Delete a Node from Oracle RAC 11gR2(11.2.0.3) on Oracle Linux 6

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RAC/DG/OGG

This guide shows how to remove a node from an existing 11gR2 Oracle RAC cluster. It is assumed that the node in question is available and is not part of a GNS/Grid Plug and Play cluster. In other words, the database is considered to be "Administrator-Managed". Also, the database software is non-shared. This guide uses a 3-node cluster running Oracle Linux 6.3 (x64). The three nodes are "node1", "node2", and "node3",we will be removing "node3" from the cluster.

Delete Node from Cluster
"Unpin" node
"Unpin" the node – in our case "node3" – from all nodes that are to remain in the cluster; in this case, "node1" and "node2". Specify the node you plan on deleting in the command and do so on each remaining node in the cluster.

[root@node1 ~]# /u01/app/11.2.0/grid/bin/crsctl unpin css -n node3
CRS-4667: Node node3 successfully unpinned.

[root@node2 ~]# /u01/app/11.2.0/grid/bin/crsctl unpin css -n node3
CRS-4667: Node node3 successfully unpinned.

Remove RAC Database Instance(s)
The node we are removing houses an instance – "zhongwc3" – which is part of a RAC database – "zhongwc".

Remove the "zhongwc3" instance from the "zhongwc" database using "dbca" in "Silent Mode"

[oracle@node1 ~]$ dbca -silent -deleteInstance -nodeList node3 -gdbName zhongwc -instanceName zhongwc3 -sysDBAUserName sys -sysDBAPassword oracle
Deleting instance
1% complete
2% complete
6% complete
13% complete
20% complete
26% complete
33% complete
40% complete
46% complete
53% complete
60% complete
66% complete
Completing instance management.
100% complete
Look at the log file "/u01/app/oracle/cfgtoollogs/dbca/zhongwc.log" for further details.

In this case, we ran the command as "oracle" on "zhongwc1". Afterwards, the database should only show 2 threads and the configuration of the database should show "zhongwc1" and "zhongwc2" as its only instances.

[oracle@node1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Sat Jan 5 15:20:12 2013
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
Session altered.
SQL> col host_name format a11
SQL> set line 300
SQL> select INSTANCE_NAME,HOST_NAME,VERSION,STARTUP_TIME,STATUS,ACTIVE_STATE,INSTANCE_ROLE,DATABASE_STATUS from gv$INSTANCE;
INSTANCE_NAME HOST_NAME VERSION STARTUP_TIME STATUS ACTIVE_ST INSTANCE_ROLE DATABASE_STATUS
---------------- ----------- ----------------- ------------------- ------------ --------- ------------------ -----------------
zhongwc1 node1 11.2.0.3.0 2013-01-05 09:53:24 OPEN NORMAL PRIMARY_INSTANCE ACTIVE
zhongwc2 node2 11.2.0.3.0 2013-01-04 17:34:40 OPEN NORMAL PRIMARY_INSTANCE ACTIVE

[oracle@node1 ~]$ srvctl config database -d zhongwc -v
Database unique name: zhongwc
Database name: zhongwc
Oracle home: /u01/app/oracle/product/11.2.0/dbhome_1
Oracle user: oracle
Spfile: +DATADG/zhongwc/spfilezhongwc.ora
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools: zhongwc
Database instances: zhongwc1,zhongwc2
Disk Groups: DATADG,FRADG
Mount point paths:
Services:
Type: RAC
Database is administrator managed

Remove RAC Database Software
In this step, the Oracle RAC database software will be removed from the node that will be deleted. Additionally, the inventories of the remaining nodes will be updated to reflect the removal of the node’s Oracle RAC database software home, etc.
Any listener running on "node3" will need to be stopped.

[oracle@node3 ~]$ srvctl disable listener -n node3
[oracle@node3 ~]$ srvctl stop listener -n node3

Update inventory on "node3"

[oracle@node3 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=$ORACLE_HOME "CLUSTER_NODES={node3}" -local
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 3930 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.

