You can install Oracle Database software binaries on an Oracle ASM Cluster File System (Oracle ACFS) volume to enable the Oracle Database Standard Edition High Availability feature.

1. As the Administrator user, register Oracle ACFS as an Oracle Clusterware resource specifying the Oracle Database software owner user (oracle) as the mount owner.

   C:\>Grid_home\bin\srvctl add filesystem -volume acfs_volume_name -diskgroup diskgroup_name -path mount_point -fstype ACFS -autostart ALWAYS -user oracle

   Note:

   Mount Oracle ACFS to a mount point where you plan to create Oracle base and Oracle home directories for this installation. For example, C:\app\oracle.
2. Mount the Oracle ACFS file system on all of the cluster nodes on which you want to configure Standard Edition High Availability.

   C:\>Grid_home\bin\srvctl start filesystem -volume acfs_volume_name -diskgroup diskgroup_name

3. Create the Oracle base directory in an Oracle ACFS volume on the first cluster node on which you want to configure Standard Edition High Availability. Follow the Oracle Optimal Flexible Architecture (OFA) recommendations and specify the correct owner, group, and permissions for this directory.

   C:\>md C:\app\oracle
   C:\>icacls oracle:oinstall C:\app\oracle

4. Log in to the first cluster node as the oracle user.
5. Download the Oracle Database 19c release 19.3 installation image file (db_home.zip) from Oracle Software Delivery Cloud website to a directory of your choice.

   https://edelivery.oracle.com/

6. Download the Oracle Database Release Update 19.7 or later patch from My Oracle Support to a directory of your choice and unzip it.

   https://support.oracle.com/

7. Create an OFA-compliant Oracle home directory in an Oracle ACFS volume and extract the image files that you have downloaded in to this Oracle home directory. For example:

   C:\>md C:\app\oracle\product\19.0.0\dbhome_1
   C:\>cd C:\app\oracle\product\19.0.0\dbhome_1
   C:\app\oracle\product\19.0.0\dbhome_1> unzip \tmp\db_home.zip

8. From the Oracle home directory, run the setup.exe command to start the Oracle Database Setup Wizard.

   C:\app\oracle\product\19.0.0\dbhome_1>setup.exe

   Note:

   Run the setup.exe command from the Oracle home directory only. Do not use the setup.exe command that resides at %ORACLE_HOME%\oui\bin\, or any other location, to install Oracle Database.
9. In the Select Configuration Option screen, select Set Up Software Only.
10. In the Select Database Installation Option screen, select Single instance database installation.
11. In the Select Database Edition screen, select Standard Edition 2.
12. Respond to the configuration prompts as needed.

    Note:

    Click Help if you have any questions about the information you are asked to submit during installation.
13. Apply the Oracle Database Release Update (RU) 19.7 or later patch. Review the patch documentation for instructions on how to apply the patch.

    Note:

    Ensure that you apply the Oracle Clusterware (OCW) RU of the same version to the Oracle Database home.

14. Optional: As the oracle user, enable read-only Oracle home on the first cluster node.

    cd C:\app\vldb22\product\19.0.0\dbhome_1\bin
    C:\app\vldb22\product\19.0.0\dbhome_1\bin>roohctl.bat -enable

    Note:

    Do not use the -disable flag with the roohctl command, as it is not supported.
15. Attach the Oracle home on the first node to the other cluster nodes on which you want to configure Standard Edition High Availability.

    C:\>%ORACLE_HOME%\addnode\addnode.bat -silent CLUSTER_NEW_NODES=comma_separated_list_of_other_nodes

16. If you specify a non built-in and a non Administrator's user account while installing Oracle Database, then add the respective user's password to the CRS wallet using the following command:

    crsctl add wallet -type OSUSER -user DB service user name -password