Installing Oracle 12 c RAC binaries into pre-existing Oracle homes is not recommended, although it’s possible to do so.īefore you perform the Oracle 12 c Release 1 RAC installation, make sure you have an operational Oracle Grid Infrastructure stack with the same or higher version. If you’re planning to upgrade your databases that are running on previous releases, you’d be installing Oracle 12 c RAC binaries into a different Oracle home. This facilitates out-of-place database upgrades and also avoids you having to install Oracle base release binaries and then upgrade to the latest patch set. If you’ve previously worked with Oracle 11 g Release 2, you might have noticed that Oracle has started delivering patch sets in the form of full-blown software instead of mere updates. Internally, the Oracle Universal Installer (OUI) installs the binaries on a single node, and it uses the underlying file-transfer mechanisms to propagate the files to other nodes, relinking them with the respective operating system binaries. Installing the Oracle RAC software is quite similar to performing a single-instance Oracle Database software installation. As we’ve already completed most of the required groundwork for the database installation as part of the preparation for the installation of Oracle Grid Infrastructure in the previous blog, our work is simple in this article.
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