oracle 11g rac 靜默解除安裝

由於需要修改ASM儲存方式，所以需要解除安裝oracle資料庫，重新安裝。
1、首先檢查rac狀態
[grid@RAC-2 ~]$ crsctl status res -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.BACKUP.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.CRS.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.DATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.LISTENER.lsnr
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.MEM_DATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.RACDATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.asm
               ONLINE  ONLINE       rac-1                    Started             
               ONLINE  ONLINE       rac-2                    Started             
ora.gsd
               ONLINE  OFFLINE      rac-1                                        
               ONLINE  OFFLINE      rac-2                                        
ora.net1.network
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.ons
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac-1                                        
ora.cvu
      1        ONLINE  ONLINE       rac-1                                        
ora.oc4j
      1        ONLINE  ONLINE       rac-1                                        
ora.oralnx.db
      1        ONLINE  ONLINE       rac-1                    Open                
      2        ONLINE  ONLINE       rac-2                    Open                
ora.rac-1.vip
      1        ONLINE  ONLINE       rac-1                                        
ora.rac-2.vip
      1        ONLINE  ONLINE       rac-2                                        
ora.scan1.vip
      1        ONLINE  ONLINE       rac-1                                        

2、進入oracle_home目錄下，執行deinstall。
  cd $ORACLE_HOME/deinstall
  [oracle@RAC-1 deinstall]$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /oracle/app/oraInventory/logs/


############ ORACLE DEINSTALL & DECONFIG TOOL START ############




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




Checking for existence of the Oracle home location /oracle/app/oracle/product/11.2/db_1
Oracle Home type selected for deinstall is: Oracle Real Application Cluster Database
Oracle Base selected for deinstall is: /oracle/app/oracle
Checking for existence of central inventory location /oracle/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home /oracle/app/11.2/grid
The following nodes are part of this cluster: rac-1,rac-2
Checking for sufficient temp space availability on node(s) : 'rac-1,rac-2'


## [END] Install check configuration ##




Network Configuration check config START


Network de-configuration trace file location: /oracle/app/oraInventory/logs/netdc_check2014-04-08_10-35-56-AM.log


Network Configuration check config END


Database Check Configuration START


Database de-configuration trace file location: /oracle/app/oraInventory/logs/databasedc_check2014-04-08_10-35-59-AM.log


Use comma as separator when specifying list of values as input


Specify the list of database names that are configured in this Oracle home [oralnx]:    此處預設，回車即可


###### For Database 'oralnx' ######


RAC Database
The nodes on which this database has instances: [rac-1, rac-2]
The instance names: [oralnx1, oralnx2]
The local instance name on node: oralnx1 
The diagnostic destination location of the database: /oracle/app/oracle/diag/rdbms/oralnx
Storage type used by the Database: ASM


The details of database(s) oralnx have been discovered automatically. Do you still want to modify the details of oralnx database(s)? [n]:  此處預設，回車即可


Database Check Configuration END


Enterprise Manager Configuration Assistant START


EMCA de-configuration trace file location: /oracle/app/oraInventory/logs/emcadc_check2014-04-08_10-36-59-AM.log 


Checking configuration for database oralnx
Enterprise Manager Configuration Assistant END
Oracle Configuration Manager check START
OCM check log file location : /oracle/app/oraInventory/logs//ocm_check5383.log
Oracle Configuration Manager check END


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




####################### CHECK OPERATION SUMMARY #######################
Oracle Grid Infrastructure Home is: /oracle/app/11.2/grid
The cluster node(s) on which the Oracle home deinstallation will be performed are:rac-1,rac-2
Oracle Home selected for deinstall is: /oracle/app/oracle/product/11.2/db_1
Inventory Location where the Oracle home registered is: /oracle/app/oraInventory
The following databases were selected for de-configuration : oralnx
Database unique name : oralnx
Storage used : ASM
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
rac-1 : Oracle Home exists with CCR directory, but CCR is not configured
rac-2 : 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   此處輸入y 回車
A log of this session will be written to: '/oracle/app/oraInventory/logs/deinstall_deconfig2014-04-08_10-35-48-AM.out'
Any error messages from this session will be written to: '/oracle/app/oraInventory/logs/deinstall_deconfig2014-04-08_10-35-48-AM.err'


