Deinstall Oracle Database 12c with all PDBs
Here, i am listing how to deinstall oracle database 12c and all PDBs which are connected to the same CDB.
Step 1: Export ORACLE_HOME & PATH
bash-4.1$ export ORACLE_HOME=/mnt/Oracle/product/12.1.0.2/db_1
bash-4.1$ export PATH=$ORACLE_HOME/bin:$PATH
bash-4.1$ cd $ORACLE_HOME
bash-4.1$ cd bin
Go to the deinstall directory.
bash-4.1$ pwd
/mnt/Oracle/product/12.1.0.2/db_1/deinstall
Step 2: Run deinstall.sh, Below is the full listing of how deinstall process run through.
I have highlighted few parts in bold which needs user input and require more attention during deinstall process.
bash-4.1$ pwd
/mnt/Oracle/product/12.1.0.2/db_1/deinstall
bash-4.1$ ./deinstall
Checking for required files and bootstrapping ...
Please wait ...
Location of logs /tmp/deinstall2016-06-08_11-09-08AM/logs/
############ ORACLE DECONFIG TOOL START ############
The product version number of the specified home cannot be determined. Is the product version 12.1.0.2.0 (y - yes, n - no)? [n]y
######################### DECONFIG CHECK OPERATION START #########################
## [START] Install check configuration ##
The deinstall tool cannot determine the home type needed to deconfigure the selected home. Please select the type of Oracle home you are trying to deinstall.
Single Instance database - Enter 1
Real Application Cluster database - Enter 2
Grid Infrastructure for a cluster - Enter 3
Grid Infrastructure for a stand-alone server - Enter 4
Client Oracle Home - Enter 5
Transparent Gateways Oracle Home - Enter 6
GSM Oracle Home - Enter 7
1
The product version number of the specified home cannot be determined. Is the product version at least 11.2.0.1.0 (y - yes, n - no)? [n]
y
Checking for existence of the Oracle home location /mnt/Oracle/product/12.1.0.2/db_1
Oracle Home type selected for deinstall is: Oracle Single Instance Database
Oracle Base selected for deinstall is:
Checking for existence of central inventory location /mnt/Oracle/oraInventory
## [END] Install check configuration ##
Network Configuration check config START
Network de-configuration trace file location: /tmp/deinstall2016-06-08_11-09-08AM/logs/netdc_check2016-06-08_11-27-01-AM.log
Specify all Single Instance listeners that are to be de-configured. Enter .(dot) to deselect all. [LISTENERORCLNEW,LISTENER]:
Network Configuration check config END
Database Check Configuration START
Database de-configuration trace file location: /tmp/deinstall2016-06-08_11-09-08AM/logs/databasedc_check2016-06-08_11-27-11-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 [orcl12c,orclnew,orclchan]:
###### For Database 'orclnew' ######
Single Instance Database
The diagnostic destination location of the database: /mnt/Oracle/diag/rdbms/orclnew
Storage type used by the Database: FS
Database file location: /mnt/OrclNew/oradata/orclnew,/mnt/OrclNew/fast_recovery_area/orclnew
Fast recovery area location: /mnt/OrclNew/fast_recovery_area/ORCLNEW
database spfile location: /mnt/Oracle/product/12.1.0.2/db_1/dbs/spfileorclnew.ora
###### For Database 'orclchan' ######
Single Instance Database
The diagnostic destination location of the database: /mnt/Oracle/diag/rdbms/orclchan
Storage type used by the Database: FS
Database file location: /mnt/OrclChan/oradata/orclchan,/mnt/OrclChan/fast_recovery_area/orclchan
Fast recovery area location: /mnt/OrclChan/fast_recovery_area/ORCLCHAN
database spfile location: /mnt/Oracle/product/12.1.0.2/db_1/dbs/spfileorclchan.ora
The details of database(s) orclnew,orclchan have been discovered automatically. For database(s) orcl12c details will be prompted for confirmation. Do you still want to modify the details of orclnew,orclchan database(s)? [n]: y
###### For Database 'orcl12c' ######
Specify the type of this database (1.Single Instance Database|2.Oracle Restart Enabled Database) [1]: 1
Specify the diagnostic destination location of the database [/mnt/Oracle/diag/rdbms/orcl12c]:
Specify the storage type used by the Database ASM|FS []: FS
