在grid软件的home目录$ORACLE_HOME下找到deinstall目录，进去执行脚本deinstall
Last login: Tue Apr 24 19:12:17 2018 from 10.128.250.41
Authorized users only.All activity may be monitored and reported
[oracle@dqynj027081 ~]$
[oracle@dqynj027081 ~]$ su - grid
Password:
[grid@dqynj027081 ~]$ cd $ORACLE_HOME
[grid@dqynj027081 11.2.0]$ cd deinstall/
[grid@dqynj027081 deinstall]$ ls
bootstrap.pl deinstall deinstall.pl deinstall.xml jlib readme.txt response sshUserSetup.sh
[grid@dqynj027081 deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2018-04-25_08-50-35AM/logs/
############ ORACLE DEINSTALL & DECONFIG TOOL START ############
######################### CHECK OPERATION START #########################
## [START] Install check configuration ##
Checking for existence of the Oracle home location /app/u01/product/11.2.0
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Cluster
Oracle Base selected for deinstall is: /app/u01/grid
Checking for existence of central inventory location /app/u01/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /app/u01/product/11.2.0
The following nodes are part of this cluster: dqynj027081,dqynj027082
Checking for sufficient temp space availability on node(s) : 'dqynj027081,dqynj027082'
## [END] Install check configuration ##
###################
###################这里都是直接回车
###################
Traces log file: /tmp/deinstall2018-04-25_08-50-35AM/logs//crsdc.log
Enter an address or the name of the virtual IP used on node "dqynj027081"[dqynj027081-vip]
>
The following information can be collected by running "/sbin/ifconfig -a" on node "dqynj027081"
Enter the IP netmask of Virtual IP "10.251.27.175" on node "dqynj027081"[255.255.255.0]
>
Enter the network interface name on which the virtual IP address "10.251.27.175" is active
>
Enter an address or the name of the virtual IP used on node "dqynj027082"[dqynj027082-vip]
>
The following information can be collected by running "/sbin/ifconfig -a" on node "dqynj027082"
Enter the IP netmask of Virtual IP "10.251.27.179" on node "dqynj027082"[255.255.255.0]
>
Enter the network interface name on which the virtual IP address "10.251.27.179" is active
>
Enter an address or the name of the virtual IP[]
>
###################
###################这里还是直接回车
###################
Network Configuration check config START
Network de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/netdc_check2018-04-25_08-51-06-AM.log
Specify all RAC listeners (do not include SCAN listener) that are to be de-configured [LISTENER,LISTENER_SCAN1]:
Network Configuration check config END
###################
###################这里输入y，然后回车，接下来都是回车
###################
Asm Check Configuration START
ASM de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/asmcadc_check2018-04-25_08-55-17-AM.log
ASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y|n) [n]: y
Specify the ASM Diagnostic Destination [ ]:
Specify the diskstring []:
Specify the diskgroups that are managed by this ASM instance []:
######################### CHECK OPERATION END #########################
###################
###################这里输入y
###################
####################### CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /app/u01/product/11.2.0
The cluster node(s) on which the Oracle home deinstallation will be performed are:dqynj027081,dqynj027082
Oracle Home selected for deinstall is: /app/u01/product/11.2.0
Inventory Location where the Oracle home registered is: /app/u01/oraInventory
Following RAC listener(s) will be de-configured: LISTENER,LISTENER_SCAN1
ASM instance will be de-configured from this Oracle home
Do you want to continue (y - yes, n - no)? [n]: y
A log of this session will be written to: '/tmp/deinstall2018-04-25_08-50-35AM/logs/deinstall_deconfig2018-04-25_08-50-40-AM.out'
Any error messages from this session will be written to: '/tmp/deinstall2018-04-25_08-50-35AM/logs/deinstall_deconfig2018-04-25_08-50-40-AM.err'
######################## CLEAN OPERATION START ########################
ASM de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/asmcadc_clean2018-04-25_08-56-50-AM.log
ASM Clean Configuration START
ASM Clean Configuration END
Network Configuration clean config START
Network de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/netdc_clean2018-04-25_08-56-51-AM.log
De-configuring RAC listener(s): LISTENER,LISTENER_SCAN1
De-configuring listener: LISTENER
Stopping listener: LISTENER
Warning: Failed to stop listener. Listener may not be running.