######################## CLEAN OPERATION START ########################


Enterprise Manager Configuration Assistant START


EMCA de-configuration trace file location: /oracle/app/oraInventory/logs/emcadc_clean2014-04-08_10-36-59-AM.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: /oracle/app/oraInventory/logs/databasedc_clean2014-04-08_10-37-24-AM.log
Database Clean Configuration START oralnx
This operation may take few minutes.
Database Clean Configuration END oralnx


Network Configuration clean config START


Network de-configuration trace file location: /oracle/app/oraInventory/logs/netdc_clean2014-04-08_10-40-25-AM.log


De-configuring Listener configuration file on all nodes...
Listener configuration file 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


Oracle Configuration Manager clean START
OCM clean log file location : /oracle/app/oraInventory/logs//ocm_clean5383.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 '/oracle/app/oracle/product/11.2/db_1' from the central inventory on the local node : Done


Delete directory '/oracle/app/oracle/product/11.2/db_1' on the local node : Done


The Oracle Base directory '/oracle/app/oracle' will not be removed on local node. The directory is not empty.


Detach Oracle home '/oracle/app/oracle/product/11.2/db_1' from the central inventory on the remote nodes 'rac-2' : Done


Delete directory '/oracle/app/oracle/product/11.2/db_1' on the remote nodes 'rac-2' : Done


The Oracle Base directory '/oracle/app/oracle' will not be removed on node 'rac-2'. 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/deinstall2014-04-08_10-35-37AM' on node 'RAC-1'
Clean install operation removing temporary directory '/tmp/deinstall2014-04-08_10-35-37AM' on node 'rac-2'


## [END] Oracle install clean ##




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




####################### CLEAN OPERATION SUMMARY #######################
Successfully de-configured the following database instances : oralnx
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 '/oracle/app/oracle/product/11.2/db_1' from the central inventory on the local node.
Successfully deleted directory '/oracle/app/oracle/product/11.2/db_1' on the local node.
Successfully detached Oracle home '/oracle/app/oracle/product/11.2/db_1' from the central inventory on the remote nodes 'rac-2'.
Successfully deleted directory '/oracle/app/oracle/product/11.2/db_1' on the remote nodes 'rac-2'.
Oracle Universal Installer cleanup was successful.


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




############# ORACLE DEINSTALL & DECONFIG TOOL END #############

   過程很簡單，幾分鐘搞定。
3、檢查rac狀態，一切正常。

[grid@RAC-2 ~]$ crsctl status res -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.BACKUP.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.CRS.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.DATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.LISTENER.lsnr
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.MEM_DATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.RACDATA.dg
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.asm
               ONLINE  ONLINE       rac-1                    Started             
               ONLINE  ONLINE       rac-2                    Started             
ora.gsd
               ONLINE  OFFLINE      rac-1                                        
               ONLINE  OFFLINE      rac-2                                        
ora.net1.network
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
ora.ons
               ONLINE  ONLINE       rac-1                                        
               ONLINE  ONLINE       rac-2                                        
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac-1                                        
ora.cvu
      1        ONLINE  ONLINE       rac-1                                        
ora.oc4j
      1        ONLINE  ONLINE       rac-1                                        
ora.rac-1.vip
      1        ONLINE  ONLINE       rac-1                                        
ora.rac-2.vip
      1        ONLINE  ONLINE       rac-2                                        
ora.scan1.vip
      1        ONLINE  ONLINE       rac-1                                        
[grid@RAC-2 ~]$ 

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