Specify the list of directories if any database files exist on a shared file system. If 'orcl12c' subdirectory is found, then it will be deleted. Otherwise, the specified directory will be deleted. Alternatively, you can specify list of database files with full path [ ]:
Specify the fast recovery area location, if it is configured on the file system. If 'orcl12c' subdirectory is found, then it will be deleted. []:
Specify the database spfile location [ ]:
###### For Database 'orclnew' ######
Specify the type of this database (1.Single Instance Database|2.Oracle Restart Enabled Database) [1]:
Specify the diagnostic destination location of the database [/mnt/Oracle/diag/rdbms/orclnew]:
Specify the storage type used by the Database ASM|FS [FS]:
Specify the list of directories if any database files exist on a shared file system. If 'orclnew' subdirectory is found, then it will be deleted. Otherwise, the specified directory will be deleted. Alternatively, you can specify list of database files with full path [/mnt/OrclNew/oradata/orclnew,/mnt/OrclNew/fast_recovery_area/orclnew]:
Specify the fast recovery area location, if it is configured on the file system. If 'orclnew' subdirectory is found, then it will be deleted. [/mnt/OrclNew/fast_recovery_area/ORCLNEW]:
Specify the database spfile location [/mnt/Oracle/product/12.1.0.2/db_1/dbs/spfileorclnew.ora]:
###### For Database 'orclchan' ######
Specify the type of this database (1.Single Instance Database|2.Oracle Restart Enabled Database) [1]:
Specify the diagnostic destination location of the database [/mnt/Oracle/diag/rdbms/orclchan]:
Specify the storage type used by the Database ASM|FS [FS]:
Specify the list of directories if any database files exist on a shared file system. If 'orclchan' subdirectory is found, then it will be deleted. Otherwise, the specified directory will be deleted. Alternatively, you can specify list of database files with full path [/mnt/OrclChan/oradata/orclchan,/mnt/OrclChan/fast_recovery_area/orclchan]:
Specify the fast recovery area location, if it is configured on the file system. If 'orclchan' subdirectory is found, then it will be deleted. [/mnt/OrclChan/fast_recovery_area/ORCLCHAN]:
Specify the database spfile location [/mnt/Oracle/product/12.1.0.2/db_1/dbs/spfileorclchan.ora]:
Database Check Configuration END
Oracle Configuration Manager check START
OCM check log file location : /tmp/deinstall2016-06-08_11-09-08AM/logs//ocm_check9495.log
Oracle Configuration Manager check END
######################### DECONFIG CHECK OPERATION END #########################
####################### DECONFIG CHECK OPERATION SUMMARY #######################
Oracle Home selected for deinstall is: /mnt/Oracle/product/12.1.0.2/db_1
Inventory Location where the Oracle home registered is: /mnt/Oracle/oraInventory
Following Single Instance listener(s) will be de-configured: LISTENERORCLNEW,LISTENER
The following databases were selected for de-configuration : orcl12c,orclnew,orclchan
Database unique name : orcl12c
Storage used : FS
Database unique name : orclnew
Storage used : FS
Database unique name : orclchan
Storage used : FS
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: '/tmp/deinstall2016-06-08_11-09-08AM/logs/deinstall_deconfig2016-06-08_11-10-35-AM.out'
Any error messages from this session will be written to: '/tmp/deinstall2016-06-08_11-09-08AM/logs/deinstall_deconfig2016-06-08_11-10-35-AM.err'
######################## DECONFIG CLEAN OPERATION START ########################
Database de-configuration trace file location: /tmp/deinstall2016-06-08_11-09-08AM/logs/databasedc_clean2016-06-08_11-29-24-AM.log
Database Clean Configuration START orcl12c
This operation may take few minutes.
Database Clean Configuration END orcl12c
Database Clean Configuration START orclnew
This operation may take few minutes.
Database Clean Configuration END orclnew
Database Clean Configuration START orclchan
This operation may take few minutes.