Remove the RAC Database Software from "node3"

[oracle@node3 ~]$ cd $ORACLE_HOME/deinstall
[oracle@node3 deinstall]$ ./deinstall -local
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /u01/app/oraInventory/logs/
############ ORACLE DEINSTALL & DECONFIG TOOL START ############
######################### CHECK OPERATION START #########################
## [START] Install check configuration ##
Checking for existence of the Oracle home location /u01/app/oracle/product/11.2.0/dbhome_1
Oracle Home type selected for deinstall is: Oracle Real Application Cluster Database
Oracle Base selected for deinstall is: /u01/app/oracle
Checking for existence of central inventory location /u01/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /u01/app/11.2.0/grid
The following nodes are part of this cluster: node3
Checking for sufficient temp space availability on node(s) : 'node3'
## [END] Install check configuration ##
Network Configuration check config START
Network de-configuration trace file location: /u01/app/oraInventory/logs/netdc_check2013-01-05_03-34-48-PM.log
Network Configuration check config END
Database Check Configuration START
Database de-configuration trace file location: /u01/app/oraInventory/logs/databasedc_check2013-01-05_03-34-56-PM.log
Database Check Configuration END
Enterprise Manager Configuration Assistant START
EMCA de-configuration trace file location: /u01/app/oraInventory/logs/emcadc_check2013-01-05_03-35-03-PM.log
Enterprise Manager Configuration Assistant END
Oracle Configuration Manager check START
OCM check log file location : /u01/app/oraInventory/logs//ocm_check3913.log
Oracle Configuration Manager check END
######################### CHECK OPERATION END #########################
####################### CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /u01/app/11.2.0/grid
The cluster node(s) on which the Oracle home deinstallation will be performed are:node3
Since -local option has been specified, the Oracle home will be deinstalled only on the local node, 'node3', and the global configuration will be removed.
Oracle Home selected for deinstall is: /u01/app/oracle/product/11.2.0/dbhome_1
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
The option -local will not modify any database configuration for this Oracle home.
No Enterprise Manager configuration to be updated for any database(s)
No Enterprise Manager ASM targets to update
No Enterprise Manager listener targets to migrate
Checking the config status for CCR
Oracle Home exists with CCR directory, but CCR is not configured
CCR check is finished
Do you want to continue (y - yes, n - no)? [n]: y
A log of this session will be written to: '/u01/app/oraInventory/logs/deinstall_deconfig2013-01-05_03-34-20-PM.out'
Any error messages from this session will be written to: '/u01/app/oraInventory/logs/deinstall_deconfig2013-01-05_03-34-20-PM.err'
######################## CLEAN OPERATION START ########################
Enterprise Manager Configuration Assistant START
EMCA de-configuration trace file location: /u01/app/oraInventory/logs/emcadc_clean2013-01-05_03-35-03-PM.log
Updating Enterprise Manager ASM targets (if any)
Updating Enterprise Manager listener targets (if any)
Enterprise Manager Configuration Assistant END
Database de-configuration trace file location: /u01/app/oraInventory/logs/databasedc_clean2013-01-05_03-35-33-PM.log
Network Configuration clean config START
Network de-configuration trace file location: /u01/app/oraInventory/logs/netdc_clean2013-01-05_03-35-33-PM.log
De-configuring Local Net Service Names configuration file...
Local Net Service Names 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
Oracle Configuration Manager clean START
OCM clean log file location : /u01/app/oraInventory/logs//ocm_clean3913.log
Oracle Configuration Manager clean END
Setting the force flag to false
Setting the force flag to cleanup the Oracle Base
Oracle Universal Installer clean START
Detach Oracle home '/u01/app/oracle/product/11.2.0/dbhome_1' from the central inventory on the local node : Done
Delete directory '/u01/app/oracle/product/11.2.0/dbhome_1' on the local node : Done
The Oracle Base directory '/u01/app/oracle' 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/deinstall2013-01-05_03-32-07PM' on node 'node3'
## [END] Oracle install clean ##
######################### CLEAN OPERATION END #########################
####################### CLEAN OPERATION SUMMARY #######################
Cleaning the config for CCR
As CCR is not configured, so skipping the cleaning of CCR configuration
CCR clean is finished
Successfully detached Oracle home '/u01/app/oracle/product/11.2.0/dbhome_1' from the central inventory on the local node.
Successfully deleted directory '/u01/app/oracle/product/11.2.0/dbhome_1' on the local node.
Oracle Universal Installer cleanup was successful.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL & DECONFIG TOOL END #############

Make sure to specify the "-local" flag as not to remove more than just the local node’s software, etc.
Update inventories/node list on the remaining nodes.

[oracle@node1 ~]$ cd $ORACLE_HOME/oui/bin
[oracle@node1 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=$ORACLE_HOME "CLUSTER_NODES={node1,node2}"
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 3598 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.

