Oracle 11g R2 (11.2.0.3.0) RAC Environment Build (vi) __oracle

1.6 Oracle Installation Prerequisites

The following actions are logged on to the RacNode1 node with root. If you do not use DNS, you must configure the/etc/hosts file as follows

Note: Even if the scan address is defined in the/etc/hosts file, you still need to define DNS to cycle between 3 addresses in the same subnet as the public IP address. DNS server configuration refer to the DNS configuration of Oracle RAC Database 11gRelease 2 Scan

Edit/etc/sysctl.conf File

Add the following line to the/etc/security/limits.conf file

Add the following configuration to the/etc/pam.d/login file.

Either configure NTP or make sure NTP is not configured so that the Oracle cluster time synchronization service can synchronize the time of the RAC node, where we cancel the NTP configuration. If the NTPD service is installed at all, then do not have to do the following operation.

Create a new group and user

Create Oracle Software Installation directory

Use Oracle Login to add the following configuration in the. Bash_profile (is the Oracle user's home directory) file

Creating/home/oracle/grid_env Files

Creating/home/oracle/db_env Files

Restart OracleNode1 to test the configuration of the environment variables.

Mount Oracle112030gridinfrastructure.iso to the RacNode1 node in the virtual CD-ROM to install the CD-ROM in/stage/cvu/cv/remenv cvuqdisk*.rpm