结构做重要操作之前一定要先备份OCR。

[root@vastdata4~]#ocrconfig-manualbackupvastdata42019/02/2500:04:20/u01/app/11.2.0/grid/cdata/vastdat-cluster/backup_20190225_000420.ocrvastdata42019/02/2500:00:08/u01/app/11.2.0/grid/cdata/vastdat-cluster/backup_20190225_000008.ocr删除节点简单为分3个步骤：删除实例、删除DB软件、删除GI软件一. 删除实例1. 关闭计划删除的目标实例

[root@vastdata4~]#srvctlstatusdatabase-dPROD-helpDisplaysthecurrentstateofthedatabase.Usage:srvctlstatusdatabase-d<db_unique_name>[-f][-v]-d<db_unique_name>Uniquenameforthedatabase-fIncludedisabledapplications-vVerboseoutput-hPrintusage[root@vastdata4~]#srvctlstatusdatabase-dPROD-fInstancePROD1isrunningonnodevastdata3InstancePROD2isrunningonnodevastdata4[root@vastdata4~]#srvctlstopinstance-dPROD-nvastdata3[root@vastdata4~]#crsctlstatres-t--------------------------------------------------------------------------------NAMETARGETSTATESERVERSTATE_DETAILS--------------------------------------------------------------------------------LocalResources--------------------------------------------------------------------------------ora.prod.db1OFFLINEOFFLINEInstanceShutdown2ONLINEONLINEvastdata4Open[root@vastdata4~]#srvctlstatusdatabase-dPROD-fInstancePROD1isnotrunningonnodevastdata3InstancePROD2isrunningonnodevastdata42. 删除实例

[oracle@vastdata4~]$dbca-silent-deleteInstance-nodeListvastdata3.us.oracle.com-gdbNamePROD-instanceNamePROD1-sysDBAUserNamesys-sysDBAPasswordoracleDeletinginstance1%complete2%complete6%complete13%complete20%complete26%complete33%complete40%complete46%complete53%complete60%complete66%completeCompletinginstancemanagement.100%completeLookatthelogfile"/u01/app/oracle/cfgtoollogs/dbca/PROD.log"forfurtherdetails.3. 再次检查

[root@vastdata4~]#srvctlstatusdatabase-dPROD-fInstancePROD2isrunningonnodevastdata4二. 删除DB软件1. 更新inventory

[oracle@vastdata3~]$$ORACLE_HOME/oui/bin/runInstaller-updateNodeListORACLE_HOME=$ORACLE_HOME"CLUSTER_NODES=vastdata3"-localStartingOracleUniversalInstaller...Checkingswapspace:mustbegreaterthan500MB.Actual6143MBPassedTheinventorypointerislocatedat/etc/oraInst.locTheinventoryislocatedat/u01/app/oraInventory'UpdateNodeList'wassuccessful.2. 卸载DB软件

