删除grid软件的正确方式(单节点)-12.1.0.2

[grid@localhost deinstall]#su - grid
[grid@localhost deinstall]$cd $ORACLE_HOME/deinstall
[grid@localhost deinstall]$ ./deinstall
报错误:
[main] [ 2021-01-29 02:17:13.000 EST ] [CRSDeconfig.checkConfig:283] Setting DC flag back to false
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at oracle.install.db.deinstall.wrapper.Deinstall.callCheckImpl(Deinstall.java:1344)
        at oracle.install.db.deinstall.wrapper.Deinstall.main(Deinstall.java:646)
Caused by: oracle.ops.util.FatalException: Can't deconfigure Oracle Restart before removing or downgrading managed Oracle databases.
        at oracle.ops.util.CRSDeconfig.verifyRACDatabases(CRSDeconfig.java:3178)
        at oracle.ops.util.CRSDeconfig.checkConfig(CRSDeconfig.java:353)
        at oracle.ops.util.CRSDeconfig.checkConfig(CRSDeconfig.java:280)

停掉数据库:
[grid@localhost deinstall]$ srvctl stop database -d restart
[root@localhost bin]# cd /u01/grid/grid_home/12.1.0.2/bin
[root@localhost bin]# ./crsctl stop has

[grid@localhost deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /u01/grid/oraInventory/logs/

############ ORACLE DECONFIG TOOL START ############

######################### DECONFIG CHECK OPERATION START #########################
## [START] Install check configuration ##

Checking for existence of the Oracle home location /u01/grid/grid_home/12.1.0.2
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Standalone Server
Oracle Base selected for deinstall is: /u01/grid/grid_base
Checking for existence of central inventory location /u01/grid/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /u01/grid/grid_home/12.1.0.2

## [END] Install check configuration ##

Traces log file: /u01/grid/oraInventory/logs//crsdc_2021-01-29_02-25-03AM.log

Network Configuration check config START

Network de-configuration trace file location: /u01/grid/oraInventory/logs/netdc_check2021-01-29_02-25-04-AM.log

Specify all Oracle Restart enabled listeners that are to be de-configured. Enter .(dot) to deselect all. [LISTENER]:

Network Configuration check config END

Asm Check Configuration START

ASM de-configuration trace file location: /u01/grid/oraInventory/logs/asmcadc_check2021-01-29_02-25-10-AM.log

Automatic Storage Management (ASM) instance is detected in this Oracle home /u01/grid/grid_home/12.1.0.2.
ASM Diagnostic Destination : /u01/grid/grid_base
ASM Diskgroups :
ASM diskstring : <Default>
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
Specify the ASM Diagnostic Destination [/u01/grid/grid_base]:
Specify the diskstring []:
Specify the diskgroups that are managed by this ASM instance []:

Database Check Configuration START

Database de-configuration trace file location: /u01/grid/oraInventory/logs/databasedc_check2021-01-29_02-25-36-AM.log

Database Check Configuration END

######################### DECONFIG CHECK OPERATION END #########################

####################### DECONFIG CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /u01/grid/grid_home/12.1.0.2
The following nodes are part of this cluster: null
The cluster node(s) on which the Oracle home deinstallation will be performed are:null
Oracle Home selected for deinstall is: /u01/grid/grid_home/12.1.0.2
Inventory Location where the Oracle home registered is: /u01/grid/oraInventory
Following Oracle Restart enabled listener(s) will be de-configured: LISTENER
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: '/u01/grid/oraInventory/logs/deinstall_deconfig2021-01-29_02-24-57-AM.out'
Any error messages from this session will be written to: '/u01/grid/oraInventory/logs/deinstall_deconfig2021-01-29_02-24-57-AM.err'

######################## DECONFIG CLEAN OPERATION START ########################
Database de-configuration trace file location: /u01/grid/oraInventory/logs/databasedc_clean2021-01-29_02-25-39-AM.log
ASM de-configuration trace file location: /u01/grid/oraInventory/logs/asmcadc_clean2021-01-29_02-25-39-AM.log
ASM Clean Configuration START
ASM Clean Configuration END

Network Configuration clean config START

Network de-configuration trace file location: /u01/grid/oraInventory/logs/netdc_clean2021-01-29_02-25-43-AM.log

De-configuring Oracle Restart enabled listener(s): LISTENER

De-configuring listener: LISTENER
    Stopping listener: LISTENER
    Warning: Failed to stop listener. Listener may not be running.
    Deleting listener: LISTENER
    Listener deleted successfully.
Listener de-configured successfully.

De-configuring Listener configuration file...
Listener configuration file de-configured successfully.

De-configuring Naming Methods configuration file...
Naming Methods configuration file de-configured successfully.

De-configuring backup files...
Backup files de-configured successfully.

The network configuration has been cleaned up successfully.

Network Configuration clean config END

---------------------------------------->

Run the following command as the root user or the administrator on node "localhost".