Listener de-configured successfully.
De-configuring listener: LISTENER_SCAN1
Stopping listener: LISTENER_SCAN1
Listener stopped successfully.
Listener de-configured successfully.
De-configuring Naming Methods configuration file on all nodes...
Naming Methods configuration file de-configured successfully.
De-configuring Local Net Service Names configuration file on all nodes...
Local Net Service Names configuration file de-configured successfully.
De-configuring Directory Usage configuration file on all nodes...
Directory Usage configuration file de-configured successfully.
De-configuring backup files on all nodes...
Backup files de-configured successfully.
The network configuration has been cleaned up successfully.
Network Configuration clean config END
###################
###################这里需要在各节点使用root用户下执行以下脚本，注意按照顺序执行，执行完成回到该页面敲回车
###################
---------------------------------------->
The deconfig command below can be executed in parallel on all the remote nodes. Execute the command on the local node after the execution completes on all the remote
nodes.
Run the following command as the root user or the administrator on node "dqynj027082".
/tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-
04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Run the following command as the root user or the administrator on node "dqynj027081".
/tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-
04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp" -lastnode
Press Enter after you finish running the above commands
<----------------------------------------
########################################################################################
#####按照脚本顺序执行，以下为节点dqynj027082执行过程，执行过程不是很快，耐心等待以下，我执行了10分钟#######
#####按照脚本顺序执行，以下为节点dqynj027082执行过程#############################################
########################################################################################
l2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-
35AM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Using configuration parameter file: /tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp
Network exists: 1/10.251.26.0/255.255.254.0/eth0, type static
VIP exists: /dqynj027081-vip/10.251.27.175/10.251.26.0/255.255.254.0/eth0, hosting node dqynj027081
VIP exists: /dqynj027082-vip/10.251.27.179/10.251.26.0/255.255.254.0/eth0, hosting node dqynj027082
GSD exists
ONS exists: Local port 6100, remote port 6200, EM port 2016
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.crsd' on 'dqynj027082'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.oc4j' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.CRS.dg' on 'dqynj027082'
CRS-2677: Stop of 'ora.oc4j' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.CRS.dg' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'dqynj027082'
CRS-2677: Stop of 'ora.asm' on 'dqynj027082' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'dqynj027082' has completed
CRS-2677: Stop of 'ora.crsd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.ctssd' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.evmd' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.asm' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'dqynj027082'
CRS-2677: Stop of 'ora.crf' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.evmd' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.asm' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'dqynj027082'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'dqynj027082'
CRS-2677: Stop of 'ora.cssd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'dqynj027082'
CRS-2677: Stop of 'ora.gipcd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'dqynj027082'
CRS-2677: Stop of 'ora.gpnpd' on 'dqynj027082' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'dqynj027082' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Removing Trace File Analyzer
Successfully deconfigured Oracle clusterware stack on this node
[root@dqynj027082 ~]#
########################################################################################
###按照脚本顺序执行，以下为节点dqynj027081执行过程，执行过程不是很快，耐心等待以下，我执行了10分钟########
######按照脚本顺序执行，以下为节点dqynj027081执行过程#########################################
########################################################################################
[root@dqynj027081 ~]# /tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-
35AM/crs/install /tmp/deinstall2018-04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-
35AM/response/deinstall_Ora11g_gridinfrahome1.rsp" -lastnode
Using configuration parameter file: /tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp
CRS-2672: Attempting to start 'ora.gpnpd' on 'dqynj027081'
CRS-5017: The resource action "ora.gpnpd start" encountered the following error:
Start action for daemon aborted. For details refer to "(:CLSN00107:)" in "/app/u01/product/11.2.0/log/dqynj027081/agent/ohasd/oraagent_grid/oraagent_grid.log".