Remove Clusterware
Disable the Clusterware on "node3" as root

[root@node3 ~]# /u01/app/11.2.0/grid/crs/install/rootcrs.pl -deconfig -force
Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params
Network exists: 1/192.168.0.0/255.255.0.0/eth0, type static
VIP exists: /node1-vip/192.168.1.151/192.168.0.0/255.255.0.0/eth0, hosting node node1
VIP exists: /node2-vip/192.168.1.152/192.168.0.0/255.255.0.0/eth0, hosting node node2
VIP exists: /node3-vip/192.168.1.153/192.168.0.0/255.255.0.0/eth0, hosting node node3
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 'node3'
CRS-2673: Attempting to stop 'ora.crsd' on 'node3'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'node3'
CRS-2673: Attempting to stop 'ora.oc4j' on 'node3'
CRS-2673: Attempting to stop 'ora.CRS.dg' on 'node3'
CRS-2673: Attempting to stop 'ora.DATADG.dg' on 'node3'
CRS-2673: Attempting to stop 'ora.FRADG.dg' on 'node3'
CRS-2677: Stop of 'ora.DATADG.dg' on 'node3' succeeded
CRS-2677: Stop of 'ora.FRADG.dg' on 'node3' succeeded
CRS-2677: Stop of 'ora.oc4j' on 'node3' succeeded
CRS-2672: Attempting to start 'ora.oc4j' on 'node1'
CRS-2676: Start of 'ora.oc4j' on 'node1' succeeded
CRS-2677: Stop of 'ora.CRS.dg' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'node3'
CRS-2677: Stop of 'ora.asm' on 'node3' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'node3' has completed
CRS-2677: Stop of 'ora.crsd' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.ctssd' on 'node3'
CRS-2673: Attempting to stop 'ora.evmd' on 'node3'
CRS-2673: Attempting to stop 'ora.asm' on 'node3'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'node3'
CRS-2677: Stop of 'ora.evmd' on 'node3' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'node3' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'node3' succeeded
CRS-2677: Stop of 'ora.asm' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'node3'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'node3'
CRS-2677: Stop of 'ora.cssd' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'node3'
CRS-2677: Stop of 'ora.crf' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'node3'
CRS-2677: Stop of 'ora.gipcd' on 'node3' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'node3'
CRS-2677: Stop of 'ora.gpnpd' on 'node3' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'node3' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Successfully deconfigured Oracle clusterware stack on this node

Delete "node3" node from Clusterware configuration (on a remaining node)

[root@node1 ~]# /u01/app/11.2.0/grid/bin/crsctl delete node -n node3
CRS-4661: Node node3 successfully deleted.
[root@node1 ~]# /u01/app/11.2.0/grid/bin/olsnodes -t -s
node1 Active Unpinned
node2 Active Unpinned

Update inventory on "node3" as the "GRID" software owner.

[grid@node3 ~]$ cd $ORACLE_HOME/oui/bin
[grid@node3 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=$ORACLE_HOME "CLUSTER_NODES={node3}" CRS=TRUE -local
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 4075 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.

Remove the Clusterware Software from "node3"

