10g RAC Manageability Enhancements

Oracle 10g offers a more mature framework for managing a RAC environment. With the introduction of the new Oracle Cluster Registry to the enhanced RAC support for commonly used database utilities, 10g RAC now supports clusters of up to 64 nodes on all certified platforms.

Oracle Cluster Registry

Starting with Oracle 10g, the Oracle 8i and 9i Server Manageability Repository (SRVM) has been redesigned and is referred to as the Oracle Cluster Registry (OCR). The OCR, like its predecessor, is used to maintain the necessary information about the high-availability components in your RAC environment, such as databases, instances, and node information. With the introduction of CRS, the OCR also maintains the information ...

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