Month: August 2020

“PRVF-4037 : CRS is not installed on any of the nodes” when installing 11.2 RAC in 19c Grid Infrastructure

While installing Oracle Database 11.2.0.4 RAC in 19c GI, the following errors occur:

INFO: Verification Result for Node:racnode1
WARNING: Result values are not available for this verification task
INFO: Error Message:PRVF-4037 : CRS is not installed on any of the nodes
INFO: Cause: Could not identify a CRS installation on any node.
INFO: Action: Ensure that CRS is installed on all the nodes participating in the operation.
INFO: ***
INFO: Node Application Existence: This test checks the existence of Node Applications on the system.
INFO: Severity:CRITICAL
INFO: OverallStatus:OPERATION_FAILED
INFO: -----------------------------------------------

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Then rerun the installation successfully.

[oracle@racnode1 ~]$ /tmp/database/runInstaller -silent -responseFile /home/oracle/11204_install_rac.rsp -showProgress 
...
..
.
………………………………………….. 9% Done.
Prepare successful.
Copy files in progress.
………………………………………….. 15% Done.
………………………………………….. 20% Done.
………………………………………….. 25% Done.
………………………………………….. 30% Done.
………………………………………….. 36% Done.
………………………………………….. 41% Done.
………………………………………….. 46% Done.
………………………………………….. 51% Done.
………………………………………….. 56% Done.
Copy files successful.
……….
Link binaries in progress.
Link binaries successful.
………………………………………….. 77% Done.
Setup files in progress.
………………………………………….. 94% Done.
Setup files successful.
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How to Share Named Credentials Using a Role in OEM

In your environment, there are hundreds or even thousands of targets managed by OEM, and a doze or even hundreds of OEM administrators and users. In this case, effectively and securely managing Named Credentials ( NC ) is a challenging job. Usually, every OEM administrator or user creates and manages their own Named Credentials ( NC ). So many duplicate copies of Named Credentials ( NC ) are kept, it brings difficulties for updating them if any targets credentials changed.

This post demonstrates how to share a Named Credentials ( NC ) with many administrators and users in any size of OEM environment by using a role. Same as an Oracle database role, which can be granted to a role or a user.

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Data Guard Standby Automatic Password file Synchronization

It makes DBA life easy by using new feature of Data Guard Standby Automatic Password file Synchronization

For 12cR1 and earlier versions, when setup DataGuard( DG), if there is a change in password file of Primary database , then the password file needs to be copied from Primary database to standby database server. Otherwise the DG will get errors.

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How to Rename CDB PDB and Change DBID in Oracle Multitenant Architecture

Sometimes DBAs have to change CDB/PDB names to meet the organization’s naming standards, and change the DBID of a cloned database to make sure database registered in RMAN recovery catalog.

This post illustrates how to rename CDB/PDB, change DBID, and move and rename datafiles/tempfiles/controlfiles of CDB/PDB.

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How to Relocate ASM ControlFiles

After database name has been changed, the controlfiles are still staying in the directory of old database, so we need relocate them into directory of new database name.

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