CRS-2674: Start of 'ora.gpnpd' on 'dqynj027081' failed
CRS-2679: Attempting to clean 'ora.gpnpd' on 'dqynj027081'
CRS-2681: Clean of 'ora.gpnpd' on 'dqynj027081' succeeded
CRS-4000: Command Start failed, or completed with errors.
CSS startup failed with return code 1
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1119 : Failed to look up CRS resources of ora.cluster_vip_net1.type type
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1070 : Failed to check if resource ora.gsd is registered
Cannot communicate with crsd
PRCR-1070 : Failed to check if resource ora.ons is registered
Cannot communicate with crsd
CRS-4689: Oracle Clusterware is already stopped
CRS-2672: Attempting to start 'ora.gpnpd' on 'dqynj027081'
CRS-5017: The resource action "ora.gpnpd start" encountered the following error:
Start action for daemon aborted. For details refer to "(:CLSN00107:)" in "/app/u01/product/11.2.0/log/dqynj027081/agent/ohasd/oraagent_grid/oraagent_grid.log".
CRS-2674: Start of 'ora.gpnpd' on 'dqynj027081' failed
CRS-2679: Attempting to clean 'ora.gpnpd' on 'dqynj027081'
CRS-2681: Clean of 'ora.gpnpd' on 'dqynj027081' succeeded
CRS-4000: Command Start failed, or completed with errors.
CSS startup failed with return code 1
Unable to communicate with the Cluster Synchronization Services daemon.
CRS-4000: Command Delete failed, or completed with errors.
crsctl delete for vds in CRS ... failed
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'dqynj027081'
CRS-2673: Attempting to stop 'ora.cssdmonitor' on 'dqynj027081'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'dqynj027081'
CRS-2677: Stop of 'ora.cssdmonitor' on 'dqynj027081' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'dqynj027081' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'dqynj027081' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Removing Trace File Analyzer
Successfully deconfigured Oracle clusterware stack on this node
[root@dqynj027081 ~]#
########################################################################################
#####执行完以上脚本回到之前的grid用户执行deinstall界面敲回车###################################
#####执行完以上脚本回到之前的grid用户执行deinstall界面敲回车，继续执行删除#############################
########################################################################################
Setting the force flag to false
Setting the force flag to cleanup the Oracle Base
Oracle Universal Installer clean START
Detach Oracle home '/app/u01/product/11.2.0' from the central inventory on the local node : Done
Delete directory '/app/u01/product/11.2.0' on the local node : Done
Delete directory '/app/u01/oraInventory' on the local node : Done
Delete directory '/app/u01/grid' on the local node : Done
Detach Oracle home '/app/u01/product/11.2.0' from the central inventory on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/product/11.2.0' on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/oraInventory' on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/grid' on the remote nodes 'dqynj027082' : Done
Oracle Universal Installer cleanup was successful.
Oracle Universal Installer clean END
## [START] Oracle install clean ##
Clean install operation removing temporary directory '/tmp/deinstall2018-04-25_08-50-35AM' on node 'dqynj027081'
Clean install operation removing temporary directory '/tmp/deinstall2018-04-25_08-50-35AM' on node 'dqynj027082'
## [END] Oracle install clean ##
######################### CLEAN OPERATION END #########################
####################### CLEAN OPERATION SUMMARY #######################
ASM instance was de-configured successfully from the Oracle home
Following RAC listener(s) were de-configured successfully: LISTENER,LISTENER_SCAN1
Oracle Clusterware is stopped and successfully de-configured on node "dqynj027082"
Oracle Clusterware is stopped and successfully de-configured on node "dqynj027081"
Oracle Clusterware is stopped and de-configured successfully.
Successfully detached Oracle home '/app/u01/product/11.2.0' from the central inventory on the local node.
