Understand the downgrade options for Oracle Grid Infrastructure in this release.
Downgrade options from Oracle Grid Infrastructure 12c to earlier releases include the following:
Oracle Grid Infrastructure downgrade to Oracle Grid Infrastructure 12c Release 1 (12.1).
Oracle Grid Infrastructure downgrade to Oracle Grid Infrastructure 11g Release 2 (11.2). Because all cluster configurations in Oracle Grid Infrastructure 12c Release 2 (12.2) are Oracle Flex Clusters, when you downgrade to Oracle Grid Infrastructure 11g Release 2 (11.2), you downgrade from an Oracle Flex cluster configuration to a Standard cluster configuration.
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