/tmp/deinstall2021-01-29_02-24-33AM/perl/bin/perl -I/tmp/deinstall2021-01-29_02-24-33AM/perl/lib -I/tmp/deinstall2021-01-29_02-24-33AM/crs/install /tmp/deinstall2021-01-29_02-24-33AM/crs/install/roothas.pl -force -deconfig -paramfile "/tmp/deinstall2021-01-29_02-24-33AM/response/deinstall_OraGI12Home1.rsp"

Press Enter after you finish running the above commands

<----------------------------------------

在root账号下执行:
[root@localhost bin]# /tmp/deinstall2021-01-29_02-24-33AM/perl/bin/perl -I/tmp/deinstall2021-01-29_02-24-33AM/perl/lib -I/tmp/deinstall2021-01-29_02-24-33AM/crs/install /tmp/deinstall2021-01-29_02-24-33AM/crs/install/roothas.pl -force -deconfig -paramfile "/tmp/deinstall2021-01-29_02-24-33AM/response/deinstall_OraGI12Home1.rsp"
Using configuration parameter file: /tmp/deinstall2021-01-29_02-24-33AM/response/deinstall_OraGI12Home1.rsp
CRS-4639: Could not contact Oracle High Availability Services
CRS-4000: Command Stop failed, or completed with errors.
CRS-4639: Could not contact Oracle High Availability Services
CRS-4000: Command Delete failed, or completed with errors.
CRS-4639: Could not contact Oracle High Availability Services
CRS-4000: Command Stop failed, or completed with errors.
2021/01/29 02:26:50 CLSRSC-337: Successfully deconfigured Oracle Restart stack

上面的窗口回车继续往下走
######################### DECONFIG CLEAN OPERATION END #########################

####################### DECONFIG CLEAN OPERATION SUMMARY #######################
ASM instance was de-configured successfully from the Oracle home
Following Oracle Restart enabled listener(s) were de-configured successfully: LISTENER
Oracle Restart was already stopped and de-configured on node "localhost"
Oracle Restart is stopped and de-configured successfully.
#######################################################################

############# ORACLE DECONFIG TOOL END #############

Using properties file /tmp/deinstall2021-01-29_02-24-33AM/response/deinstall_2021-01-29_02-24-57-AM.rsp
Location of logs /u01/grid/oraInventory/logs/

############ ORACLE DEINSTALL TOOL START ############

####################### DEINSTALL CHECK OPERATION SUMMARY #######################
A log of this session will be written to: '/u01/grid/oraInventory/logs/deinstall_deconfig2021-01-29_02-24-57-AM.out'
Any error messages from this session will be written to: '/u01/grid/oraInventory/logs/deinstall_deconfig2021-01-29_02-24-57-AM.err'

######################## DEINSTALL CLEAN OPERATION START ########################
## [START] Preparing for Deinstall ##
Setting LOCAL_NODE to localhost
Setting CRS_HOME to true
Setting oracle.installer.invPtrLoc to /tmp/deinstall2021-01-29_02-24-33AM/oraInst.loc
Setting oracle.installer.local to false

## [END] Preparing for Deinstall ##

Setting the force flag to false
Setting the force flag to cleanup the Oracle Base
Oracle Universal Installer clean START

Detach Oracle home '/u01/grid/grid_home/12.1.0.2' from the central inventory on the local node : Done

Delete directory '/u01/grid/grid_home/12.1.0.2' on the local node : Done

The Oracle Base directory '/u01/grid/grid_base' will not be removed on local node. The directory is not empty.

Oracle Universal Installer cleanup was successful.

Oracle Universal Installer clean END

## [START] Oracle install clean ##

Clean install operation removing temporary directory '/tmp/deinstall2021-01-29_02-24-33AM' on node 'localhost'

## [END] Oracle install clean ##

######################### DEINSTALL CLEAN OPERATION END #########################

####################### DEINSTALL CLEAN OPERATION SUMMARY #######################
Successfully detached Oracle home '/u01/grid/grid_home/12.1.0.2' from the central inventory on the local node.
Successfully deleted directory '/u01/grid/grid_home/12.1.0.2' on the local node.
Oracle Universal Installer cleanup was successful.

Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################

############# ORACLE DEINSTALL TOOL END #############

重新安装的时候会报错:
[grid@localhost grid]$ ./runInstaller -responseFile /tmp/grid_install.rsp -silent -ignorePrereq -showProgress
Starting Oracle Universal Installer...

Checking Temp space: must be greater than 415 MB.   Actual 16245 MB    Passed
Checking swap space: must be greater than 150 MB.   Actual 4088 MB    Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2021-01-29_02-35-18AM. Please wait ...[grid@localhost grid]$ [FATAL] [INS-30516] Please specify unique disk groups.
   CAUSE: Installer has detected that the diskgroup name provided already exists on the system.
   ACTION: Specify different disk group.

这里提示原来的磁盘组已经存在
解决办法,将所有的磁盘清掉,不能只清理一个
dd if=/dev/zero count=10 bs=512 of=/dev/asm-diskb
dd if=/dev/zero count=10 bs=512 of=/dev/asm-diskc
dd if=/dev/zero count=10 bs=512 of=/dev/asm-diskd