I have requirement to migrate 8 single instance to 2-node RAC.we are planning to use scan name in all client side tnsnames.ora file.
lets say for 8 db we have scan name like db1-scan,db2-scan ,... db8-scan then how many scan IP's required to configured in DNS? do each scan name require 3(std proactice) IP's?i.e 24 IPs?