SQL Failover cluster - Best practice on connecting from an application

• Warren Peace

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  May 12, 2022 at 11:41 pm

  #4032110

  We have a SQL 2019 Failover Cluster Instance - Default Instance. Question seems lame but...

  My question is, what is the "Best Practice" on connecting? Directly to the SQL Cluster name? Or some want us to create a DNS Alias to that SQL Cluster Name, is that best practice or even a "supported" way??

  I think "Best Practice" is to connect to the SQL Cluster Name, but I can't find any links on the matter.

  Does anyone know or have links?

  Thanks

• Johan Bijnens

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  May 13, 2022 at 12:14 pm

  #4032370

  We mostly use DNS aliasses to have applications connect to our clustered instances.

  ( more meaningful naming conventions as with our server names )

  Doing so, we can migrate the sqlcluster without having to modify the application. ( only modify the dns alias )

  ( of course after intensive testing on an isolated environment )

  Johan
  
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• Michael L John

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  May 16, 2022 at 2:18 pm

  #4033733

  Warren Peace wrote:

  We have a SQL 2019 Failover Cluster Instance - Default Instance. Question seems lame but...

  My question is, what is the "Best Practice" on connecting? Directly to the SQL Cluster name? Or some want us to create a DNS Alias to that SQL Cluster Name, is that best practice or even a "supported" way??

  I think "Best Practice" is to connect to the SQL Cluster Name, but I can't find any links on the matter.

  Does anyone know or have links?

  Thanks

  Are you using an Availability Group, or Windows clustering?

   

  Michael L John
  If you assassinate a DBA, would you pull a trigger?
  To properly post on a forum:
  http://www.sqlservercentral.com/articles/61537/

• Warren Peace

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  May 16, 2022 at 11:48 pm

  #4033995

  Windows Server Failover Cluster and SQL Failover Cluster Instance.