[oracle@vastdata3~]$$ORACLE_HOME/deinstall/deinstall-localCheckingforrequiredfilesandbootstrapping...Pleasewait...Locationoflogs/u01/app/oraInventory/logs/############ORACLEDEINSTALL&DECONFIGTOOLSTART#####################################CHECKOPERATIONSTART###########################[START]Installcheckconfiguration##CheckingforexistenceoftheOraclehomelocation/u01/app/oracle/product/11.2.0/db_1OracleHometypeselectedfordeinstallis:OracleRealApplicationClusterDatabaseOracleBaseselectedfordeinstallis:/u01/app/oracleCheckingforexistenceofcentralinventorylocation/u01/app/oraInventoryCheckingforexistenceoftheOracleGridInfrastructurehome/u01/app/11.2.0/gridThefollowingnodesarepartofthiscluster:vastdata3Checkingforsufficienttempspaceavailabilityonnode(s):'vastdata3'##[END]Installcheckconfiguration##NetworkConfigurationcheckconfigSTARTNetworkde-configurationtracefilelocation:/u01/app/oraInventory/logs/netdc_check2019-02-25_12-27-57-AM.logNetworkConfigurationcheckconfigENDDatabaseCheckConfigurationSTARTDatabasede-configurationtracefilelocation:/u01/app/oraInventory/logs/databasedc_check2019-02-25_12-27-59-AM.logDatabaseCheckConfigurationENDEnterpriseManagerConfigurationAssistantSTARTEMCAde-configurationtracefilelocation:/u01/app/oraInventory/logs/emcadc_check2019-02-25_12-28-02-AM.logEnterpriseManagerConfigurationAssistantENDOracleConfigurationManagercheckSTARTOCMchecklogfilelocation:/u01/app/oraInventory/logs//ocm_check2332.logOracleConfigurationManagercheckEND#########################CHECKOPERATIONEND################################################CHECKOPERATIONSUMMARY#######################OracleGridInfrastructureHomeis:/u01/app/11.2.0/gridTheclusternode(s)onwhichtheOraclehomedeinstallationwillbeperformedare:vastdata3Since-localoptionhasbeenspecified,theOraclehomewillbedeinstalledonlyonthelocalnode,'vastdata3',andtheglobalconfigurationwillberemoved.OracleHomeselectedfordeinstallis:/u01/app/oracle/product/11.2.0/db_1InventoryLocationwheretheOraclehomeregisteredis:/u01/app/oraInventoryTheoption-localwillnotmodifyanydatabaseconfigurationforthisOraclehome.NoEnterpriseManagerconfigurationtobeupdatedforanydatabase(s)NoEnterpriseManagerASMtargetstoupdateNoEnterpriseManagerlistenertargetstomigrateCheckingtheconfigstatusforCCROracleHomeexistswithCCRdirectory,butCCRisnotconfiguredCCRcheckisfinishedDoyouwanttocontinue(y-yes,n-no)?[n]:yAlogofthissessionwillbewrittento:'/u01/app/oraInventory/logs/deinstall_deconfig2019-02-25_12-27-50-AM.out'Anyerrormessagesfromthissessionwillbewrittento:'/u01/app/oraInventory/logs/deinstall_deconfig2019-02-25_12-27-50-AM.err'########################CLEANOPERATIONSTART########################EnterpriseManagerConfigurationAssistantSTARTEMCAde-configurationtracefilelocation:/u01/app/oraInventory/logs/emcadc_clean2019-02-25_12-28-02-AM.logUpdatingEnterpriseManagerASMtargets(ifany)UpdatingEnterpriseManagerlistenertargets(ifany)EnterpriseManagerConfigurationAssistantENDDatabasede-configurationtracefilelocation:/u01/app/oraInventory/logs/databasedc_clean2019-02-25_12-29-25-AM.logNetworkConfigurationcleanconfigSTARTNetworkde-configurationtracefilelocation:/u01/app/oraInventory/logs/netdc_clean2019-02-25_12-29-25-AM.logDe-configuringLocalNetServiceNamesconfigurationfile...LocalNetServiceNamesconfigurationfilede-configuredsuccessfully.De-configuringbackupfiles...Backupfilesde-configuredsuccessfully.Thenetworkconfigurationhasbeencleanedupsuccessfully.NetworkConfigurationcleanconfigENDOracleConfigurationManagercleanSTARTOCMcleanlogfilelocation:/u01/app/oraInventory/logs//ocm_clean2332.logOracleConfigurationManagercleanENDSettingtheforceflagtofalseSettingtheforceflagtocleanuptheOracleBaseOracleUniversalInstallercleanSTARTDetachOraclehome'/u01/app/oracle/product/11.2.0/db_1'fromthecentralinventoryonthelocalnode:DoneDeletedirectory'/u01/app/oracle/product/11.2.0/db_1'onthelocalnode:DoneFailedtodeletethedirectory'/u01/app/oracle'.Thedirectoryisinuse.Deletedirectory'/u01/app/oracle'onthelocalnode:Failed<<<<OracleUniversalInstallercleanupcompletedwitherrors.OracleUniversalInstallercleanEND##[START]Oracleinstallclean##Cleaninstalloperationremovingtemporarydirectory'/tmp/deinstall2019-02-25_00-27-29AM'onnode'vastdata3'##[END]Oracleinstallclean###########################CLEANOPERATIONEND################################################CLEANOPERATIONSUMMARY#######################CleaningtheconfigforCCRAsCCRisnotconfigured,soskippingthecleaningofCCRconfigurationCCRcleanisfinishedSuccessfullydetachedOraclehome'/u01/app/oracle/product/11.2.0/db_1'fromthecentralinventoryonthelocalnode.Successfullydeleteddirectory'/u01/app/oracle/product/11.2.0/db_1'onthelocalnode.Failedtodeletedirectory'/u01/app/oracle'onthelocalnode.OracleUniversalInstallercleanupcompletedwitherrors.Oracledeinstalltoolsuccessfullycleaneduptemporarydirectories.####################################################################################ORACLEDEINSTALL&DECONFIGTOOLEND#############3. 更新inventory

