Database Reference
In-Depth Information
Figure
1-5
shows an example of such a shared resources Grid Infrastructure based on a 16-node Oracle 11gR2
RAC that consolidates more than 100 Oracle E-Business suite databases running on various versions of Oracle
Database from 10gR2 to 11gR2.
Figure 1-5.
The shared infrastructure for database consolidation
•
Each database may run on one to three RAC nodes with the capability to expand to more nodes.
•
Each database instance can be failed over or relocate to other nodes.
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Each RAC node may run multiple RAC database instances from different databases using
different versions of Oracle RAC Database binaries.
Multiple versions (10g2-11gR2) of Oracle RAC Database are based on a single Oracle 11gR2
•
Grid Infrastructure.
It is required to ping CRS on each of 16 nodes for pre-11gR2 databases
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MOS note ID 1439551.1 “Oracle (RAC) Database Consolidation Guidelines for Environments Using Mixed
Database Versions” discusses some principles and guidelines for how to consolidate multiple versions of Oracle
Database on the same Oracle RAC and Oracle Grid Infrastructure 11g release 2 or higher. The discussions include
considerations for including pre-11g Release 2 databases and how to set up the number of the LMS processes and
