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 SQL Server Administration (2012)
 NUMA node shown as offline without affinity set
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influent
Constraint Violating Yak Guru

USA
367 Posts

Posted - 07/17/2014 :  15:27:28  Show Profile  Reply with Quote
My main production server has four NUMA nodes with two SQL Server 2012 instances on it. One of the instances has the CPU affinity set to use only one NUMA node, and sys.dm_os_nodes reflects that correctly. The other instance has no affinity settings, so it should show all 4 NUMA nodes as online, I would think, but it shows Node 3 as offline, which happens to be the node that's online for the other instance. Is there a bug in SQL Server 11.0.3128 (Enterprise)?

influent
Constraint Violating Yak Guru

USA
367 Posts

Posted - 07/25/2014 :  17:03:15  Show Profile  Reply with Quote
Found the answer: http://blogs.msdn.com/b/sql_shep/archive/2012/06/21/sql-server-2012-license-core-limitaion.aspx

My consultants installed the wrong version (CAL instead of core), so it's limited to 20 cores.
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