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Originally Posted by harishreddy
i am plan for configuring 11g r2 rac in centos 6.2.
First of all CentOS 6 is at (at least) Update 6 so you best get with it and update first.
Secondly it's not "11g r2 rac" but Oracle
11g r2 RAC so always strive to be exact and complete.
Third, since you're "planning", what research have you actually done yourself? Did you check Oracle RAC documentation? RHEL RAC