Successfully deleted directory '/app/u01/product/11.2.0' on the local node.
Successfully deleted directory '/app/u01/oraInventory' on the local node.
Successfully deleted directory '/app/u01/grid' on the local node.
Successfully detached Oracle home '/app/u01/product/11.2.0' from the central inventory on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/product/11.2.0' on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/oraInventory' on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/grid' on the remote nodes 'dqynj027082'.
Oracle Universal Installer cleanup was successful.
Run 'rm -rf /etc/oraInst.loc' as root on node(s) 'dqynj027081,dqynj027082' at the end of the session.
Run 'rm -rf /opt/ORCLfmap' as root on node(s) 'dqynj027081,dqynj027082' at the end of the session.
Run 'rm -rf /etc/oratab' as root on node(s) 'dqynj027081' at the end of the session.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL & DECONFIG TOOL END #############
[grid@dqynj027081 deinstall]$
执行完成，按照提示再使用root在各节点别执行，注意第三个删除命令只在一节点执行，我没注意看，直接两个节点都执行了，但是节点2好像也没有这个文件
[root@dqynj027081 ~]# rm -rf /etc/oraInst.loc
[root@dqynj027081 ~]# rm -rf /opt/ORCLfmap
[root@dqynj027081 ~]# rm -rf /etc/oratab
[root@dqynj027082 ~]# rm -rf /etc/oraInst.loc
[root@dqynj027082 ~]# rm -rf /opt/ORCLfmap
以上就删除完成，重新安装的话，还是要创建目录等操作。
Last login: Tue Apr 24 19:12:17 2018 from 10.128.250.41
Authorized users only.All activity may be monitored and reported
[oracle@dqynj027081 ~]$
[oracle@dqynj027081 ~]$ su - grid
Password:
[grid@dqynj027081 ~]$ cd $ORACLE_HOME
[grid@dqynj027081 11.2.0]$ cd deinstall/
[grid@dqynj027081 deinstall]$ ls
bootstrap.pl deinstall deinstall.pl deinstall.xml jlib readme.txt response sshUserSetup.sh
[grid@dqynj027081 deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2018-04-25_08-50-35AM/logs/
############ ORACLE DEINSTALL & DECONFIG TOOL START ############
######################### CHECK OPERATION START #########################
## [START] Install check configuration ##
Checking for existence of the Oracle home location /app/u01/product/11.2.0
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Cluster
Oracle Base selected for deinstall is: /app/u01/grid
Checking for existence of central inventory location /app/u01/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /app/u01/product/11.2.0
The following nodes are part of this cluster: dqynj027081,dqynj027082
Checking for sufficient temp space availability on node(s) : 'dqynj027081,dqynj027082'
## [END] Install check configuration ##
###################
###################这里都是直接回车
###################
Traces log file: /tmp/deinstall2018-04-25_08-50-35AM/logs//crsdc.log
Enter an address or the name of the virtual IP used on node "dqynj027081"[dqynj027081-vip]
>
The following information can be collected by running "/sbin/ifconfig -a" on node "dqynj027081"
Enter the IP netmask of Virtual IP "10.251.27.175" on node "dqynj027081"[255.255.255.0]
>
Enter the network interface name on which the virtual IP address "10.251.27.175" is active
>
Enter an address or the name of the virtual IP used on node "dqynj027082"[dqynj027082-vip]
>
The following information can be collected by running "/sbin/ifconfig -a" on node "dqynj027082"
Enter the IP netmask of Virtual IP "10.251.27.179" on node "dqynj027082"[255.255.255.0]
>
Enter the network interface name on which the virtual IP address "10.251.27.179" is active
>
Enter an address or the name of the virtual IP[]
>
###################
###################这里还是直接回车
###################
Network Configuration check config START
