Overview of Oracle RAC Registry Parameters

Oracle RAC registry values are based on the clusterware.

If you are not using the clusterware, then some of this information may not be applicable to your particular cluster environment.

Note:

Oracle RAC is only supported on 64-bit Windows server operating systems.

About HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\OCR

This subkey contains the following values:

  • OCRROOT points to the location of the Oracle Cluster Registry file

  • LOCAL_ONLY which is set to False for a cluster installation and True for a single-instance database installation