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Replying to:
Alistar
Expert
Expert

Hi,

it can be done by checking esxtop while it is running if you follow this article: Sizing VMs and NUMA nodes - frankdenneman.nl. If the processors are Intel Xeons, there is always 1 NUMA node / socket. Also the VMkernel writes the NUMA mapping out to vmkernel.log during boot-time.

Edit: This is from vmkernel.log at the boot-time

TSC: 949659 cpu0:0)ACPI: 366: 2 nodes found in SRAT table

TSC: 952962 cpu0:0)NUMA: 370: 2 real nodes found

Also you can find the NUMA node layout in the Advanced VM properties. See my blog post http://vmxp.wordpress.com/2014/10/29/stress-testing-an-esxi-host-with-windows-server-vms/ - it's the first image there Smiley Happy

Stop by my blog if you'd like :slightly_smiling_face: I dabble in vSphere troubleshooting, PowerCLI scripting and NetApp storage - and I share my journeys at http://vmxp.wordpress.com/