Database - RAC/Scalability (MOSC)

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Use of TNSNAMES Alias for SCAN Listeners for remote_listener

edited Aug 21, 2012 3:32AM in Database - RAC/Scalability (MOSC) 1 commentAnswered

Hi,
 Unlike in former database versions, it is not recommended to set your REMOTE_LISTENER parameter to a server side TNSNAMES alias that resolves the host to the SCAN (HOST=sales1-scan for example) in the address list entry, but use the simplified “SCAN:port” syntax.


But according to Note 1340831.1, if I want to force the Instance registration over TCPS, I must set the remote_listener to an address_list which containing the resolved scan listener IP addresses and TCPS ports.

Can I use a tns alias here instead of an address_list  ?

If yes what will be TNS alias?

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