11 Removing Oracle Database Software
Use the deinstall
command that is included
in Oracle homes to remove Oracle software. Oracle does not support the removal of individual
products or components.
Caution:
If you have a single-instance database on a node in a cluster, and if you have
multiple databases with the same global database name (GDN), then you cannot use the
deinstall
command to remove one database
only.
- About Oracle Deinstallation Options
You can stop and remove Oracle Database software and components in an Oracle Database home with thedeinstall
command. - Oracle Deinstallation (Deinstall)
You can run thedeinstall
command from an Oracle home directory after installation. - Deinstallation Examples for Oracle Database
Use these examples to help you understand how to run thedeinstall
command. - Deinstallation Response File Example for Oracle Grid Infrastructure for a Cluster
You can run thedeinstall
command with the-paramfile
option to use the values you specify in the response file. - Deinstallation Example for Grid Infrastructure Management Repository
Use this example to understand how to deinstall Grid Infrastructure Management Repository (GIMR) on an Oracle Standalone Cluster. - Migrating Standalone Oracle Grid Infrastructure Servers to a Cluster
If you have an Oracle Database installation using Oracle Restart (that is, an Oracle Grid Infrastructure installation for a standalone server), and you want to configure that server as a cluster member node, then complete the following tasks: - Relinking Oracle Grid Infrastructure for a Cluster Binaries
After installing Oracle Grid Infrastructure for a cluster (Oracle Clusterware and Oracle ASM configured for a cluster), if you need to modify the binaries, then use the following procedure, whereGrid_home
is the Oracle Grid Infrastructure for a cluster home: - Changing the Oracle Grid Infrastructure Home Path
After installing Oracle Grid Infrastructure for a cluster (Oracle Clusterware and Oracle ASM configured for a cluster), if you need to change the Grid home path, then use the following example as a guide to detach the old Grid home, and to attach a new Grid home: - Unconfiguring Oracle Clusterware Without Removing Binaries
Running therootcrs.sh
command flags-deconfig -force
enables you to unconfigure Oracle Clusterware on one or more nodes without removing installed binaries.