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  • Dayi Qiao thinks this is interesting:

As the root user, update the kernel parameters in the /etc/sysctl.conf file on both nodes. If these settings are already configured, make sure they are at least set to the following values (it is OK if the values are set higher):

From

Cover of Oracle Database 11g Oracle Real Application Clusters Handbook, Second Edition

Note

currently on kernel parameter setting for rac