[oracle@vastdata4~]$$ORACLE_HOME/oui/bin/runInstaller-updateNodeListORACLE_HOME=$ORACLE_HOME"CLUSTER_NODES=vastdata4"-localStartingOracleUniversalInstaller...Checkingswapspace:mustbegreaterthan500MB.Actual6143MBPassedTheinventorypointerislocatedat/etc/oraInst.locTheinventoryislocatedat/u01/app/oraInventory'UpdateNodeList'wassuccessful.4. 如果卸载不干净，需要人为手工执行下面命令

[oracle@vastdata3~]$rm-rf$ORACLE_HOME/*三. 删除GI软件1. 检查被删除节点状态

[grid@vastdata4~]$olsnodes-s-n-tvastdata31ActiveUnpinnedvastdata42ActiveUnpinned2. 节点被PIN住，需要UNPIN

[root@vastdata4~]#crsctlunpincss-nvastdata3CRS-4667:Nodevastdata3successfullyunpinned.3. 停止被删节点HAS服务

[root@vastdata3~]#exportORACLE_HOME=/u01/app/11.2.0/grid[root@vastdata3~]#cd$ORACLE_HOME/crs/install[root@vastdata3install]#perlrootcrs.pl-deconfig-forceUsingconfigurationparameterfile:./crsconfig_paramsNetworkexists:1/192.168.0.0/255.255.255.0/eth0,typestaticVIPexists:/vastdata3-vip/192.168.0.22/192.168.0.0/255.255.255.0/eth0,hostingnodevastdata3VIPexists:/vastdata4-vip/192.168.0.23/192.168.0.0/255.255.255.0/eth0,hostingnodevastdata4GSDexistsONSexists:Localport6100,remoteport6200,EMport2016CRS-2673:Attemptingtostop'ora.registry.acfs'on'vastdata3'CRS-2677:Stopof'ora.registry.acfs'on'vastdata3'succeededCRS-2791:StartingshutdownofOracleHighAvailabilityServices-managedresourceson'vastdata3'CRS-2673:Attemptingtostop'ora.crsd'on'vastdata3'CRS-2790:StartingshutdownofClusterReadyServices-managedresourceson'vastdata3'CRS-2673:Attemptingtostop'ora.DATA.dg'on'vastdata3'CRS-2673:Attemptingtostop'ora.FRA.dg'on'vastdata3'CRS-2677:Stopof'ora.FRA.dg'on'vastdata3'succeededCRS-2677:Stopof'ora.DATA.dg'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.asm'on'vastdata3'CRS-2677:Stopof'ora.asm'on'vastdata3'succeededCRS-2792:ShutdownofClusterReadyServices-managedresourceson'vastdata3'hascompletedCRS-2677:Stopof'ora.crsd'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.mdnsd'on'vastdata3'CRS-2673:Attemptingtostop'ora.drivers.acfs'on'vastdata3'CRS-2673:Attemptingtostop'ora.crf'on'vastdata3'CRS-2673:Attemptingtostop'ora.ctssd'on'vastdata3'CRS-2673:Attemptingtostop'ora.evmd'on'vastdata3'CRS-2673:Attemptingtostop'ora.asm'on'vastdata3'CRS-2677:Stopof'ora.mdnsd'on'vastdata3'succeededCRS-2677:Stopof'ora.crf'on'vastdata3'succeededCRS-2677:Stopof'ora.evmd'on'vastdata3'succeededCRS-2677:Stopof'ora.asm'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.cluster_interconnect.haip'on'vastdata3'CRS-2677:Stopof'ora.ctssd'on'vastdata3'succeededCRS-2677:Stopof'ora.drivers.acfs'on'vastdata3'succeededCRS-2677:Stopof'ora.cluster_interconnect.haip'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.cssd'on'vastdata3'CRS-2677:Stopof'ora.cssd'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.gipcd'on'vastdata3'CRS-2677:Stopof'ora.gipcd'on'vastdata3'succeededCRS-2673:Attemptingtostop'ora.gpnpd'on'vastdata3'CRS-2677:Stopof'ora.gpnpd'on'vastdata3'succeededCRS-2793:ShutdownofOracleHighAvailabilityServices-managedresourceson'vastdata3'hascompletedCRS-4133:OracleHighAvailabilityServiceshasbeenstopped.RemovingTraceFileAnalyzerSuccessfullydeconfiguredOracleclusterwarestackonthisnode4. 检查集群资源状态

