Where You Can Find the Oracle 11g 12c DBCA Installation / Trace Logs

Sometimes it is confusing to find out the oracle DBCA installation logs or trace files from the file system as it won’t display path during the installation.
By default, oracle DBCA installation, trace log files go to

DBMS_MACADM Package to Disable / Enable Database Vault in Oracle 12c

SQL Query to Check Database Vault is enable or not.
SQL> SELECT * FROM V$OPTION WHERE PARAMETER = 'Oracle Database Vault';

PARAMETER            VALUE                    CON_ID

---------------------- ------------------------ ----------
Oracle Database Vault  TRUE                     0

Disabling Steps:

Fix: ORA-15081: failed to submit an I/O operation to a disk; Unmounting ASMlib driver filesystem: failed

Error Description
Oracle clusterware configuration failed with ORA-15081 and PROC-26: Error while accessing the physical storage. Also oracleasm exit command failed with “Unable to unmount ASMlib driver filesystem”

ORA-01105 ORA-19808: Database Instance Startup Failed with ORA-01105: mount is incompatible with mounts by other instances

Error Description
For RAC database one instance is running and when I try to start the second instance I am getting following errors
[oracle@node1 script]$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Wed Jul 20 12:07:53 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

[INS-40719] IP address configured for Single Client Access Name (SCAN): is already assigned to another system

Error Description:
Oracle grid/clusterware installation / reinstallation throws following error with SCAN configuration.
[INS-40719] IP address configured for Single Client Access Name (SCAN): is already assigned to another system

Install Oracle GoldenGate 12.2.0.1.1 on Linux – Step by Step Instructions

Download the software from any of these links.

Download Steps
Step 1. Login to edelivery.oracle.com with your credentials.

How to Remove / Deinstall Oracle Grid Infrastructure / Clusterware Software from RAC Nodes on Linux

Steps
1.  Login as grid (clusterware owner)
2.  Go to software directory where the runInstaller located

3.  ./runInstaller -deinstall –home <GRID_HOME>
Example
[grid@node110 grid]$ ./runInstaller -deinstall -home /u01/app/12.1.0/grid
Checking for required space in /tmp directory ...
Space check on /tmp directory passed
Bootstrapping the deinstall components
 

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