ORACLE RAC GRID卸载
cd $ORACLE_HOME
cd deinstall
./deinstall
[grid@exrac1 deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2020-09-07_12-48-34PM/logs/
############ ORACLE DECONFIG TOOL START ############
######################### DECONFIG CHECK OPERATION START #########################
## [START] Install check configuration ##
Deinstall utility is unable to determine the list of nodes, on which this home is configured, as the Oracle Clusterware processes are not running on the local node.
Is this home configured on other nodes (y - yes, n - no)?[n]:y
Specify a comma-separated list of remote nodes to cleanup :
Invalid Remote Nodes.
Invalid Remote Nodes.
Invalid Remote Nodes.
Invalid Remote Nodes.
Invalid Remote Nodes.
exrac1
Checking for existence of the Oracle home location /u01/app/grid
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Cluster
Oracle Base selected for deinstall is: /u01/app/grid_base
Checking for existence of central inventory location /u01/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /u01/app/grid
The following nodes are part of this cluster: exrac1
Checking for sufficient temp space availability on node(s) : 'exrac1'
## [END] Install check configuration ##
Traces log file: /tmp/deinstall2020-09-07_12-48-34PM/logs//crsdc_2020-09-07_01-49-46-PM.log
Network Configuration check config START
Network de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/netdc_check2020-09-07_01-49-56-PM.log
Network Configuration check config END
Asm Check Configuration START
ASM de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/asmcadc_check2020-09-07_01-49-56-PM.log
ASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y|n) [n]: y
Automatic Storage Management (ASM) instance is detected in this Oracle home /u01/app/grid.
ASM Diagnostic Destination : /u01/app/grid_base
ASM Diskgroups :
ASM diskstring : /dev/mapper
Diskgroups will not be dropped
If you want to retain the existing diskgroups or if any of the information detected is incorrect, you can modify by entering 'y'. Do you want to modify above information (y|n) [n]: y
Is Grid Infrastructure Storage(OCR) in ASM diskgroup (y|n) [y]: y
Enter the OCR/Voting Disk diskgroup name [+T_OCR]: +T_OCR
Specify the ASM Diagnostic Destination [/u01/app/grid_base]:
Specify the diskstring [/dev/mapper]:
Specify the diskgroups that are managed by this ASM instance []:
Database Check Configuration START
Database de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/databasedc_check2020-09-07_01-50-28-PM.log
Oracle Grid Management database was not found in this Grid Infrastructure home
Database Check Configuration END
######################### DECONFIG CHECK OPERATION END #########################
####################### DECONFIG CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /u01/app/grid
The following nodes are part of this cluster: exrac1
The cluster node(s) on which the Oracle home deinstallation will be performed are:exrac1
Oracle Home selected for deinstall is: /u01/app/grid
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
ASM instance will be de-configured from this Oracle home
Oracle Grid Management database was not found in this Grid Infrastructure home
Do you want to continue (y - yes, n - no)? [n]: Y
A log of this session will be written to: '/tmp/deinstall2020-09-07_12-48-34PM/logs/deinstall_deconfig2020-09-07_12-49-08-PM.out'
Any error messages from this session will be written to: '/tmp/deinstall2020-09-07_12-48-34PM/logs/deinstall_deconfig2020-09-07_12-49-08-PM.err'
######################## DECONFIG CLEAN OPERATION START ########################
Database de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/databasedc_clean2020-09-07_01-50-30-PM.log
ASM de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/asmcadc_clean2020-09-07_01-50-30-PM.log
ASM Clean Configuration START
ASM Clean Configuration END
Network Configuration clean config START
Network de-configuration trace file location: /tmp/deinstall2020-09-07_12-48-34PM/logs/netdc_clean2020-09-07_01-50-30-PM.log
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
---------------------------------------->
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 "exrac1".
/u01/app/grid/crs/install/rootcrs.sh -force -deconfig -paramfile "/tmp/deinstall2020-09-07_12-48-34PM/response/deinstall_OraGI12Home1.rsp" -lastnode
Press Enter after you finish running the above commands
<----------------------------------------
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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 "exrac1".
/u01/app/grid/crs/install/rootcrs.sh -force -deconfig -paramfile "/tmp/deinstall2020-09-07_12-48-34PM/response/deinstall_OraGI12Home1.rsp" -lastnode
Press Enter after you finish running the above commands
另开个SESSION
用ROOT登录
[root@exrac1 deinstall]# /u01/app/grid/crs/install/rootcrs.sh -force -deconfig -paramfile "/tmp/deinstall2020-09-07_12-48-34PM/response/deinstall_OraGI12Home1.rsp"
Using configuration parameter file: /tmp/deinstall2020-09-07_12-48-34PM/response/deinstall_OraGI12Home1.rsp
The log of current session can be found at:
/tmp/deinstall2020-09-07_12-48-34PM/logs/crsdeconfig_exrac1_2020-09-07_01-51-54PM.log
PRCR-1070 : Failed to check if resource ora.net1.network is registered
CRS-0184 : Cannot communicate with the CRS daemon.
PRCR-1070 : Failed to check if resource ora.helper is registered
CRS-0184 : Cannot communicate with the CRS daemon.
PRCR-1070 : Failed to check if resource ora.ons is registered
CRS-0184 : Cannot communicate with the CRS daemon.
2020/09/07 13:52:06 CLSRSC-180: An error occurred while executing the command '/u01/app/grid/bin/srvctl config nodeapps'
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'exrac1'
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'exrac1' has completed
CRS-4133: Oracle High Availability Services has been stopped.
2020/09/07 13:52:17 CLSRSC-4006: Removing Oracle Trace File Analyzer (TFA) Collector.
2020/09/07 13:54:01 CLSRSC-4007: Successfully removed Oracle Trace File Analyzer (TFA) Collector.
2020/09/07 13:54:03 CLSRSC-336: Successfully deconfigured Oracle Clusterware stack on this node
######################### DEINSTALL CLEAN OPERATION END #########################
####################### DEINSTALL CLEAN OPERATION SUMMARY #######################
Successfully detached Oracle home '/u01/app/grid' from the central inventory on the local node.
Successfully deleted directory '/u01/app/grid' on the local node.
Successfully deleted directory '/u01/app/oraInventory' on the local node.
Successfully deleted directory '/u01/app/grid_base' on the local node.
Oracle Universal Installer cleanup was successful.
Run 'rm -r /etc/oraInst.loc' as root on node(s) 'exrac1' at the end of the session.
Run 'rm -r /opt/ORCLfmap' as root on node(s) 'exrac1' at the end of the session.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL TOOL END #############
利用DD命令把ASM盘清空
dd if=/dev/zero of=/dev/mapper/T_OCR bs=7808 count=12800
dd if=/dev/zero of=/dev/mapper/GIMR_A bs=39040 count=12800
dd if=/dev/zero of=/dev/mapper/GIRM_B bs=39040 count=12800