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SQL Cluster

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afifimk
Starting Member

22 Posts

Posted - 2011-02-25 : 10:01:10

We have a new SQL 2008 Active-Passive cluster. What is process to migrate to Active-Active? Does OS need to be changed to Active-Active as well as SQL clustering? The O/S is Windows Enterprise R2.

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2011-02-25 : 12:45:13

A cluster is considered active/active in regards to SQL Server if you have two instances of SQL Server installed and one instance is running on each node. A cluster is considered active/passive in regards to SQL Server if all of the instances are running on one node.

So it's not a configuration setting, it has to do with what's running on each node.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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