[grid@node3 ~]$ cd $ORACLE_HOME/oui/bin
[grid@node3 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=$ORACLE_HOME "CLUSTER_NODES={node3}" CRS=TRUE -local
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 4075 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.
[grid@node3 bin]$ cd $ORACLE_HOME/deinstall
[grid@node3 deinstall]$ ./deinstall -local
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2013-01-05_03-58-04PM/logs/
############ ORACLE DEINSTALL & DECONFIG TOOL START ############
######################### CHECK OPERATION START #########################
## [START] Install check configuration ##
Checking for existence of the Oracle home location /u01/app/11.2.0/grid
Oracle Home type selected for deinstall is: Oracle Grid Infrastructure for a Cluster
Oracle Base selected for deinstall is: /u01/app/grid
Checking for existence of central inventory location /u01/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home
The following nodes are part of this cluster: node3
Checking for sufficient temp space availability on node(s) : 'node3'
## [END] Install check configuration ##
Traces log file: /tmp/deinstall2013-01-05_03-58-04PM/logs//crsdc.log
Enter an address or the name of the virtual IP used on node "node3"[node3-vip]
>
The following information can be collected by running "/sbin/ifconfig -a" on node "node3"
Enter the IP netmask of Virtual IP "192.168.1.153" on node "node3"[255.255.255.0]
>
Enter the network interface name on which the virtual IP address "192.168.1.153" is active
>
Enter an address or the name of the virtual IP[]
>
Network Configuration check config START
Network de-configuration trace file location: /tmp/deinstall2013-01-05_03-58-04PM/logs/netdc_check2013-01-05_04-02-44-PM.log
Specify all RAC listeners (do not include SCAN listener) that are to be de-configured [LISTENER]:
Network Configuration check config END
Asm Check Configuration START
ASM de-configuration trace file location: /tmp/deinstall2013-01-05_03-58-04PM/logs/asmcadc_check2013-01-05_04-02-56-PM.log
######################### CHECK OPERATION END #########################
####################### CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is:
The cluster node(s) on which the Oracle home deinstallation will be performed are:node3
Since -local option has been specified, the Oracle home will be deinstalled only on the local node, 'node3', and the global configuration will be removed.
Oracle Home selected for deinstall is: /u01/app/11.2.0/grid
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
Following RAC listener(s) will be de-configured: LISTENER
Option -local will not modify any ASM configuration.
Do you want to continue (y - yes, n - no)? [n]: y
A log of this session will be written to: '/tmp/deinstall2013-01-05_03-58-04PM/logs/deinstall_deconfig2013-01-05_03-58-44-PM.out'
Any error messages from this session will be written to: '/tmp/deinstall2013-01-05_03-58-04PM/logs/deinstall_deconfig2013-01-05_03-58-44-PM.err'
######################## CLEAN OPERATION START ########################
ASM de-configuration trace file location: /tmp/deinstall2013-01-05_03-58-04PM/logs/asmcadc_clean2013-01-05_04-03-08-PM.log
ASM Clean Configuration END
Network Configuration clean config START
Network de-configuration trace file location: /tmp/deinstall2013-01-05_03-58-04PM/logs/netdc_clean2013-01-05_04-03-08-PM.log
De-configuring RAC listener(s): LISTENER
De-configuring listener: LISTENER
Stopping listener on node "node3": LISTENER
Warning: Failed to stop listener. Listener may not be running.
Listener 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
---------------------------------------->
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 "node3".
/tmp/deinstall2013-01-05_03-58-04PM/perl/bin/perl -I/tmp/deinstall2013-01-05_03-58-04PM/perl/lib -I/tmp/deinstall2013-01-05_03-58-04PM/crs/install /tmp/deinstall2013-01-05_03-58-04PM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2013-01-05_03-58-04PM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Press Enter after you finish running the above commands
<----------------------------------------

Make sure to specify the "-local" flag as not to remove more than just the local node’s software, etc.
The script will provide commands to be run as "root", in another window.

Don't rush to press "Enter".

Run the following command as the root user or the administrator on node "node3".
/tmp/deinstall2013-01-05_03-58-04PM/perl/bin/perl -I/tmp/deinstall2013-01-05_03-58-04PM/perl/lib -I/tmp/deinstall2013-01-05_03-58-04PM/crs/install /tmp/deinstall2013-01-05_03-58-04PM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2013-01-05_03-58-04PM/response/deinstall_Ora11g_gridinfrahome1.rsp"

[root@node3 ~]# /tmp/deinstall2013-01-05_03-58-04PM/perl/bin/perl -I/tmp/deinstall2013-01-05_03-58-04PM/perl/lib -I/tmp/deinstall2013-01-05_03-58-04PM/crs/install /tmp/deinstall2013-01-05_03-58-04PM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2013-01-05_03-58-04PM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Using configuration parameter file: /tmp/deinstall2013-01-05_03-58-04PM/response/deinstall_Ora11g_gridinfrahome1.rsp
****Unable to retrieve Oracle Clusterware home.
Start Oracle Clusterware stack and try again.
CRS-4047: No Oracle Clusterware components configured.
CRS-4000: Command Stop failed, or completed with errors.
################################################################
# You must kill processes or reboot the system to properly #
# cleanup the processes started by Oracle clusterware #
################################################################
Either /etc/oracle/olr.loc does not exist or is not readable
Make sure the file exists and it has read and execute access
Either /etc/oracle/olr.loc does not exist or is not readable
Make sure the file exists and it has read and execute access
Failure in execution (rc=-1, 256, No such file or directory) for command /etc/init.d/ohasd deinstall
error: package cvuqdisk is not installed
Successfully deconfigured Oracle clusterware stack on this node

[root@node3 ~]# rm -rf /etc/oraInst.loc
[root@node3 ~]# rm -rf /opt/ORCLfmap

Press "Enter" to continue.

