OPatch Command Usage for Oracle Patch Management

A collection of essential OPatch commands for managing Oracle patches, including listing inventory, applying/rolling back patches, checking conflicts, and handling multiple inventory locations. This guide ensures efficient patch management for Oracle environments.

Serial No.	Action	Command and Description
1	List inventory details of patch	`$ORACLE_HOME/OPatch/opatch lsinventory` List all patch inventory details applied to the Oracle home.
2	List patchsets applied	`$ORACLE_HOME/OPatch/opatch lspatches` List all patches currently applied to the Oracle home.
3	Find OPatch version	`$ORACLE_HOME/OPatch/opatch version` Find the version of OPatch installed in the Oracle home.
4	Find details of a particular patch	`$ORACLE_HOME/OPatch/opatch query -all {PATCH_PATH}` Query a specific patch’s details before applying.
		`$ORACLE_HOME/OPatch/opatch query -all /software/PSUPATCH/30089984` Example to find details for a specific patch.
5	Apply a patch to RDBMS home	`cd /SOFTWARE/PSUPATCH/30089984` `$ORACLE_HOME/OPatch/opatch apply` Apply a patch to the RDBMS home.
6	Rollback a patch from RDBMS home	`$ORACLE_HOME/OPatch/opatch rollback -id [patch_id]` Rollback a specific patch from the RDBMS home.
		`$ORACLE_HOME/OPatch/opatch rollback -id 30089984` Example rollback of a patch.
7	Apply one-off patch in Grid Home	`root# $GI_HOME/crs/install/rootcrs.sh -prepatch` Apply one-off patch in the Grid Home.
		`oracle$ cd /SOFTWARE/PSUPATCH/30089984` `$GRID_HOME/OPatch/opatch apply` Apply the patch in Grid Home.
		`root# $GI_HOME/crs/install/rootcrs.sh -postpatch` Run the post-patch script.
8	Check conflict against ORACLE_HOME	`cd 27734982` `[27734982]$ $ORACLE_HOME/OPatch/opatch prereq CheckConflictAgainstOHWithDetail -ph ./` Check for any conflicts with the Oracle Home.
9	Check whether active executables are running	`cd 27734982` `[27734982]$ $ORACLE_HOME/OPatch/opatch prereq CheckActiveFilesAndExecutables -ph ./` Check if any active executables are running.
10	Opatch command using different inventory location	`$ORACLE_HOME/OPatch/opatch lsinventory -invPtrLoc /etc/orainv/orainventory` List inventory details using a custom inventory location.