Network de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/netdc_check2018-04-25_08-51-06-AM.log
Specify all RAC listeners (do not include SCAN listener) that are to be de-configured [LISTENER,LISTENER_SCAN1]:
Network Configuration check config END
###################
###################这里输入y，然后回车，接下来都是回车
###################
Asm Check Configuration START
ASM de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/asmcadc_check2018-04-25_08-55-17-AM.log
ASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y|n) [n]: y
Specify the ASM Diagnostic Destination [ ]:
Specify the diskstring []:
Specify the diskgroups that are managed by this ASM instance []:
######################### CHECK OPERATION END #########################
###################
###################这里输入y
###################
####################### CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /app/u01/product/11.2.0
The cluster node(s) on which the Oracle home deinstallation will be performed are:dqynj027081,dqynj027082
Oracle Home selected for deinstall is: /app/u01/product/11.2.0
Inventory Location where the Oracle home registered is: /app/u01/oraInventory
Following RAC listener(s) will be de-configured: LISTENER,LISTENER_SCAN1
ASM instance will be de-configured from this Oracle home
Do you want to continue (y - yes, n - no)? [n]: y
A log of this session will be written to: '/tmp/deinstall2018-04-25_08-50-35AM/logs/deinstall_deconfig2018-04-25_08-50-40-AM.out'
Any error messages from this session will be written to: '/tmp/deinstall2018-04-25_08-50-35AM/logs/deinstall_deconfig2018-04-25_08-50-40-AM.err'
######################## CLEAN OPERATION START ########################
ASM de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/asmcadc_clean2018-04-25_08-56-50-AM.log
ASM Clean Configuration START
ASM Clean Configuration END
Network Configuration clean config START
Network de-configuration trace file location: /tmp/deinstall2018-04-25_08-50-35AM/logs/netdc_clean2018-04-25_08-56-51-AM.log
De-configuring RAC listener(s): LISTENER,LISTENER_SCAN1
De-configuring listener: LISTENER
Stopping listener: LISTENER
Warning: Failed to stop listener. Listener may not be running.
Listener de-configured successfully.
De-configuring listener: LISTENER_SCAN1
Stopping listener: LISTENER_SCAN1
Listener stopped successfully.
Listener de-configured successfully.
De-configuring Naming Methods configuration file on all nodes...
Naming Methods configuration file de-configured successfully.
De-configuring Local Net Service Names configuration file on all nodes...
Local Net Service Names configuration file de-configured successfully.
De-configuring Directory Usage configuration file on all nodes...
Directory Usage configuration file de-configured successfully.
De-configuring backup files on all nodes...
Backup files de-configured successfully.
The network configuration has been cleaned up successfully.
Network Configuration clean config END
###################
###################这里需要在各节点使用root用户下执行以下脚本，注意按照顺序执行，执行完成回到该页面敲回车
###################
---------------------------------------->
The deconfig command below can be executed in parallel on all the remote nodes. Execute the command on the local node after the execution completes on all the remote
nodes.
Run the following command as the root user or the administrator on node "dqynj027082".
/tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-
04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Run the following command as the root user or the administrator on node "dqynj027081".
/tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-
04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp" -lastnode
Press Enter after you finish running the above commands
<----------------------------------------
########################################################################################
#####按照脚本顺序执行，以下为节点dqynj027082执行过程，执行过程不是很快，耐心等待以下，我执行了10分钟#######
#####按照脚本顺序执行，以下为节点dqynj027082执行过程#############################################
########################################################################################
l2018-04-25_08-50-35AM/crs/install /tmp/deinstall2018-04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-
35AM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Using configuration parameter file: /tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp
Network exists: 1/10.251.26.0/255.255.254.0/eth0, type static
VIP exists: /dqynj027081-vip/10.251.27.175/10.251.26.0/255.255.254.0/eth0, hosting node dqynj027081
VIP exists: /dqynj027082-vip/10.251.27.179/10.251.26.0/255.255.254.0/eth0, hosting node dqynj027082
GSD exists
ONS exists: Local port 6100, remote port 6200, EM port 2016
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.crsd' on 'dqynj027082'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.oc4j' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.CRS.dg' on 'dqynj027082'
CRS-2677: Stop of 'ora.oc4j' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.CRS.dg' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'dqynj027082'
CRS-2677: Stop of 'ora.asm' on 'dqynj027082' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'dqynj027082' has completed
CRS-2677: Stop of 'ora.crsd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.ctssd' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.evmd' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.asm' on 'dqynj027082'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'dqynj027082'
CRS-2677: Stop of 'ora.crf' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.evmd' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.asm' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'dqynj027082'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'dqynj027082' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'dqynj027082'
CRS-2677: Stop of 'ora.cssd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'dqynj027082'
CRS-2677: Stop of 'ora.gipcd' on 'dqynj027082' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'dqynj027082'
CRS-2677: Stop of 'ora.gpnpd' on 'dqynj027082' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'dqynj027082' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Removing Trace File Analyzer
Successfully deconfigured Oracle clusterware stack on this node
[root@dqynj027082 ~]#
########################################################################################
###按照脚本顺序执行，以下为节点dqynj027081执行过程，执行过程不是很快，耐心等待以下，我执行了10分钟########
######按照脚本顺序执行，以下为节点dqynj027081执行过程#########################################
########################################################################################
[root@dqynj027081 ~]# /tmp/deinstall2018-04-25_08-50-35AM/perl/bin/perl -I/tmp/deinstall2018-04-25_08-50-35AM/perl/lib -I/tmp/deinstall2018-04-25_08-50-
35AM/crs/install /tmp/deinstall2018-04-25_08-50-35AM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2018-04-25_08-50-
35AM/response/deinstall_Ora11g_gridinfrahome1.rsp" -lastnode
Using configuration parameter file: /tmp/deinstall2018-04-25_08-50-35AM/response/deinstall_Ora11g_gridinfrahome1.rsp
CRS-2672: Attempting to start 'ora.gpnpd' on 'dqynj027081'
CRS-5017: The resource action "ora.gpnpd start" encountered the following error:
Start action for daemon aborted. For details refer to "(:CLSN00107:)" in "/app/u01/product/11.2.0/log/dqynj027081/agent/ohasd/oraagent_grid/oraagent_grid.log".
CRS-2674: Start of 'ora.gpnpd' on 'dqynj027081' failed
CRS-2679: Attempting to clean 'ora.gpnpd' on 'dqynj027081'
CRS-2681: Clean of 'ora.gpnpd' on 'dqynj027081' succeeded
CRS-4000: Command Start failed, or completed with errors.
CSS startup failed with return code 1
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1119 : Failed to look up CRS resources of ora.cluster_vip_net1.type type
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
PRCR-1070 : Failed to check if resource ora.gsd is registered
Cannot communicate with crsd
PRCR-1070 : Failed to check if resource ora.ons is registered
Cannot communicate with crsd
CRS-4689: Oracle Clusterware is already stopped
CRS-2672: Attempting to start 'ora.gpnpd' on 'dqynj027081'
CRS-5017: The resource action "ora.gpnpd start" encountered the following error:
Start action for daemon aborted. For details refer to "(:CLSN00107:)" in "/app/u01/product/11.2.0/log/dqynj027081/agent/ohasd/oraagent_grid/oraagent_grid.log".
CRS-2674: Start of 'ora.gpnpd' on 'dqynj027081' failed
CRS-2679: Attempting to clean 'ora.gpnpd' on 'dqynj027081'
CRS-2681: Clean of 'ora.gpnpd' on 'dqynj027081' succeeded
CRS-4000: Command Start failed, or completed with errors.
CSS startup failed with return code 1
Unable to communicate with the Cluster Synchronization Services daemon.