[root@vastdata4~]#crsctlstatres-t--------------------------------------------------------------------------------NAMETARGETSTATESERVERSTATE_DETAILS--------------------------------------------------------------------------------LocalResources--------------------------------------------------------------------------------ora.DATA.dgONLINEONLINEvastdata4ora.FRA.dgONLINEONLINEvastdata4ora.LISTENER.lsnrONLINEONLINEvastdata4ora.asmONLINEONLINEvastdata4Startedora.gsdOFFLINEOFFLINEvastdata4ora.net1.networkONLINEONLINEvastdata4ora.onsONLINEONLINEvastdata4ora.registry.acfsONLINEONLINEvastdata4--------------------------------------------------------------------------------ClusterResources--------------------------------------------------------------------------------ora.LISTENER_SCAN1.lsnr1ONLINEONLINEvastdata4ora.LISTENER_SCAN2.lsnr1ONLINEONLINEvastdata4ora.LISTENER_SCAN3.lsnr1ONLINEONLINEvastdata4ora.cvu1ONLINEONLINEvastdata4ora.oc4j1ONLINEONLINEvastdata4ora.prod.db2ONLINEONLINEvastdata4Openora.scan1.vip1ONLINEONLINEvastdata4ora.scan2.vip1ONLINEONLINEvastdata4ora.scan3.vip1ONLINEONLINEvastdata4ora.vastdata4.vip1ONLINEONLINEvastdata45. 检查集群下所有节点状态

[root@vastdata4~]#olsnodes-s-n-tvastdata31InactiveUnpinnedvastdata42ActiveUnpinned6. 更新inventory

[grid@vastdata3~]$$ORACLE_HOME/oui/bin/runInstaller-updateNodeListORACLE_HOME=$ORACLE_HOME"CLUSTER_NODES=vastdata3"CRS=TRUE-silent-localStartingOracleUniversalInstaller...Checkingswapspace:mustbegreaterthan500MB.Actual6143MBPassedTheinventorypointerislocatedat/etc/oraInst.locTheinventoryislocatedat/u01/app/oraInventory'UpdateNodeList'wassuccessful.7. 卸载GI软件

