Deinstall Oracle 12.2 RDBMS HOME including database from two node RAC ASM environment.

Deinstall Oracle 12.2 RDBMS HOME including database from RAC ASM environments 

Verify the version which is being deinstalled

Run the deinstall command from 12.2 home  location 

Working log.

[oracle@wasdba1 deinstall]$ echo $ORACLE_HOME

/u01/app/db122000

[oracle@wasdba1 deinstall]$ $ORACLE_HOME/deinstall/deinstall

Checking for required files and bootstrapping ...

Please wait ...

Location of logs /u01/app/oraInventory/logs/

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

######################### DECONFIG CHECK OPERATION START #########################

## [START] Install check configuration ##

Checking for existence of the Oracle home location /u01/app/db122000

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/19300grid

The following nodes are part of this cluster: wasdba1,wasdba2

Active Remote Nodes are wasdba2

Checking for sufficient temp space availability on node(s) : 'wasdba1,wasdba2'

## [END] Install check configuration ##

Network Configuration check config START

Network de-configuration trace file location: /u01/app/oraInventory/logs/netdc_check2021-05-31_02-13-15-AM.log

Network Configuration check config END

Database Check Configuration START

Database de-configuration trace file location: /u01/app/oraInventory/logs/databasedc_check2021-05-31_02-15-34-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 [dbauni1]:

###### For Database 'dbauni1' ######

Specify the type of this database (1.Single Instance Database|2.Oracle Restart Enabled Database|3.RAC Database|4.RAC One Node Database) [1]: 3

Specify the list of nodes on which this database has instances [wasdba1]: wasdba1,wasdba2

Specify the list of instance names [dbauni1]:

Specify correct number of instances for admin managed database. Number of nodes does not match the number of instances.

Specify the list of nodes on which this database has instances [wasdba1]: wasdba1 wasdba2

Specify the list of instance names [dbauni1]:

Specify correct number of instances for admin managed database. Number of nodes does not match the number of instances.

Specify the list of nodes on which this database has instances [wasdba1]: wasdba1:wasdba2

Specify the list of instance names [dbauni1]:

Specify the local instance name on node   [dbauni1]: dbauni1:dbauni2

Specify the local instance name on node   [dbauni1]:

Specify the diagnostic destination location of the database [/u01/app/oracle/diag/rdbms/dbauni]:

Specify the storage type used by the Database ASM|FS []: ASM

Specify if database Archive Mode is Enabled. y/n [n]: y

Database Check Configuration END

Oracle Configuration Manager check START

OCM check log file location : /u01/app/oraInventory/logs//ocm_check2617.log

Oracle Configuration Manager check END

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

####################### DECONFIG CHECK OPERATION SUMMARY #######################

Oracle Grid Infrastructure Home is: /u01/app/19300grid

The following nodes are part of this cluster: wasdba1,wasdba2

Active Remote Nodes are wasdba2

The cluster node(s) on which the Oracle home deinstallation will be performed are:wasdba1,wasdba2

Oracle Home selected for deinstall is: /u01/app/db122000

Inventory Location where the Oracle home registered is: /u01/app/oraInventory

The following databases were selected for de-configuration : dbauni1

Database unique name : dbauni1

Storage used : ASM

Checking the config status for CCR

wasdba1 : Oracle Home exists with CCR directory, but CCR is not configured

wasdba2 : 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_deconfig2021-05-31_02-11-59-AM.out'

Any error messages from this session will be written to: '/u01/app/oraInventory/logs/deinstall_deconfig2021-05-31_02-11-59-AM.err'

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

Database de-configuration trace file location: /u01/app/oraInventory/logs/databasedc_clean2021-05-31_02-25-08-AM.log

Database Clean Configuration START dbauni1

This operation may take few minutes.

Database Clean Configuration END dbauni1

Network Configuration clean config START

Network de-configuration trace file location: /u01/app/oraInventory/logs/netdc_clean2021-05-31_02-25-38-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 : /u01/app/oraInventory/logs//ocm_clean2617.log

Oracle Configuration Manager clean END

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

####################### DECONFIG CLEAN OPERATION SUMMARY #######################

Successfully de-configured the following database instances : dbauni1

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/deinstall2021-05-31_02-11-48AM/response/deinstall_2021-05-31_02-11-59-AM.rsp

Location of logs /u01/app/oraInventory/logs/

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

####################### DEINSTALL CHECK OPERATION SUMMARY #######################

A log of this session will be written to: '/u01/app/oraInventory/logs/deinstall_deconfig2021-05-31_02-11-59-AM.out'

Any error messages from this session will be written to: '/u01/app/oraInventory/logs/deinstall_deconfig2021-05-31_02-11-59-AM.err'

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

## [START] Preparing for Deinstall ##

Setting LOCAL_NODE to wasdba1

Setting REMOTE_NODES to wasdba2

Setting CLUSTER_NODES to wasdba1,wasdba2

Setting CRS_HOME to false

Setting oracle.installer.invPtrLoc to /tmp/deinstall2021-05-31_02-11-48AM/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/app/db122000' from the central inventory on the local node : Done

Delete directory '/u01/app/db122000' on the local node : Done

The Oracle Base directory '/u01/app/oracle' will not be removed on local node. The directory is in use by Oracle Home '/u01/app/19300grid'.

Detach Oracle home '/u01/app/db122000' from the central inventory on the remote nodes 'wasdba2' : Done

Delete directory '/u01/app/db122000' on the remote nodes 'wasdba2' : Done

The Oracle Base directory '/u01/app/oracle' will not be removed on node 'wasdba2'. The directory is in use by Oracle Home '/u01/app/19300grid'.

Oracle Universal Installer cleanup was successful.

Oracle Universal Installer clean END

## [START] Oracle install clean ##

Clean install operation removing temporary directory '/tmp/deinstall2021-05-31_02-11-48AM' on node 'wasdba2'

## [END] Oracle install clean ##

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

####################### DEINSTALL CLEAN OPERATION SUMMARY #######################

Successfully detached Oracle home '/u01/app/db122000' from the central inventory on the local node.

Successfully deleted directory '/u01/app/db122000' on the local node.

Successfully detached Oracle home '/u01/app/db122000' from the central inventory on the remote nodes 'wasdba2'.

Successfully deleted directory '/u01/app/db122000' on the remote nodes 'wasdba2'.

Oracle Universal Installer cleanup was successful.

Review the permissions and contents of '/u01/app/oracle' on nodes(s) 'wasdba1,wasdba2'.

If there are no Oracle home(s) associated with '/u01/app/oracle', manually delete '/u01/app/oracle' and its contents.

Oracle deinstall tool successfully cleaned up temporary directories.

#######################################################################

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

[oracle@wasdba1 deinstall]$

Good Luck.