Step 5: The Manual Override Method (For Strict Maintenance Windows)
In the high-stakes world of Oracle Database administration, patching is a necessary yet often dreaded task. The complexity increases exponentially when dealing with Oracle Grid Infrastructure (GI) and Real Application Clusters (RAC). Oracle provides the opatchauto utility to streamline this process, but within its syntax lies a specific, powerful, and potentially disruptive command: .
Once the analyzer confirms readiness, execute the core patching binary payload natively via the command-line terminal: opatchauto72030 execute in nonrolling mode exclusive
To prevent encountering CLSRSC-400 and OPatchAuto 72030 errors during future maintenance windows, incorporate these validation checks into your patching workflows:
$GRID_HOME/OPatch/opatchauto apply <path_to_patch_directory> -nonrolling Step 5: The Manual Override Method (For Strict
– notice I changed execute to apply . Why? In modern Oracle versions (12.2+), the execute command is often deprecated or merged into apply . The apply command with nonrolling exclusive will run the scripts automatically. However, if the patch documentation explicitly says opatchauto execute , then use it exactly as documented.
In some scenarios, even if the storage layer is non-shared, opatchauto may throw an execution mode error due to a breakdown in automated inventory discovery. If node verification tools like cluvfy comp nodecon fail to query remote node topologies or if SSH connectivity details are broken (often linked to Oracle Bug 29529394 / INS-06005), the utility falls back to an "exclusive/non-rolling" assumption for safety. The Architecture of Non-Rolling Patching Once the analyzer confirms readiness, execute the core
Sometimes the opatch metadata gets corrupted. Clear the contents of the ~/.opatchauto storage or the system /tmp if it’s nearing capacity. Ensure the root user has full read/write access to the patch stage area. The Recommended Fix
Rolling mode requires shutting down one node, patching it, and bringing it back up while other nodes stay live. In a shared home, you cannot "patch" only one node's binaries because all nodes share the same physical files.
Look for specific errors like CRS-1158: Clusterware cannot be started as exclusive or ACFS-9459: Failed to unload drivers .