[grid@vastdata3~]$$ORACLE_HOME/deinstall/deinstall-localCheckingforrequiredfilesandbootstrapping...Pleasewait...Locationoflogs/tmp/deinstall2019-02-25_00-43-06AM/logs/############ORACLEDEINSTALL&DECONFIGTOOLSTART#####################################CHECKOPERATIONSTART###########################[START]Installcheckconfiguration##CheckingforexistenceoftheOraclehomelocation/u01/app/11.2.0/gridOracleHometypeselectedfordeinstallis:OracleGridInfrastructureforaClusterOracleBaseselectedfordeinstallis:/u01/app/gridCheckingforexistenceofcentralinventorylocation/u01/app/oraInventoryCheckingforexistenceoftheOracleGridInfrastructurehomeThefollowingnodesarepartofthiscluster:vastdata3Checkingforsufficienttempspaceavailabilityonnode(s):'vastdata3'##[END]Installcheckconfiguration##Traceslogfile:/tmp/deinstall2019-02-25_00-43-06AM/logs//crsdc.logEnteranaddressorthenameofthevirtualIPusedonnode"vastdata3"[vastdata3-vip]>Thefollowinginformationcanbecollectedbyrunning"/sbin/ifconfig-a"onnode"vastdata3"EntertheIPnetmaskofVirtualIP"192.168.0.22"onnode"vastdata3"[255.255.255.0]>EnterthenetworkinterfacenameonwhichthevirtualIPaddress"192.168.0.22"isactive>EnteranaddressorthenameofthevirtualIP[]>NetworkConfigurationcheckconfigSTARTNetworkde-configurationtracefilelocation:/tmp/deinstall2019-02-25_00-43-06AM/logs/netdc_check2019-02-25_12-44-14-AM.logSpecifyallRAClisteners(donotincludeSCANlistener)thataretobede-configured[LISTENER,LISTENER_SCAN3,LISTENER_SCAN2,LISTENER_SCAN1]:NetworkConfigurationcheckconfigENDAsmCheckConfigurationSTARTASMde-configurationtracefilelocation:/tmp/deinstall2019-02-25_00-43-06AM/logs/asmcadc_check2019-02-25_12-44-19-AM.log#########################CHECKOPERATIONEND################################################CHECKOPERATIONSUMMARY#######################OracleGridInfrastructureHomeis:Theclusternode(s)onwhichtheOraclehomedeinstallationwillbeperformedare:vastdata3Since-localoptionhasbeenspecified,theOraclehomewillbedeinstalledonlyonthelocalnode,'vastdata3',andtheglobalconfigurationwillberemoved.OracleHomeselectedfordeinstallis:/u01/app/11.2.0/gridInventoryLocationwheretheOraclehomeregisteredis:/u01/app/oraInventoryFollowingRAClistener(s)willbede-configured:LISTENER,LISTENER_SCAN3,LISTENER_SCAN2,LISTENER_SCAN1Option-localwillnotmodifyanyASMconfiguration.Doyouwanttocontinue(y-yes,n-no)?[n]:yAlogofthissessionwillbewrittento:'/tmp/deinstall2019-02-25_00-43-06AM/logs/deinstall_deconfig2019-02-25_12-43-22-AM.out'Anyerrormessagesfromthissessionwillbewrittento:'/tmp/deinstall2019-02-25_00-43-06AM/logs/deinstall_deconfig2019-02-25_12-43-22-AM.err'########################CLEANOPERATIONSTART########################ASMde-configurationtracefilelocation:/tmp/deinstall2019-02-25_00-43-06AM/logs/asmcadc_clean2019-02-25_12-44-27-AM.logASMCleanConfigurationENDNetworkConfigurationcleanconfigSTARTNetworkde-configurationtracefilelocation:/tmp/deinstall2019-02-25_00-43-06AM/logs/netdc_clean2019-02-25_12-44-27-AM.logDe-configuringRAClistener(s):LISTENER,LISTENER_SCAN3,LISTENER_SCAN2,LISTENER_SCAN1De-configuringlistener:LISTENERStoppinglisteneronnode"vastdata3":LISTENERWarning:Failedtostoplistener.Listenermaynotberunning.Listenerde-configuredsuccessfully.De-configuringlistener:LISTENER_SCAN3Stoppinglisteneronnode"vastdata3":LISTENER_SCAN3Warning:Failedtostoplistener.Listenermaynotberunning.Listenerde-configuredsuccessfully.De-configuringlistener:LISTENER_SCAN2Stoppinglisteneronnode"vastdata3":LISTENER_SCAN2Warning:Failedtostoplistener.Listenermaynotberunning.Listenerde-configuredsuccessfully.De-configuringlistener:LISTENER_SCAN1Stoppinglisteneronnode"vastdata3":LISTENER_SCAN1Warning:Failedtostoplistener.Listenermaynotberunning.Listenerde-configuredsuccessfully.De-configuringNamingMethodsconfigurationfile...NamingMethodsconfigurationfilede-configuredsuccessfully.De-configuringbackupfiles...Backupfilesde-configuredsuccessfully.Thenetworkconfigurationhasbeencleanedupsuccessfully.NetworkConfigurationcleanconfigEND---------------------------------------->Thedeconfigcommandbelowcanbeexecutedinparallelonalltheremotenodes.Executethecommandonthelocalnodeaftertheexecutioncompletesonalltheremotenodes.Runthefollowingcommandastherootuserortheadministratoronnode"vastdata3"./tmp/deinstall2019-02-25_00-43-06AM/perl/bin/perl-I/tmp/deinstall2019-02-25_00-43-06AM/perl/lib-I/tmp/deinstall2019-02-25_00-43-06AM/crs/install/tmp/deinstall2019-02-25_00-43-06AM/crs/install/rootcrs.pl-force-deconfig-paramfile"/tmp/deinstall2019-02-25_00-43-06AM/response/deinstall_Ora11g_gridinfrahome1.rsp"PressEnterafteryoufinishrunningtheabovecommands<----------------------------------------[root@vastdata3~]#/tmp/deinstall2019-02-25_00-43-06AM/perl/bin/perl-I/tmp/deinstall2019-02-25_00-43-06AM/perl/lib-I/tmp/deinstall2019-02-25_00-43-06AM/crs/install/tmp/deinstall2019-02-25_00-43-06AM/crs/install/rootcrs.pl-force-deconfig-paramfile"/tmp/deinstall2019-02-25_00-43-06AM/response/deinstall_Ora11g_gridinfrahome1.rsp"Usingconfigurationparameterfile:/tmp/deinstall2019-02-25_00-43-06AM/response/deinstall_Ora11g_gridinfrahome1.rsp****UnabletoretrieveOracleClusterwarehome.StartOracleClusterwarestackandtryagain.CRS-4047:NoOracleClusterwarecomponentsconfigured.CRS-4000:CommandStopfailed,orcompletedwitherrors.Either/etc/oracle/ocr.locdoesnotexistorisnotreadableMakesurethefileexistsandithasreadandexecuteaccessEither/etc/oracle/ocr.locdoesnotexistorisnotreadableMakesurethefileexistsandithasreadandexecuteaccessCRS-4047:NoOracleClusterwarecomponentsconfigured.CRS-4000:CommandModifyfailed,orcompletedwitherrors.CRS-4047:NoOracleClusterwarecomponentsconfigured.CRS-4000:CommandDeletefailed,orcompletedwitherrors.CRS-4047:NoOracleClusterwarecomponentsconfigured.CRS-4000:CommandStopfailed,orcompletedwitherrors.#################################################################Youmustkillprocessesorrebootthesystemtoproperly##cleanuptheprocessesstartedbyOracleclusterware#################################################################ACFS-9313:NoADVM/ACFSinstallationdetected.Either/etc/oracle/olr.locdoesnotexistorisnotreadableMakesurethefileexistsandithasreadandexecuteaccessEither/etc/oracle/olr.locdoesnotexistorisnotreadableMakesurethefileexistsandithasreadandexecuteaccessFailureinexecution(rc=-1,256,Nosuchfileordirectory)forcommand/etc/init.d/ohasddeinstallerror:packagecvuqdiskisnotinstalledSuccessfullydeconfiguredOracleclusterwarestackonthisnodeRemovethedirectory:/tmp/deinstall2019-02-25_00-43-06AMonnode:SettingtheforceflagtofalseSettingtheforceflagtocleanuptheOracleBaseOracleUniversalInstallercleanSTARTDetachOraclehome'/u01/app/11.2.0/grid'fromthecentralinventoryonthelocalnode:DoneDeletedirectory'/u01/app/11.2.0/grid'onthelocalnode:DoneDeletedirectory'/u01/app/oraInventory'onthelocalnode:DoneDeletedirectory'/u01/app/grid'onthelocalnode:DoneOracleUniversalInstallercleanupwassuccessful.OracleUniversalInstallercleanEND##[START]Oracleinstallclean##Cleaninstalloperationremovingtemporarydirectory'/tmp/deinstall2019-02-25_00-43-06AM'onnode'vastdata3'##[END]Oracleinstallclean###########################CLEANOPERATIONEND################################################CLEANOPERATIONSUMMARY#######################FollowingRAClistener(s)werede-configuredsuccessfully:LISTENER,LISTENER_SCAN3,LISTENER_SCAN2,LISTENER_SCAN1OracleClusterwareisstoppedandsuccessfullyde-configuredonnode"vastdata3"OracleClusterwareisstoppedandde-configuredsuccessfully.SuccessfullydetachedOraclehome'/u01/app/11.2.0/grid'fromthecentralinventoryonthelocalnode.Successfullydeleteddirectory'/u01/app/11.2.0/grid'onthelocalnode.Successfullydeleteddirectory'/u01/app/oraInventory'onthelocalnode.Successfullydeleteddirectory'/u01/app/grid'onthelocalnode.OracleUniversalInstallercleanupwassuccessful.Run'rm-rf/etc/oraInst.loc'asrootonnode(s)'vastdata3'attheendofthesession.Run'rm-rf/opt/ORCLfmap'asrootonnode(s)'vastdata3'attheendofthesession.Run'rm-rf/etc/oratab'asrootonnode(s)'vastdata3'attheendofthesession.Oracledeinstalltoolsuccessfullycleaneduptemporarydirectories.####################################################################################ORACLEDEINSTALL&DECONFIGTOOLEND#############8. 更新inventory

