Runinstaller - clone

If you are performing multiple Oracle Database installations, then you may want to use this method to create each Oracle home, because copying files from an existing Oracle Database installation takes less time than creating a new version of them. This method is also useful if the Oracle home that you are cloning has had patches applied to it. When you clone this Oracle home, the new Oracle home will have the patch updates as well.

If you have installed patches, then you can check their status by running the following commands:. Stop all processes related to the Oracle home.

The cloning process uses the OUI cloning functionality. This operation is driven by a set of scripts and add-ons that are included in the respective Oracle software. The cloning process has two phases:. To prepare the source Oracle home for cloning, archive and compress the source Oracle home using your preferred archiving tool.

On the destination system, you unarchive the Oracle home and run the following OUI clone command from the destination home:. The cloning script runs multiple tools, each of which may generate its own log files. However, the following log files that OUI and the cloning scripts generate are the key log files of interest for diagnostic purposes:.

About Cloning Cloning is the process of copying an existing Oracle installation to a different location and updating the copied bits to work in the new environment.

Some situations in which cloning is useful are: Creating an installation that is a copy of a production, test, or development installation.

Rapidly deploying an instance and the applications that it hosts. Preparing an Oracle home and deploying it to many hosts. The cloning process has two phases: Source Preparation Phase Cloning Phase Source Preparation Phase To prepare the source Oracle home for cloning, archive and compress the source Oracle home using your preferred archiving tool.

During this process, ensure the following: The tool that you use should preserve the permissions and file time stamps. So before you run cloning commands makes sure to detach the Oracle home. No pre-requisite checks found in oraparam. Note: — If it is the first Oracle home on the destination server then cloning will create the Inventory with the new Oracle home. Now product-specific root actions will be performed. Finished product-specific root actions.

Please note that Oracle Corporation recommends using the most restrictive file permissions as possible for your given implementation. Running this script should be done only after considering all security ramifications. Finished running the script successfully. This article helps Oracle community to understand when cloning is useful, available methods and how to clone an Oracle installation.

Fortnightly newsletters help sharpen your skills and keep you ahead, with articles, ebooks and opinion to keep you informed. View all articles by Satishbabu Gunukula. When is cloning useful? If you need to create a new installation with many patches, then cloning enables you to create a new installation with all patches applied to it in one step and eliminate manual installation.