Run the following command as the root user or the administrator on node "node3".
/tmp/deinstall2013-01-05_03-58-04PM/perl/bin/perl -I/tmp/deinstall2013-01-05_03-58-04PM/perl/lib -I/tmp/deinstall2013-01-05_03-58-04PM/crs/install /tmp/deinstall2013-01-05_03-58-04PM/crs/install/rootcrs.pl -force -deconfig -paramfile "/tmp/deinstall2013-01-05_03-58-04PM/response/deinstall_Ora11g_gridinfrahome1.rsp"
Press Enter after you finish running the above commands
<----------------------------------------
Remove the directory: /tmp/deinstall2013-01-05_03-58-04PM on node:
Setting the force flag to false
Setting the force flag to cleanup the Oracle Base
Oracle Universal Installer clean START
Detach Oracle home '/u01/app/11.2.0/grid' from the central inventory on the local node : Done
Delete directory '/u01/app/11.2.0/grid' on the local node : Done
Delete directory '/u01/app/oraInventory' on the local node : Done
Delete directory '/u01/app/grid' on the local node : Done
Oracle Universal Installer cleanup was successful.
Oracle Universal Installer clean END
## [START] Oracle install clean ##
Clean install operation removing temporary directory '/tmp/deinstall2013-01-05_03-58-04PM' on node 'node3'
## [END] Oracle install clean ##
######################### CLEAN OPERATION END #########################
####################### CLEAN OPERATION SUMMARY #######################
Following RAC listener(s) were de-configured successfully: LISTENER
Oracle Clusterware is stopped and successfully de-configured on node "node3"
Oracle Clusterware is stopped and de-configured successfully.
Successfully detached Oracle home '/u01/app/11.2.0/grid' from the central inventory on the local node.
Successfully deleted directory '/u01/app/11.2.0/grid' on the local node.
Successfully deleted directory '/u01/app/oraInventory' on the local node.
Successfully deleted directory '/u01/app/grid' on the local node.
Oracle Universal Installer cleanup was successful.
Run 'rm -rf /etc/oraInst.loc' as root on node(s) 'node3' at the end of the session.
Run 'rm -rf /opt/ORCLfmap' as root on node(s) 'node3' at the end of the session.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL & DECONFIG TOOL END #############

Update inventories/node list on the remaining nodes.

[grid@node1 ~]$ cd $ORACLE_HOME/oui/bin
[grid@node1 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=$ORACLE_HOME "CLUSTER_NODES={node1,node2}" CRS=TRUE
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 3493 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.

Confirm that the node in question – zhongwc3 – has been properly removed via.

[grid@node1 ~]$ cluvfy stage -post nodedel -n node3
Performing post-checks for node removal
Checking CRS integrity...
Clusterware version consistency passed
CRS integrity check passed
Node removal check passed
Post-check for node removal was successful.

[grid@node1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.CRS.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.DATADG.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.FRADG.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.LISTENER.lsnr
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.asm
ONLINE ONLINE node1 Started
ONLINE ONLINE node2 Started
ora.gsd
OFFLINE OFFLINE node1
OFFLINE OFFLINE node2
ora.net1.network
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.ons
ONLINE ONLINE node1
ONLINE ONLINE node2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE node2
ora.cvu
1 ONLINE ONLINE node1
ora.node1.vip
1 ONLINE ONLINE node1
ora.node2.vip
1 ONLINE ONLINE node2
ora.oc4j
1 ONLINE ONLINE node1
ora.scan1.vip
1 ONLINE ONLINE node2
ora.zhongwc.db
1 ONLINE ONLINE node1 Open
2 ONLINE ONLINE node2 Open

[oracle@node1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Sat Jan 5 16:30:58 2013
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
Session altered.
SQL> col host_name format a11
SQL> set line 300
SQL> select INSTANCE_NAME,HOST_NAME,VERSION,STARTUP_TIME,STATUS,ACTIVE_STATE,INSTANCE_ROLE,DATABASE_STATUS from gv$INSTANCE;
INSTANCE_NAME HOST_NAME VERSION STARTUP_TIME STATUS ACTIVE_ST INSTANCE_ROLE DATABASE_STATUS
---------------- ----------- ----------------- ------------------- ------------ --------- ------------------ -----------------
zhongwc1 node1 11.2.0.3.0 2013-01-05 09:53:24 OPEN NORMAL PRIMARY_INSTANCE ACTIVE
zhongwc2 node2 11.2.0.3.0 2013-01-04 17:34:40 OPEN NORMAL PRIMARY_INSTANCE ACTIVE

参考至：http://blog.csdn.net/staricqxyz/article/details/8468774

如有错误，欢迎指正

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