CRS-4000: Command Delete failed, or completed with errors.
crsctl delete for vds in CRS ... failed
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'dqynj027081'
CRS-2673: Attempting to stop 'ora.cssdmonitor' on 'dqynj027081'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'dqynj027081'
CRS-2677: Stop of 'ora.cssdmonitor' on 'dqynj027081' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'dqynj027081' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'dqynj027081' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Removing Trace File Analyzer
Successfully deconfigured Oracle clusterware stack on this node
[root@dqynj027081 ~]#
########################################################################################
#####执行完以上脚本回到之前的grid用户执行deinstall界面敲回车###################################
#####执行完以上脚本回到之前的grid用户执行deinstall界面敲回车，继续执行删除#############################
########################################################################################
Setting the force flag to false
Setting the force flag to cleanup the Oracle Base
Oracle Universal Installer clean START
Detach Oracle home '/app/u01/product/11.2.0' from the central inventory on the local node : Done
Delete directory '/app/u01/product/11.2.0' on the local node : Done
Delete directory '/app/u01/oraInventory' on the local node : Done
Delete directory '/app/u01/grid' on the local node : Done
Detach Oracle home '/app/u01/product/11.2.0' from the central inventory on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/product/11.2.0' on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/oraInventory' on the remote nodes 'dqynj027082' : Done
Delete directory '/app/u01/grid' on the remote nodes 'dqynj027082' : Done
Oracle Universal Installer cleanup was successful.
Oracle Universal Installer clean END
## [START] Oracle install clean ##
Clean install operation removing temporary directory '/tmp/deinstall2018-04-25_08-50-35AM' on node 'dqynj027081'
Clean install operation removing temporary directory '/tmp/deinstall2018-04-25_08-50-35AM' on node 'dqynj027082'
## [END] Oracle install clean ##
######################### CLEAN OPERATION END #########################
####################### CLEAN OPERATION SUMMARY #######################
ASM instance was de-configured successfully from the Oracle home
Following RAC listener(s) were de-configured successfully: LISTENER,LISTENER_SCAN1
Oracle Clusterware is stopped and successfully de-configured on node "dqynj027082"
Oracle Clusterware is stopped and successfully de-configured on node "dqynj027081"
Oracle Clusterware is stopped and de-configured successfully.
Successfully detached Oracle home '/app/u01/product/11.2.0' from the central inventory on the local node.
Successfully deleted directory '/app/u01/product/11.2.0' on the local node.
Successfully deleted directory '/app/u01/oraInventory' on the local node.
Successfully deleted directory '/app/u01/grid' on the local node.
Successfully detached Oracle home '/app/u01/product/11.2.0' from the central inventory on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/product/11.2.0' on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/oraInventory' on the remote nodes 'dqynj027082'.
Successfully deleted directory '/app/u01/grid' on the remote nodes 'dqynj027082'.
Oracle Universal Installer cleanup was successful.
Run 'rm -rf /etc/oraInst.loc' as root on node(s) 'dqynj027081,dqynj027082' at the end of the session.
Run 'rm -rf /opt/ORCLfmap' as root on node(s) 'dqynj027081,dqynj027082' at the end of the session.
Run 'rm -rf /etc/oratab' as root on node(s) 'dqynj027081' at the end of the session.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL & DECONFIG TOOL END #############
[grid@dqynj027081 deinstall]$
执行完成，按照提示再使用root在各节点别执行，注意第三个删除命令只在一节点执行，我没注意看，直接两个节点都执行了，但是节点2好像也没有这个文件
[root@dqynj027081 ~]# rm -rf /etc/oraInst.loc
[root@dqynj027081 ~]# rm -rf /opt/ORCLfmap
[root@dqynj027081 ~]# rm -rf /etc/oratab
[root@dqynj027082 ~]# rm -rf /etc/oraInst.loc
[root@dqynj027082 ~]# rm -rf /opt/ORCLfmap
以上就删除完成，重新安装的话，还是要创建目录等操作。
来源：CSDN
作者：赵钱孙李依不依随你
链接：https://blog.csdn.net/qq_36815190/article/details/80074659