SQL Server with Mr. Denny » Grant Fritchey http://itknowledgeexchange.techtarget.com/sql-server Fri, 24 May 2013 17:04:09 +0000 en-US hourly 1 CPU Affinity Mask and virtualizating SQL Servers http://itknowledgeexchange.techtarget.com/sql-server/cpu-affinity-mask-and-virtualizating-sql-servers/ http://itknowledgeexchange.techtarget.com/sql-server/cpu-affinity-mask-and-virtualizating-sql-servers/#comments Thu, 12 Apr 2012 14:00:51 +0000 Denny Cherry http://itknowledgeexchange.techtarget.com/sql-server/cpu-affinity-mask-and-virtualizating-sql-servers/ If you have physical SQL Servers that you plan on moving into a virtual environment you’ll want to double check your affinity mask settings before actually moving the machine from a physical server to a VM when using P2V software.  The reason for this is that if the affinity mask is set for specific CPUs and the number of CPU cores changes the affinity mask won’t be correct and you won’t be able to get into the advanced settings of sp_configure without getting an invalid settings error like that shown below.

Msg 5832, Level 16, State 1, Line 1
The affinity mask specified does not match the CPU mask on this system.

If you haven’t P2V’ed the system before you do simply change the various affinity masks to 0 which sets them for all processors.  If you have P2V’ed the system your best option is to log into the SQL Server using the dedicated admin connection and manually change the value in the system table by using the following query.

update sys.configurations
set value=0
Where Name = 'affinity mask'

Hopefully you never run across this problem, but if you do there’s the solution for you.

UPDATE: Paul Randal reminded me that CPU Affinity has been deprecated as of SQL Server 2008 R2 so you’ll probably not want to be configuring the CPU Affinity anyway.

Denny

]]> http://itknowledgeexchange.techtarget.com/sql-server/cpu-affinity-mask-and-virtualizating-sql-servers/feed/ 1 SQL Saturday 120 Storage and Virtualization Pre-Con http://itknowledgeexchange.techtarget.com/sql-server/sql-saturday-120-storage-and-virtualization-pre-con/ http://itknowledgeexchange.techtarget.com/sql-server/sql-saturday-120-storage-and-virtualization-pre-con/#comments Mon, 12 Mar 2012 18:16:08 +0000 Denny Cherry http://itknowledgeexchange.techtarget.com/sql-server/sql-saturday-120-storage-and-virtualization-pre-con/ Interested in my SQL Bits pre-con, but you just can’t make it out to London for SQL Bits?  Have I got a deal for you.  It has just been announced that I will be giving my Storage and Virtualization pre-con at SQL Saturday 120 on March 23rd, 2012.

SQL Saturday is bringing you this pre-con for just $99.  All this is available without leaving the good old USA.  Sign up now at http://sqlsat120precon.eventbrite.com to reserve your seat and I’ll see you there.

If you can’t make it to the pre-con don’t forget to register for the full day of training at SQL Saturday 120.  We’ve got some great local speakers as well as a ton of speakers from around the US who are flying in just to see your smiling face in their sessions.  So don’t stand them up.  Some of the out of town speakers include Kendra Little, Jeremiah Peschka, Randy Knight, Grant Fritchey, Aaron Nelson and Audry Hammonds.

Denny

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