Installing Oracle Grid Infrastructure for a Standalone Server for an Existing Database

Follow the high-level instructions in this section to install Oracle Grid Infrastructure for a standalone server and configure it for an existing Oracle Database.

Oracle Restart 18c can only manage resources from the same release. For this reason, you can install Oracle Grid Infrastructure for a standalone server to provide services only for Oracle Database 18c. However, previous release Oracle Databases can coexist on the same server without being managed by Oracle Restart.

To install Oracle Grid Infrastructure for a standalone server for a database that is already installed:

On the same host computer as the database, install Oracle Grid Infrastructure for a standalone server, and select Configure Oracle Grid Infrastructure for a Standalone Server (Oracle Restart) as the installation option. See, “Installing Oracle Grid Infrastructure for a Standalone Server with a New Database Installation” in Oracle Database Installation Guide.

The Oracle Grid Infrastructure for a standalone server components are installed in an Oracle Grid Infrastructure Oracle home (Grid home), which is in a different location from existing Oracle Database homes.
If you have an existing Oracle Database, then register it for High Availability with Oracle Restart using the srvctl command:
```
$ cd $ORACLE_HOME/bin
$ srvctl add database -db dbname -o oracle_home_path -dbtype SINGLE
```

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