Preinstallation Tasks
Installing the Oracle Grid Infrastructure starts with some hardware preparation steps, such as configuring network names and addresses, updating relevant configuration files, and setting up specific operating system users, groups, and privileges. Installation of the Oracle Grid Infrastructure will be smooth sailing when the required prerequisites are configured correctly.
Configuring the Network
The preinstallation tasks start with configuring the network. Multicast communication must be enabled for the private network. This is a new requirement in Oracle Grid Infrastructure 11g Release 2 (11.2.0.2) to provide redundancy for the cluster interconnect (private network interfaces) without using any OS-specific teaming or bonding ...
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