[grid@vastdata4~]$$ORACLE_HOME/oui/bin/runInstaller-updateNodeListORACLE_HOME=$ORACLE_HOME"CLUSTER_NODES=vastdata4"CRS=TRUE-silentStartingOracleUniversalInstaller...Checkingswapspace:mustbegreaterthan500MB.Actual6143MBPassedTheinventorypointerislocatedat/etc/oraInst.locTheinventoryislocatedat/u01/app/oraInventory'UpdateNodeList'wassuccessful.9. 检查集群下所有节点状态

[grid@vastdata4~]$olsnodes-svastdata3Inactivevastdata4Active10. 如果卸载不干净，需要人为手工执行下面命令

ps-ef|grepora|awk'{print$2}'|xargskill-9ps-ef|grepgrid|awk'{print$2}'|xargskill-9ps-ef|grepasm|awk'{print$2}'|xargskill-9ps-ef|grepstorage|awk'{print$2}'|xargskill-9ps-ef|grepohasd|awk'{print$2}'|xargskill-9ps-ef|grepgridps-ef|greporaps-ef|grepasmexportORACLE_BASE=/u01/app/gridexportORACLE_HOME=/u01/app/11.2.0/gridcd$ORACLE_HOMErm-rf*cd$ORACLE_BASErm-rf*rm-rf/etc/rc5.d/S96ohasdrm-rf/etc/rc3.d/S96ohasdrm-rf/rc.d/init.d/ohasdrm-rf/etc/oraclerm-rf/etc/ora*rm-rf/etc/oratabrm-rf/etc/oraInst.locrm-rf/opt/ORCLfmap/rm-rf/taryartar/12c/oraInventoryrm-rf/usr/local/bin/dbhomerm-rf/usr/local/bin/oraenvrm-rf/usr/local/bin/coraenvrm-rf/tmp/*rm-rf/var/tmp/.oraclerm-rf/var/tmprm-rf/home/grid/*rm-rf/home/oracle/*rm-rf/etc/init/oracle*rm-rf/etc/init.d/orarm-rf/tmp/.*11. 从集群中删除节点

[root@vastdata4~]#/u01/app/11.2.0/grid/bin/crsctldeletenode-nvastdata3CRS-4661:Nodevastdata3successfullydeleted.12. 检查集群下所有节点状态

[root@vastdata4~]#olsnodes-svastdata4Active13. 检查节点删除是否成功这步非常重要，关系以后是否可以顺利增加节点到集群中。

[grid@vastdata4~]$cluvfystage-postnodedel-nvastdata3-verbosePerformingpost-checksfornoderemovalCheckingCRSintegrity...ClusterwareversionconsistencypassedTheOracleClusterwareishealthyonnode"vastdata4"CRSintegritycheckpassedResult:NoderemovalcheckpassedPost-checkfornoderemovalwassuccessful.14. 备份OCR

[root@vastdata4~]#ocrconfig-manualbackupvastdata42019/02/2500:53:53/u01/app/11.2.0/grid/cdata/vastdat-cluster/backup_20190225_005353.ocrvastdata42019/02/2500:04:20/u01/app/11.2.0/grid/cdata/vastdat-cluster/backup_20190225_000420.ocrvastdata42019/02/2500:00:08/u01/app/11.2.0/grid/cdata/vastdat-cluster/backup_20190225_000008.ocr

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