Database Clean Configuration END orclchan
Network Configuration clean config START
Network de-configuration trace file location: /tmp/deinstall2016-06-08_11-09-08AM/logs/netdc_clean2016-06-08_11-33-09-AM.log
De-configuring Single Instance listener(s): LISTENERORCLNEW,LISTENER
De-configuring listener: LISTENERORCLNEW
Stopping listener: LISTENERORCLNEW
Listener stopped successfully.
Deleting listener: LISTENERORCLNEW
Listener deleted successfully.
Listener de-configured successfully.
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 Naming Methods configuration file...
Naming Methods configuration file de-configured successfully.
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 : /tmp/deinstall2016-06-08_11-09-08AM/logs//ocm_clean9495.log
Oracle Configuration Manager clean END
######################### DECONFIG CLEAN OPERATION END #########################
####################### DECONFIG CLEAN OPERATION SUMMARY #######################
Successfully de-configured the following database instances : orcl12c,orclnew,orclchan
Following Single Instance listener(s) were de-configured successfully: LISTENERORCLNEW,LISTENER
Cleaning the config for CCR
As CCR is not configured, so skipping the cleaning of CCR configuration
CCR clean is finished
#######################################################################
############# ORACLE DECONFIG TOOL END #############
Using properties file /tmp/deinstall2016-06-08_11-09-08AM/response/deinstall_2016-06-08_11-10-35-AM.rsp
Location of logs /tmp/deinstall2016-06-08_11-09-08AM/logs/
############ ORACLE DEINSTALL TOOL START ############
####################### DEINSTALL CHECK OPERATION SUMMARY #######################
A log of this session will be written to: '/tmp/deinstall2016-06-08_11-09-08AM/logs/deinstall_deconfig2016-06-08_11-10-35-AM.out'
Any error messages from this session will be written to: '/tmp/deinstall2016-06-08_11-09-08AM/logs/deinstall_deconfig2016-06-08_11-10-35-AM.err'
######################## DEINSTALL CLEAN OPERATION START ########################
## [START] Preparing for Deinstall ##
Setting LOCAL_NODE to OraLinuxNode
Setting CRS_HOME to false
Setting oracle.installer.invPtrLoc to /tmp/deinstall2016-06-08_11-09-08AM/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 '/mnt/Oracle/product/12.1.0.2/db_1' from the central inventory on the local node : Done
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/bin'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/sqlplus/mesg'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/sqlplus'. The directory is not empty.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/rdbms/mesg'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/rdbms'. The directory is not empty.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/deinstall'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/lib'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/oracore/zoneinfo'. The directory is in use.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1/oracore'. The directory is not empty.
Failed to delete the directory '/mnt/Oracle/product/12.1.0.2/db_1'. The directory is not empty.
Delete directory '/mnt/Oracle/product/12.1.0.2/db_1' on the local node : Failed <<<<
Delete directory '/mnt/Oracle/oraInventory' 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/deinstall2016-06-08_11-09-08AM' on node 'OraLinuxNode'
## [END] Oracle install clean ##
######################### DEINSTALL CLEAN OPERATION END #########################
####################### DEINSTALL CLEAN OPERATION SUMMARY #######################
Successfully detached Oracle home '/mnt/Oracle/product/12.1.0.2/db_1' from the central inventory on the local node.
Failed to delete directory '/mnt/Oracle/product/12.1.0.2/db_1' on the local node.
Successfully deleted directory '/mnt/Oracle/oraInventory' on the local node.
Oracle Universal Installer cleanup was successful.
Run 'rm -r /opt/ORCLfmap' as root on node(s) 'OraLinuxNode' at the end of the session.
Run 'rm -r /etc/oratab' as root on node(s) 'OraLinuxNode' at the end of the session.
Oracle deinstall tool successfully cleaned up temporary directories.
#######################################################################
############# ORACLE DEINSTALL TOOL END #############
bash-4.1$
#######################################################################
#######################################################################
So, deinstallation completed and all files and folders also deleted except below directories.
/mnt/devops_0/Oracle/db1212/product/12.1.0.2/db_1/deinstall
This is because we have initiated deinstall process from above location hence Oracle cannot delete above directories. We can delete Oracle directory manually once deinstall process completed.
Thanks & Regards,
Chandan Tanwani
Oracle Performance Tuning Certified Expert
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