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Can RAC 10g and 9i RAC be installed and run on the same physical Linux cluster?

April 26, 2017cluster installed linux physical RAC run

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Can RAC 10g and 9i RAC be installed and run on the same physical Linux cluster?

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Yes – However Oracle Clusterware (CRS) will not support a 9i RAC database so you will have to leave the current configuration in place. You can install Oracle Clusterware and RAC 10g into the same cluster. On Windows and Linux, you must run the 9i Cluster Manager for the 9i Database and the Oracle Clusterware for the 10g Database. When you install Oracle Clusterware, your 9i srvconfig file will be converted to the OCR. Both 9i RAC and 10g will use the OCR. Do not restart the 9i gsd after you have installed Oracle Clusterware. Remember to check certify for details of what vendor clusterware can be run with Oracle Clusterware.